16 min read

Top 4 Plumbers in Detroit, MI

Quick Comparison

Firm Founded / Tenure & Credentials Services & Specialties Geographic Focus
Nelson Bros. Plumbing & Sewer Inc. Continuous family operation since 1925 (100 years), founded by Danish immigrants Anton and Nels Nelson; four generations of Nelson family ownership; 1950s second-generation succession to Elmer and Edwin Nelson (Anton's sons); permanent Royal Oak headquarters established 1958; expanded into plumbing repairs in early 1960s Plumbing repairs and installations, sewer and drain cleaning with advanced technology, water heater installation, repair, and maintenance, sump pump services, fixture installation and repair, commercial plumbing solutions, backflow testing, camera inspection diagnostics; 24/7 emergency service Royal Oak HQ (1115 East 11 Mile Road, Royal Oak, MI 48067); Southern Oakland County primary plus Macomb County secondary; 39+ named service areas covering Berkley, Beverly Hills, Birmingham, Bloomfield Hills, Centerline, Clawson, Ferndale, Franklin, Hazel Park, Madison Heights, Oak Park, Pleasant Ridge, Roseville, Royal Oak, Southfield, Troy, Warren, plus Detroit, Dearborn, Farmington Hills, Pontiac, Rochester Hills, St. Clair Shores, Sterling Heights, West Bloomfield
FLAME Heating, Cooling, Plumbing & Electrical Continuous family operation since 1949 (76 years), founded by Robert Marowske; second-generation succession with son Gary Marowske taking over the business in 2001; expanded into plumbing services in 2011; over 135 employees and 95 vehicles; three Michigan licenses (#7113436, #6115106, #8004937); five-time winner of the Bryant Medal of Excellence; named Contracting Business Magazine National Contractor of the Year; NATE-certified HVAC technicians plus Master and Journeyman electricians plus Master and Journeyman plumbers HVAC (heating, cooling, maintenance), plumbing (repair, water heaters, drain cleaning, gas lines), electrical (repair, installation, generators, EV chargers), indoor air quality, commercial services across all categories Warren HQ (2200 East 11 Mile Road, Warren, MI 48091); Metro Detroit region including Macomb, Oakland, St. Clair, Wayne, and Washtenaw counties; Detroit, Dearborn, Livonia, Canton, Farmington Hills, Rochester, Warren, Ann Arbor, Ypsilanti
Cregger Plumbing, Heating, Cooling & Electrical Continuous family operation since 1987 (38 years), three-generation locally-operated company; Derek as Owner; over 12,000 customer reviews; seven-credential stack covering Plumbing Contractor #8001242, Master Plumber #81-10282 plus #81-08949, Boiler Installer #315133, Backflow #34659, Mechanical #71-11138, ASSE Backflow Certification #36136, Universal Refrigerant #1002168394350 Plumbing, sewer and drain cleaning, heating, cooling, electrical, backflow testing Ferndale main HQ (2335 Goodrich Street, Ferndale, MI 48220); Farmington office (32300 Grand River Avenue, Suite A, Farmington, MI 48336); Wayne, Oakland, and Macomb Counties; Southeast Michigan tri-county coverage area
Michigan Supreme Plumbing & Drain Cleaning Continuous family operation since 1995 (30 years), with master plumber Mike Sheldon working at the firm since January 1995; family-owned and operated; Michigan State Master Plumber certified; A+ Better Business Bureau rating; Angie's List Super Service Award winner across seven consecutive years (2011-2017); 25+ years of combined plumbing experience Plumbing services, sewer and drain cleaning, fixture installation, leak detection, water heater work, residential and commercial plumbing Roseville HQ (17130 East 12 Mile Road, Roseville, MI 48066); Macomb County including Mount Clemens, New Baltimore, New Haven, Richmond, Romeo, Roseville, Saint Clair Shores, Armada, Center Line, Clinton Township, Eastpointe, Fraser, Memphis, Macomb Township, Shelby Township

