Quick Comparison
| Firm | Founded / Tenure & Credentials | Services & Specialties | Geographic Focus |
|---|---|---|---|
| Forrest Anderson Plumbing & Air Conditioning, Inc. | Founded by Forrest Anderson in Rockport, Indiana; Forrest and wife Delores moved to Phoenix 1961; 55-plus years Valley service; 68 years total business tenure; current Chairman Don Hensley (Forrest's son); current President Audrey Monell (third generation, 14 years leadership); three Anderson family generations | AZ Registrar of Contractors plumbing classification; BBB Accredited | 17225 North 63rd Avenue Glendale base (85308); Glendale plus Phoenix Valley |
| Danco Plumbing, Inc. | 1987 (Martin family founder lineage); current President Danny Martin; staff includes Danny Charles Martin and Karol Lyne Martin; family-owned multi-decade Martin family operation; specializes in new-construction plumbing for residential and commercial | AZ ROC #306833 Specialty Dual, #076983 Specialty Commercial, #077551 Specialty Residential | Glendale base; Phoenix Valley new-construction service |
| Bumble Bee Home Services, Inc. | 2011 (Mike Krpata founder, General Manager with 26-plus years personal trade experience); current President Michael Alan Krpata; Office Manager Kristina Krpata; family-owned plumbing-HVAC-electrical | AZ ROC Specialty Residential plus 2 additional licenses; BBB Accredited | 7600 North 71st Avenue Glendale base; Glendale plus Phoenix Valley |
| Diamondback Plumbing | Family-owned founder lineage; multi-decade Greater Phoenix service | AZ ROC #348977 and #348948; BBB Accredited | Glendale plus Phoenix Valley (Phoenix, Tempe, Scottsdale, Mesa, Surprise, Peoria, Chandler, Sun City) |
1. Forrest Anderson Plumbing & Air Conditioning, Inc.
- Address: 17225 North 63rd Avenue, Glendale, AZ 85308
- Phone: (602) 252-7000
- Founder: Forrest Anderson (originally founded the firm in Rockport, Indiana); moved to Phoenix 1961 with wife Delores; current Chairman Don Hensley (Forrest’s son); current President Audrey Monell (third generation, 14 years leadership); three Anderson family generations
- Operating Since: 1961 Phoenix arrival (55-plus years Valley service; 68 years total firm tenure including Indiana origin)
- License: Arizona Registrar of Contractors plumbing classification; BBB Accredited
- Service area: Glendale plus Phoenix, Peoria, Surprise, Sun City, Sun City West, Scottsdale, Mesa, Tempe, Chandler, Avondale, Goodyear
- Website: forrestanderson.net
Three Anderson Family Generations Across 55-Plus Valley Years
Forrest Anderson founded the plumbing company in Rockport, Indiana. In 1961, Forrest and his wife Delores moved to Phoenix, where the business expanded into the Valley. Forrest brought his son Don Hensley into the firm. Don Hensley currently serves as Chairman. Audrey Monell now serves as President, leading the third generation of her family’s business across the past 14 years. Across 55-plus years of continuous Valley operation (68 years total firm tenure), the firm has built a sustained Phoenix-metro reputation.
North 63rd Avenue Glendale Operating Base
The 17225 North 63rd Avenue Glendale headquarters grounds the firm in north Glendale (85308). The position speeds dispatch reach across Glendale plus the broader Phoenix Valley. Service extends through Glendale, Phoenix, Peoria, Surprise, Sun City, Sun City West, Scottsdale, Mesa, Tempe, Chandler, Avondale, and Goodyear.
AZ ROC Plumbing Plus HVAC Multi-Trade Compliance
Forrest Anderson Plumbing & Air Conditioning operates under Arizona Registrar of Contractors plumbing and HVAC classifications. Combined plumbing-and-HVAC credentialing supports unified residential and commercial service. BBB Accreditation provides third-party reputation verification. The 55-plus-year continuous Valley operation plus three-generation Anderson family transition supports a verifiable compliance record.
2. Danco Plumbing, Inc.
- Address: Glendale, AZ (Phoenix Valley new-construction service)
- Phone: (623) 939-1620
- Founder: Martin family founder lineage 1987; current President Danny Martin; staff includes Danny Charles Martin and Karol Lyne Martin; family-owned multi-decade Martin family operation
- Operating Since: 1987 (39 years)
- License: AZ ROC #306833 Specialty Dual, #076983 Specialty Commercial, #077551 Specialty Residential; verified active as of March 2025
- Service area: Glendale plus Phoenix Valley new-construction projects (apartments, high-rise condominiums, assisted living facilities, student housing, townhome developments)
- Website: dancoplumbinginc.com
39 Years of Continuous Martin Family New-Construction Operation
Danco Plumbing was founded in 1987 as Arizona’s premier family-owned new-construction plumbing contractor. Danny Martin currently serves as President. Staff includes Danny Charles Martin and Karol Lyne Martin, supporting Martin family operating depth. Across 39 years of continuous Martin family ownership, the firm has completed 90-plus permitted projects in the Phoenix Valley. The firm specializes in new-construction plumbing for apartments, high-rise condominiums, assisted living facilities, student housing, and townhome developments.
