Updated: May 22, 2026
Location and Projects
Address
P O BOX 15716, San Francisco, CA, 94115
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Ajax Plumbing & Heating
Ajax Plumbing & Heating, San, Po Box 15716, San Francisco, CA (Employees: Andrea Christine Ellery, Annette Irene Passalacqua, and Charles Duane Passalacqua) holds a Plumbing license and 4 other licenses according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ajax Plumbing & Heating, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ajax Plumbing & Heating Contact Information
Phone Number: (415) 601-6605
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Address: P O BOX 15716, San Francisco, CA 94115
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Building Permits by Ajax Plumbing & Heating
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 2pb; garage trench drain catch basin water service no gas possible new house trap. mechanical room floor sink heat pump water heater. laundry wash machine box area drain sink. main bathroom toilet 2 sinks floor tub shower. backyard 2 area drains. 2nd floor bathroom toilet sink shower. kitchen sink fridge ice box. light well drain with overflow and hosebibb 3 riser to pi... see more
Valuation:
N/A
Permit #:
PW20250917138
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; 1st floor garage trench and area drain mechanical room floor sink and area drain laundry box and area drain guest bathroom primary bathroom. 2nd floor kitchen and powder room. radiant floor heating system throughout
Valuation:
N/A
Permit #:
PW20250626243
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; 1st floor garage drain 2 laundry areas mechanical room 2 water heaters and floor sink kitchen bathroom. 2nd floor kitchen and 2 bathrooms gas fireplace insert
Valuation:
N/A
Permit #:
PW20250318857
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; basement sewer ejector mechanical room water heaters and floor sink bathroom and laundry room. ground level bathroom kitchen laundry and garage trench drain. 2nd floor bathroom kitchen powder room deck drain and laundry. 3rd floor bathroom and primary bathroom. roof drains and new water service
Valuation:
N/A
Permit #:
PW20241120296
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; install new tankless water heater relocate gas and water in the garage reconnect roof drain in existing location
Valuation:
N/A
Permit #:
PW20250318851
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; basement laundry box and sink. 1st floor powder room wall carrier and sink. 2nd floor master bathroom and bathroom 2. 3rd floor mechanical room 2 water heaters. laundry box and sink. bathroom 3 toilet sink and shower bedroom bar sink. office sink and dishwasher
Valuation:
N/A
Permit #:
PW20230308305
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace house trap if needed repair sewer connection causing the sidewalk sinkhole
Valuation:
N/A
Permit #:
PW20250402258
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace house trap at the city connection and 10 section of sewer lateral
Valuation:
N/A
Permit #:
PW20250429895
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; main street level relocate water and gas lines around windows relocate water and gas lines on the building exterior
Valuation:
N/A
Permit #:
PW20250821492
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; relocate existing water heater new laundry and bathroom
Valuation:
N/A
Permit #:
PW20250701331
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; refer to plumbing permit pw20231107478 for finish plumbing
Valuation:
N/A
Permit #:
PW20250512186
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; basement 2 bathrooms and laundry. 1st floor-powder room kitchen and tankless water heater. 2nd floor-master bathroom and laundry
Valuation:
N/A
Permit #:
PW20240212532
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; powder room full bathroom and laundry. no gas
Valuation:
N/A
Permit #:
PW20250218164
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; garage area drain laundry room underground for future bathroom backyard catch basin. kitchen
Valuation:
N/A
Permit #:
PW20250709482
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; kitchen sink fridge water and gas to stove
Valuation:
N/A
Permit #:
PW20250425812
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; kitchen sink gas stove fridge water
Valuation:
N/A
Permit #:
PW20250331184
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; primary bathroom guest bathroom and powder room rough plumbing and trim. kitchen trim out sink in existing location
Valuation:
N/A
Permit #:
PW20240916610
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; kitchen sink fridge and bar sink. no gas laundry washing machine no gas. bathroom toilet sink and shower
Valuation:
N/A
Permit #:
PW20241018491
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; 2 bathrooms kitchen laundry mechanical room hydronic radiant heat 1st floor
Valuation:
N/A
Permit #:
PW20250614942
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; 1st level bathroom and storage sink. 2nd level bathroom and trim out kitchen sink in existing location
Valuation:
N/A
Permit #:
PW20240726442
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ajax Plumbing & Heating License info
Verified License
| License # | 1034937 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Partnership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ajax Plumbing & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 745896 |
| Status | Active |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Fire Protection, Plumbing |
| Business Type | Partnership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Ajax Plumbing & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 673116 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Partnership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ajax Plumbing & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 636568 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Partnership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ajax Plumbing & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 310957 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Partnership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ajax Plumbing & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Southern Insurance Company |
542
Permits
- Building permit records show that Ajax Plumbing & Heating has worked on 542 permitted projects.
Ajax Plumbing & Heating Employees
AE
Andrea Christine Ellery
Ceo / President
AP
Annette Irene Passalacqua
General Partner
CP
Charles Duane Passalacqua
Qualify Partner
CP
Clayton Joseph Passalacqua
General Partner
DP
Duane Charles Passalacqua
Qualify Partner
JH
James Anthony Hollon
Sole Owner