1. Nelson Bros. Plumbing & Sewer Inc.

  • Address: 1115 East 11 Mile Road, Royal Oak, MI 48067. headquarters since 1958
  • Phone: (248) 541-0819
  • Email: [email protected]
  • Hours: Available for service 24/7
  • Founders: Anton Nelson and Nels Nelson. Danish immigrants, 1925; originally settled in Iowa installing irrigation lines for the farming industry before moving to Detroit; began installing sewer lines as independent contractors in their spare time before fully committing to the business in 1925
  • Second Generation Succession: 1950s, ownership transferred to Elmer Nelson and Edwin Nelson (Anton’s sons)
  • Operating Since: 1925. 100 years of continuous family operation across four generations of the Nelson family
  • Operating Status: Family-owned and operated
  • Service area: Southern Oakland County primary plus Macomb County secondary, covering 39+ named submarkets
  • Website: nelsonbrothersplumbing.com

Danish-Immigrant Founding Roots From the 1925 Detroit Origin

Nelson Bros. Plumbing & Sewer has operated continuously since 1925, when Danish immigrant brothers Anton and Nels Nelson founded the firm in Detroit. The Nelson brothers initially settled in Iowa where they installed irrigation lines for the farming industry before relocating to Detroit for factory employment. Unsatisfied with factory work, the brothers began installing sewer lines as independent contractors in their spare time before fully committing to the business in 1925. The 100-year operating territory covers the full Detroit metropolitan area building stock evolution from the 1920s pre-Depression-era residential expansion through the 1930s-1940s wartime industrial-housing surge, the postwar suburban tract expansion across Royal Oak, Berkley, Ferndale, Hazel Park, and Pleasant Ridge (1940s-1960s), the 1970s-1980s urban-renewal era, the 1990s-2000s Birmingham-and-Bloomfield-Hills-corridor luxury renovation cycle, and the contemporary Detroit-area residential service market that the post-2008 manufacturing-economy reset and 2014-onward Detroit-renaissance era have shaped.

Four-Generation Nelson Family Operating Succession

The Nelson family operating succession runs across four generations of continuous Detroit-area service. The first generation (founders Anton and Nels Nelson, 1925) established the firm. The second-generation transition occurred in the 1950s when ownership transferred to Elmer and Edwin Nelson (Anton’s sons), with the second-generation expansion adding sewer maintenance to the original sewer-installation scope plus expanding into plumbing repairs and installations in the early 1960s. The third and fourth generations continue the family operating succession across today’s period, with the firm describing itself as “Family owned and operated in its 4th generation.” The four-generation continuity matters operationally for Detroit-area work because century-old building stock spans the 1900s-1940s prewar residential corridors (the historic Boston-Edison District, Indian Village, Palmer Woods) plus the 1940s-1960s postwar tract expansion across the inner-suburb corridor, with each construction era’s plumbing-specification requirements transferring across owner generations rather than across hires.

Royal Oak Headquarters Since 1958 Plus Thirty-Nine-Plus Submarket Coverage

Nelson Bros. established its permanent headquarters at 1115 East 11 Mile Road in Royal Oak in 1958, with the headquarters position positioning the firm’s Southern Oakland County operating presence across 67 years (1958-2025). The Royal Oak headquarters places Nelson Bros. geographically inside the inner-suburban Detroit corridor. With daily-dispatch reach extending across 22 named primary service areas. Berkley, Beverly Hills, Bingham Farms, Birmingham, Bloomfield Hills, Bloomfield Township, Centerline, Clawson, Ferndale, Franklin, Hazel Park, Huntington Woods, Lathrup Village, Madison Heights, Oak Park, Pleasant Ridge, Roseville, Royal Oak, Royal Oak Township, Southfield, Troy, Warren, plus 17 named secondary service areas (Clinton Township, Dearborn, Detroit, East Pointe, Farmington, Farmington Hills, Fraser, Grosse Pointe Farms, Grosse Pointe Woods, Keego Harbor, Orchard Lake, Pontiac, Rochester Hills, St. Clair Shores, Sterling Heights, Sylvan Lake, West Bloomfield). The 39-named-submarket footprint distinguishes Nelson Bros. from neighborhood-supported Detroit-area plumbing competitors, with the breadth supporting both inner-suburban renovation work and the broader Oakland-Macomb-Wayne tri-county service market through one operating dispatch model.