Glendale Operating Base With Phoenix Valley New-Construction Reach
Danco Plumbing operates from a Glendale base. The position enables rapid dispatch across the Phoenix Valley new-construction footprint. Service depth covers commercial, residential, and dual-classification new-construction project work for the apartment, high-rise condominium, assisted living, student-housing, and townhome development markets.
Triple AZ ROC Classification (#306833, #076983, #077551)
Danco Plumbing operates under three Arizona Registrar of Contractors licenses: #306833 Specialty Dual, #076983 Specialty Commercial, and #077551 Specialty Residential. Triple-classification credentialing supports unified commercial and residential new-construction service. The license suite was verified active as of March 2025. The 39-year continuous Martin family operating tenure supports a verifiable compliance record.
3. Bumble Bee Home Services, Inc.
- Address: 7600 North 71st Avenue, Glendale, AZ 85303
- Phone: (602) 866-2665
- Founder: Mike Krpata (founded 2011 as General Manager with 26-plus years personal plumbing trade experience); current President Michael Alan Krpata; Office Manager Kristina Krpata; family-owned plumbing-HVAC-electrical
- Operating Since: 2011 (15 years; founder-led with 26-plus-year personal trade tenure)
- License: Arizona Registrar of Contractors Specialty Residential plus two additional licenses; BBB Accredited
- Service area: Glendale plus Phoenix Valley (Phoenix, Peoria, Surprise, Sun City, Avondale, Goodyear, Scottsdale, Mesa, Tempe, Chandler)
- Website: bumblebeeplumbingaz.com
15 Years Plus 26-Plus-Year Founder Trade Tenure
Mike Krpata founded Bumble Bee Home Services in 2011 as General Manager. Mike brings 26-plus years of personal plumbing trade experience to the firm. Michael Alan Krpata serves as President. Kristina Krpata serves as Office Manager. The firm operates as a family-owned plumbing, HVAC, and electrical service provider. Combined 15-year firm tenure plus 26-plus-year founder trade tenure supports an extended trade-knowledge depth.
North 71st Avenue Glendale Operating Base
The 7600 North 71st Avenue Glendale headquarters extends dispatch reach across the Phoenix Valley. Service extends through Glendale plus Phoenix, Peoria, Surprise, Sun City, Avondale, Goodyear, Scottsdale, Mesa, Tempe, and Chandler. Multi-trade service depth covers plumbing, HVAC, and electrical work for residential and commercial customers.
AZ ROC Specialty Residential Plus Multi-Trade Credentialing
Bumble Bee operates under Arizona Registrar of Contractors Specialty Residential classification plus two additional licenses covering broader trade scope. Multi-license credentialing supports unified plumbing-HVAC-electrical service. BBB Accreditation provides third-party reputation verification.
4. Diamondback Plumbing
- Address: Glendale, AZ (Greater Phoenix service)
- Phone: (602) 674-3255
- Founder: Family-owned founder lineage; multi-decade Greater Phoenix service
- Operating Since: Multi-decade family-owned operation
- License: AZ ROC #348977 and #348948; BBB Accredited
- Service area: Glendale plus Phoenix Valley (Phoenix, Tempe, Scottsdale, Mesa, Surprise, Peoria, Chandler, Sun City, Avondale, Goodyear)
- Website: diamondbackplumbing.com
Multi-Decade Diamondback Family-Owned Operation
Diamondback Plumbing operates as a family-owned plumbing service serving the Greater Phoenix area. The team is licensed, bonded, and insured. Across multi-decade continuous family ownership, the firm has built a Phoenix Valley working radius covering Glendale plus the surrounding metro corridor.
Glendale Base With Greater Phoenix Reach
Diamondback Plumbing operates from a Glendale base. The position brings dispatch within across Glendale plus the Greater Phoenix metro including Phoenix, Tempe, Scottsdale, Mesa, Surprise, Peoria, Chandler, Sun City, Avondale, and Goodyear. Service depth covers residential and commercial plumbing work.