Sewer-Origin Plus Plumbing-Expansion Operating Heritage

Nelson Bros.’ founding-era origin in sewer-line installation sets apart the firm from contemporary plumbing-only competitors, with the sewer-specialty heritage establishing the firm’s distinctive operating identity. The 1950s-era expansion into sewer maintenance plus the 1960s-era expansion into plumbing repairs and installations reflect the firm’s organic-growth trajectory from sewer-installation specialty into the comprehensive plumbing-and-sewer service profile that the contemporary day-to-day setup carries. The combined sewer-plus-plumbing-plus-water-heater-plus-sump-pump-plus-fixture-plus-commercial-plus-backflow-plus-camera-inspection service stack supports the diverse Detroit-area residential and commercial service-call profile across the 39-submarket service grid. The advanced-technology sewer-and-drain-cleaning capability addresses the older Detroit-area building stock with mature-tree root-intrusion failure modes that the early-twentieth-century clay sewer laterals routinely produce.

Royal Oak Heritage Email Address Plus Family Operating Continuity

Nelson Bros. publishes its primary email contact as [email protected], embedding the firm’s 1925 founding year directly into the contemporary operating contact identifier. The “nbsp1925” email handle places the firm’s century-tenure identity across the modern digital-communication infrastructure, distinguishing Nelson Bros. from typical contemporary email-handle conventions that competitors use. The Royal Oak headquarters since 1958 (67 years at the same address), the 1925 founding year embedded in the email handle, and the four-generation Nelson family operating succession across 100 years combined produce an operating-history-and-identity profile that few Detroit-area plumbing operations match.

2. FLAME Heating, Cooling, Plumbing & Electrical

  • Address: 2200 East 11 Mile Road, Warren, MI 48091
  • Phone: (888) 234-2340
  • Founder: Robert Marowske (1949)
  • Second Generation Succession: Robert’s son Gary Marowske took over the business in 2001
  • Plumbing Service Expansion Year: 2011. Plumbing added to the original HVAC service profile
  • Operating Since: 1949. 76 years of continuous family operation
  • Michigan Licenses: #7113436, #6115106, #8004937
  • Operating Scale: 135+ employees, 95 vehicles
  • Credentials: NATE-certified HVAC technicians; Master and Journeyman electricians; Master and Journeyman plumbers; five-time winner of the Bryant Medal of Excellence; Contracting Business Magazine National Contractor of the Year
  • Operating Hours: Same-day services
  • Service area: Metro Detroit including Macomb, Oakland, St. Clair, Wayne, and Washtenaw counties
  • Website: flamefurnace.com

Robert Marowske Founder Era 1949 With Father-to-Son 2001 Succession

FLAME Heating, Cooling, Plumbing & Electrical has operated continuously since 1949, when Robert Marowske founded the firm on a philosophy of “treating every customer with genuine respect, providing quick and reliable services, and offering expert workmanship.” The 76-year operating territory covers the post-World-War-II Detroit-area residential expansion through the 1950s-1970s automotive-industry-driven population surge, the 1980s-1990s urban-renewal era, the 2008-2014 Detroit-bankruptcy reset, and the contemporary Detroit-renaissance and Metro-Detroit-suburban service market. The second-generation succession occurred in 2001 when Robert’s son Gary Marowske took over the business, supporting continuous Marowske family ownership in the current expansion period. The 2011 expansion of service offerings to include plumbing extended the firm’s category breadth from the original HVAC-focused founding-era profile into the contemporary plumbing-plus-HVAC-plus-electrical working framework.