AZ ROC #348977 and #348948 Dual Credentialing
Diamondback Plumbing operates under two Arizona Registrar of Contractors licenses (#348977 and #348948). Dual-license credentialing supports broader trade scope across Phoenix Valley service. BBB Accreditation provides third-party reputation verification.
Reference Notes
Arizona plumbing licensing runs through the Arizona Registrar of Contractors (ROC). ROC issues sequentially numbered contractor licenses with classification codes for trade specialties (e.g., L-37 Residential Plumbing, C-37 Commercial Plumbing, K-37 Dual Plumbing). Verification runs through the AZ ROC license search at roc.az.gov. The City of Glendale Building and Safety Department issues building permits within Glendale city limits. Glendale Water Services Department handles water service connections plus annual backflow-prevention testing.
Glendale-area residential housing reflects more than 130 years of construction since the city’s 1892 incorporation. Pre-1980 housing remains in downtown Glendale around the historic Catlin Court district. The 1980s-2000s drove the master-planned-community expansion that transformed Glendale from agricultural town into the Phoenix metro’s fifth-largest city. Arrowhead Ranch, Westgate, Camelback Ranch (spring training facility), Stonehaven, Sun City, Sun City Grand, and the Loop 101 commercial-residential corridor account for the bulk of post-1980 residential stock. Slab-on-grade construction throughout the suburban tracts, copper-and-PEX supply piping in newer construction, plus episodic Sonoran Desert summer heat stress on water heaters and fixtures shape recurring service categories. High-mineral-content water supply across the West Valley drives frequent water heater service.
The four firms profiled cover four positions on the Glendale market arc. Forrest Anderson Plumbing & Air Conditioning leads tenure with three Anderson family generations across 55-plus Valley years (68 years total firm tenure including the Rockport Indiana origin). Forrest Anderson moved the business to Phoenix in 1961 with wife Delores. Don Hensley currently serves as Chairman. Audrey Monell leads the third generation as President. Danco Plumbing follows with 39 years of Martin family new-construction operation since 1987 from a Glendale base, supported by triple AZ ROC licenses (#306833, #076983, #077551) and 90-plus permitted Phoenix Valley projects. Bumble Bee Home Services brings 15 years of Krpata family operation since 2011, supported by founder Mike Krpata’s 26-plus-year personal trade experience. Diamondback Plumbing runs multi-decade family-owned operation across the Greater Phoenix Valley under AZ ROC #348977 and #348948.
Verification paths run through roc.az.gov, BBB Central Arizona listings, the PHCC of Arizona directory, and the City of Glendale Building and Safety contractor records. Phoenix Valley service plus three-generation Anderson family operation since 1961 fits Forrest Anderson Plumbing. New-construction multi-classification Phoenix Valley specialty since 1987 fits Danco Plumbing. Founder-led plumbing-HVAC-electrical service since 2011 fits Bumble Bee Home Services. Multi-decade family-owned Greater Phoenix service fits Diamondback Plumbing. National rollup brands operating in the Phoenix metro (Authority Brands’ Benjamin Franklin Plumbing, Neighborly’s Mr. Rooter, Service Experts, Roto-Rooter, Wrench Group, Redwood Services, Master Trades Group, ARS, Apex Service Partners, Turnpoint Services) sit outside the four-firm independent profile.
Selection Methodology
Selection follows four criteria. First, continuous family ownership or founder-operator continuity outside the national rollup pattern. Second, verifiable Arizona Registrar of Contractors plumbing classification cross-checked through the AZ ROC public lookup. Third, BBB Accreditation or equivalent third-party rating. Fourth, minimum 10-year continuous operating tenure with documented Glendale 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, Turnpoint Services) are excluded.
Frequently Asked Questions
How do I verify a Glendale plumber’s license?
Use the Arizona Registrar of Contractors license search at roc.az.gov. Search by license number or business name. Confirm active plumbing classification, expiration date, and bonding before authorizing work.
What credentials should a Glendale plumber hold?
At minimum: Arizona Registrar of Contractors plumbing classification (L-37 Residential, C-37 Commercial, or K-37 Dual) plus general liability insurance and workers’ compensation coverage. Specialty work (gas line, backflow prevention, fire sprinkler, sewer lateral, solar water heater installation) may require additional ROC classifications.
How can I tell if a Glendale 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 Glendale?
Burst pipes, sewer backups, gas leaks, no-water events, water heater failures, and slab leak events justify after-hours dispatch. Sonoran Desert summer heat plus high-mineral-content water drive water heater service demand across the West Valley. 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 AZ ROC public lookup before authorizing work. Information current as of the date below; firm details may change without notice. Last updated: 2026-05-10.