Three-Michigan-License Stack Plus Five-Time Bryant Medal of Excellence

FLAME operates under three Michigan licenses (#7113436, #6115106, #8004937), reflecting the firm’s category breadth across HVAC plus plumbing plus electrical work. The license-stack profile supports permit-pulling authority across all three trade categories. Beyond the underlying state-license stack, FLAME has earned the Bryant Medal of Excellence five separate times, grounding an notably deep manufacturer-recognition profile within the Bryant HVAC manufacturer authorization tier. The Contracting Business Magazine National Contractor of the Year recognition supplements the Bryant manufacturer-recognition with national trade-publication editorial recognition. The combined 76-year service span, three-license category breadth, five-time Bryant Medal recognition, and Contracting Business National Contractor of the Year profile produce a credential-and-recognition stack that few Detroit-area home services operations cover all four dimensions simultaneously.

Warren Headquarters Plus Five-County Metro Detroit Footprint

FLAME operates from 2200 East 11 Mile Road in Warren (ZIP 48091, just east of Royal Oak’s Nelson Bros. headquarters at 1115 East 11 Mile Road), with the headquarters position placing FLAME geographically along the same 11 Mile Road corridor that roots Nelson Bros.’ Royal Oak operating base. The Warren position supports daily-dispatch reach across the broader five-county Metro Detroit service area: Macomb County (Warren plus Sterling Heights plus Clinton Township plus Roseville plus St. Clair Shores plus the Macomb-Mount Clemens corridor), Oakland County (Royal Oak plus Birmingham plus Bloomfield Hills plus Troy plus Farmington Hills plus the broader Oakland County submarket), St. Clair County (Port Huron and the broader St. Clair County corridor north and east of Detroit), Wayne County (Detroit proper plus Dearborn plus Livonia plus Canton plus the broader Wayne County footprint), and Washtenaw County (Ann Arbor plus Ypsilanti plus the University of Michigan corridor). The five-county footprint distinguishes FLAME from neighborhood-rooted Detroit-area competitors, with the 135+ employee and 95-vehicle operating scale supporting the rapid-response capacity that the broader Metro Detroit service market requires.

3. Cregger Plumbing, Heating, Cooling & Electrical

  • Address (Ferndale main): 2335 Goodrich Street, Ferndale, MI 48220
  • Address (Farmington): 32300 Grand River Avenue, Suite A, Farmington, MI 48336
  • Phone: (248) 543-1190
  • Hours: Monday through Friday 8:00 AM to 5:00 PM; weekends 8:00 AM to 2:00 PM; 24/7 emergency
  • Owner: Derek. per cross-source verification
  • Operating Since: 1987. 38 years of continuous family operation; “Transparent pricing & trusted service since ’87”
  • Operating Status: Three-generation locally-operated company
  • Customer Volume: 12,000+ customer reviews
  • Plumbing Contractor License: #8001242
  • Master Plumber Licenses: #81-10282 and #81-08949
  • Additional License Stack: Boiler Installer #315133, Backflow #34659, Mechanical #71-11138, ASSE Backflow Certification #36136, Universal Refrigerant #1002168394350
  • Service area: Wayne, Oakland, and Macomb Counties. Southeast Michigan tri-county footprint
  • Website: creggerplumbing.com

Three-Generation Family Operation Since 1987 With Seven-Credential Stack

Cregger Plumbing, Heating, Cooling & Electrical has operated continuously since 1987, setting 38 years of Southeast Michigan service across three generations of family ownership. The published “Transparent pricing & trusted service since ’87” operating positioning positions the firm’s customer-trust philosophy across the recent period. Derek serves as Owner, supporting today’s third-generation operating leadership profile. The 12,000+ customer reviews across the firm’s history supports an particularly deep contemporary online customer-feedback profile. The 38-year operating territory covers the late-1980s Detroit-area suburban expansion through the 1990s-2000s Oakland-and-Macomb County tract development, the 2008-2014 Detroit-area economic reset, and the contemporary Southeast Michigan residential-and-commercial service market.

Seven-Credential Multi-License Stack Across Plumbing, Boiler, Backflow, Mechanical, and Refrigerant

Cregger holds an remarkably deep seven-credential license stack covering: Plumbing Contractor #8001242 (the firm-level plumbing contractor classification), Master Plumber #81-10282 and #81-08949 (two named master plumber individual-license-holder credentials), Boiler Installer #315133 (the boiler-specialty trade credential), Backflow #34659 (the backflow-prevention compliance credential), Mechanical #71-11138 (the mechanical-trades classification), ASSE Backflow Certification #36136 (the American Society of Sanitary Engineering backflow-specialty certification), and Universal Refrigerant #1002168394350 (the EPA-administered refrigerant-handling credential for HVAC work). The seven-credential stack reflects Cregger’s category breadth across plumbing plus boiler plus backflow plus mechanical plus refrigerant work, with the integrated multi-credential capacity supporting whole-home renovation projects through one operating team. The dual master plumber credentials (#81-10282 and #81-08949) reflect two named master plumber license holders within the firm, framing named-license-holder coverage beyond single-license-holder competitors.

Ferndale-Plus-Farmington Two-Office Tri-County Footprint

Cregger operates a two-office footprint with the Ferndale main HQ at 2335 Goodrich Street (ZIP 48220, the inner-suburb Detroit-adjacent corridor) and the Farmington office at 32300 Grand River Avenue Suite A (ZIP 48336, the western Oakland County corridor). The two-office arrangement supports daily-dispatch reach across Wayne, Oakland, and Macomb Counties (the Southeast Michigan tri-county working radius that grounds the bulk of Detroit-area residential and commercial plumbing service work). The Ferndale headquarters position places Cregger inside the dense inner-suburb corridor adjacent to Royal Oak, Berkley, and Pleasant Ridge, while the Farmington office covers the western Oakland County corridor extending into Livonia and the Wayne County western suburbs. The Mon-Fri 8AM-5PM plus weekend 8AM-2PM operating hours plus 24/7 emergency availability extends coverage beyond typical weekday-only Detroit-area plumbing service windows.

4. Michigan Supreme Plumbing & Drain Cleaning

  • Address: 17130 East 12 Mile Road, Roseville, MI 48066
  • Phone: (586) 943-4158
  • Email: [email protected]
  • Master Plumber: Mike Sheldon. working at the firm since January 1995
  • Operating Since: 1995. 30 years of continuous family operation; corporate incorporation October 22, 2010
  • Operating Status: Family-owned and operated
  • Credentials: Master Plumber certified by the State of Michigan; A+ Better Business Bureau rating; Angie’s List Super Service Award winner across seven consecutive years (2011, 2012, 2013, 2014, 2015, 2016, 2017); 25+ years of combined plumbing experience
  • Service area: Macomb County including 15+ named communities
  • Website: misupremeplumbing.com

Mike Sheldon Master Plumber Operation Since 1995

Michigan Supreme Plumbing & Drain Cleaning has operated under master plumber Mike Sheldon since January 1995, rooting 30 years of Macomb County and broader Detroit-area plumbing service. The 30-year operating territory covers the late-1990s Macomb County suburban expansion through the 2000s outer-suburban Macomb Township and Shelby Township growth, the 2008-2014 Detroit-area economic reset, and the contemporary Macomb County residential-and-commercial service market. The Roseville headquarters at 17130 East 12 Mile Road (ZIP 48066) places the firm geographically inside the Macomb County inner-suburb corridor, with the East 12 Mile Road position supporting daily-dispatch reach across the broader Macomb-and-northeast-Oakland-County service area. The corporate incorporation date of October 22, 2010 reflects the contemporary corporate-structure formation, while Mike Sheldon’s January 1995 firm-tenure-start date secures the operating-history origin.

Seven-Year Angie’s List Super Service Award Plus BBB A+ Recognition

Michigan Supreme Plumbing holds Master Plumber certification from the State of Michigan plus A+ Better Business Bureau rating, supporting the foundational regulatory-and-third-party-verification credential profile. Beyond the underlying credentials, the firm has won the Angie’s List Super Service Award across seven consecutive years (2011, 2012, 2013, 2014, 2015, 2016, 2017), grounding an exceptionally deep customer-feedback recognition profile that distinguishes Michigan Supreme from typical Detroit-area competitors. The seven-year continuous Angie’s recognition track record reflects sustained customer-satisfaction performance across the 2011-2017 period, with the recognition pattern supporting the firm’s positioning in the consumer-trust segment of the Macomb County plumbing market. The 25+ years of combined plumbing experience claim aligns with the firm’s 1995 founding-era origin plus the contemporary operating-team experience profile.

Roseville Headquarters Plus Fifteen-Plus Macomb County Communities

Michigan Supreme Plumbing operates from the 17130 East 12 Mile Road Roseville headquarters with the Macomb County positioning shaping daily-dispatch reach across 15+ named Macomb County communities: Mount Clemens (Macomb County seat), New Baltimore (eastern Macomb), New Haven (eastern Macomb), Richmond (far northeast Macomb), Romeo (northern Macomb), Roseville (the headquarters location, southeast Macomb inner-suburb), Saint Clair Shores (eastern Macomb lakefront), Armada (northern Macomb), Center Line (inner-suburb Macomb), Clinton Township (central Macomb), Eastpointe (southeast Macomb inner-suburb), Fraser (central Macomb), Memphis (far northern Macomb), Macomb Township (central Macomb), and Shelby Township (northern Macomb). The 15-community Macomb County footprint distinguishes Michigan Supreme from neighborhood-grounded competitors, with the breadth supporting both inner-suburban Eastpointe-and-Roseville renovation work and the outer-suburban Shelby Township and Macomb Township tract-home service market through one operating dispatch model.

Reference Notes

Detroit plumbing licensing runs through the Michigan Department of Licensing and Regulatory Affairs (LARA). LARA issues master plumber and plumbing contractor credentials. Within city limits, the City of Detroit Buildings, Safety Engineering and Environmental Department issues building permits. The Great Lakes Water Authority (GLWA), formed in 2016 from the former Detroit Water and Sewerage Department, handles water-and-wastewater connections and regional backflow testing. Outside Detroit, Wayne, Oakland, Macomb, St. Clair, and Washtenaw Counties plus suburban municipalities (Royal Oak, Warren, Ferndale, Birmingham, Bloomfield Hills, Troy, Farmington Hills, Livonia, Sterling Heights, Roseville, Clinton Township, Dearborn, Ann Arbor) run their own permit frameworks.

Detroit-area housing reaches across roughly 175 years. Late-19th-century downtown commercial buildings still stand. Streetcar-suburb residential expansion of 1900-1930 produced the housing in Boston-Edison, Indian Village, Palmer Woods, and Sherwood Forest. Birmingham and Bloomfield Hills filled out with prewar luxury homes in the 1920s-1930s. Postwar tract expansion came across the Royal Oak-Berkley-Ferndale corridor and the broader Macomb-and-Oakland County tier in 1940-1965. The 1970s-1980s automotive peak then the 2008-2014 municipal bankruptcy reset reshaped the city. The Detroit-renaissance renovation cycle is the current chapter.

The four firms profiled cover four positions on the Detroit operating-history arc. Nelson Bros. Plumbing & Sewer (1925, four-generation Nelson family) was founded by Danish-immigrant brothers Anton and Nels Nelson with prior Iowa irrigation-line experience. Elmer and Edwin Nelson took over in the 1950s. The firm has occupied its Royal Oak East 11 Mile Road base since 1958 and serves 39+ submarkets across Southern Oakland and Macomb Counties. FLAME Heating, Cooling, Plumbing & Electrical (1949, founder Robert Marowske; 2001 succession to son Gary) holds three Michigan licenses (#7113436, #6115106, #8004937), 135+ employees, 95 vehicles, NATE-certified HVAC technicians, plus Master and Journeyman plumbers and electricians. FLAME has won the Bryant Medal of Excellence five times and Contracting Business Magazine National Contractor of the Year. Cregger Plumbing, Heating, Cooling & Electrical (1987, owner Derek, third-generation, 12,000+ customer reviews) carries a seven-credential license stack: Plumbing Contractor #8001242, Master Plumber #81-10282 and #81-08949, Boiler Installer #315133, Backflow #34659, Mechanical #71-11138, ASSE Backflow #36136, Universal Refrigerant #1002168394350. Cregger runs Ferndale and Farmington offices across Wayne-Oakland-Macomb. Michigan Supreme Plumbing & Drain Cleaning (1995, master plumber Mike Sheldon, BBB A+) won the Angie’s List Super Service Award seven consecutive years (2011-2017) and operates from Roseville East 12 Mile Road across 15+ Macomb County communities.

Verification paths run through the LARA online license lookup, BBB Detroit listings, the PHCC of Michigan directory, the City of Detroit Buildings Safety Engineering and Environmental Department contractor records, and the GLWA backflow certification database. Pre-1930 streetcar-suburb housing tilts toward Nelson Bros.’ century-spanning sewer specialty. Postwar tract work and large suburban projects fit FLAME’s 135-employee scale. Multi-credential renovation work fits Cregger’s seven-license stack. Macomb County master-plumber-operated work fits Michigan Supreme.

Selection Methodology

Selection follows four criteria. First, continuous family ownership or founder-operator continuity outside the national rollup pattern. Second, verifiable MI Master Plumber license cross-checked via the Michigan Department of Licensing and Regulatory Affairs (LARA) public lookup. Third, BBB Accreditation or equivalent third-party rating. Fourth, minimum 10-year continuous operating tenure with documented Detroit, MI service coverage. Firms acquired by national franchise networks (Authority Brands’ Benjamin Franklin Plumbing, Neighborly’s Mr. Rooter, Service Experts, Roto-Rooter, Wrench Group, Redwood Services, Master Trades Group, ARS) are excluded.

Frequently Asked Questions

How do I verify a Detroit, MI plumber’s license?

Use the Michigan Department of Licensing and Regulatory Affairs (LARA) public licensee database at michigan.gov/lara. Search by license number or business name. Confirm active status, classification, bonding, and insurance before authorizing work.

What credentials should a Detroit, MI plumber hold?

At minimum: MI Master Plumber credential plus general liability insurance and workers’ compensation coverage. Specialty work (gas line, backflow prevention, fire sprinkler, sewer lateral) requires additional credential layers.

How can I tell if a Detroit, MI plumber is locally owned versus a national rollup?

Check ownership disclosures and acquisition history. National franchise brands typically operate under parent-company branding. Search the firm name plus “acquired” or “parent company” to surface ownership structure. The four firms in this directory all run as independent locally-owned operators.

When should I call an emergency plumber in Detroit?

Burst pipes, sewer backups, gas leaks, no-water events, and water heater failures justify after-hours dispatch. Each firm in this directory offers either 24/7 emergency service or structured after-hours response.

Editorial Note

Compiled by the editorial team. Firm details cross-verified through state license databases, BBB business profiles, and firm-published websites where available. License numbers should be re-verified through the Michigan Department of Licensing and Regulatory Affairs (LARA) public lookup before authorizing work. Information current as of the date below; firm details may change without notice. Last updated: 2026-05-10.