Updated: Apr 01, 2026
Location and Projects
Address
3322 BALBOA STREET, San Francisco, CA, 94121
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Hydroflow Plumber
Hydroflow, 3322 Balboa St, San Francisco, CA (Employees: Garry Patrick Devaney, Isabelle Renee Gray, and Jaime Andres Gonzalez) holds a Plumbing license and 1 other license according to the California license board.
Their BuildZoom score of 110 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hydroflow, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hydroflow Services
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Hydroflow Contact Information
Phone Number: (415) 623-6564
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Address: 3322 BALBOA STREET, San Francisco, CA 94121
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 2pa; final for expired permit pw20200714929 address(es): 1820 023 : 2932 kirkham st description: work category: 2pb; plumbing for kitchen 2 bathrooms radiant heating for 1500sq ft solar thermal panel run to mechanical room flus for mechanical room plumbing to outdoor shower art house. stage:
Valuation:
N/A
Permit #:
PW20250929434
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; plumbing work to include new sewer and storm lateral new catch basin in garage new area drains new plumbing for lower level bathroom and laundry new check valves for below grade fixtures tie into existing main stack sewer and storm
Valuation:
N/A
Permit #:
PW20250604705
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; swap like for like replacement go 110 but boiler in mechanical room. elimination of back flow for updated no serviceable back flow
Valuation:
N/A
Permit #:
PW20250404298
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; installation of heat pump on outside for domestic hot water storage tank and buffer tank for radiant heating. heating pipe in lower slab and underfloor heating on upper level piping under slab connecting heat pump on exterior to mechanical room
Valuation:
N/A
Permit #:
PW20241008193
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; compliance with report cc-8630. 2024 0402 9186 home owners permit this permit number is for the remodel of the top floor (494) kitchen and 2 bathrooms and laundry 2024 0228 6753 this is the permit for all remaining items noted on the condo conversion report including -common space subsoil drainage installation. -install vacuum breakers on hose bibbs and handheld sh... see more
Valuation:
N/A
Permit #:
PW20240620680
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; installation of heat tubing for in concrete heating approx 1500 sq ft boiler in mechanical room flu piping per code
Valuation:
N/A
Permit #:
PW20250429907
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; new plumbing for hose new lateral tie in new catch basin new rain water new exterior drains new laundry 2 bathrooms kitchen water heater and flu
Valuation:
N/A
Permit #:
PW20250721741
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For final inspection: same work scope:work category: 2pb; full remodel 4.5 bathrooms kitchen laundry new gas service 3 level storm water back flow: also owe for 1 additional inspection for pw20211101134
Valuation:
N/A
Permit #:
PP20230224676
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; heating plumbing for 4 floors 1 in concrete boiler in garage flu piping to exterior
Valuation:
N/A
Permit #:
PW20250125599
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; installation of pressure reduction valve for building. installation of water meters for each unit. installation of expansion tanks for each unit. replacement of neutralizers for each heater
Valuation:
N/A
Permit #:
PW20230913122
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; heating for back area in concrete underfloor for 2nd level back area solo boiler in mechanical room flu to roof
Valuation:
N/A
Permit #:
PW20250902772
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; installation of boiler and storage tank for heating and dhw
Valuation:
N/A
Permit #:
PW20250521420
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; plumbing for bathroom tie in to lightwell laundry room plumbing for laundry sink stacked laundry and heat pump storage tank
Valuation:
N/A
Permit #:
PW20241218877
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; installation of catch basin sump pump in basement area with alarm system replaced check valve
Valuation:
N/A
Permit #:
PW20250723807
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; radiant heating for 3 floors boiler in mechanical room flu to outside
Valuation:
N/A
Permit #:
PW20241206581
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; plumbing for 2 bathrooms kitchen gas for mechanical room fireplace and stove. plumbing for 8 radiators 3 thermostats manifold in mechanical room
Valuation:
N/A
Permit #:
PW20220104676
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; remodel lower bathroom. addition new bathroom. relocate laundry. remodel upper bathroom and kitchen. install catch basin with sump pump in back yard
Valuation:
N/A
Permit #:
PW20231006695
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; plumbing for 2.5 bathroom kitchen laundry. new waterheater and flus. new gas line
Valuation:
N/A
Permit #:
PW20230410119
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; plumbing for bathrooms in kind. tub shower dbl vanity wall hung. plumbing for rain water drains
Valuation:
N/A
Permit #:
PW20240828222
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replacement of back flow. removal of old testable back flow
Valuation:
N/A
Permit #:
PW20250924276
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Hydroflow License info
Verified License
| License # | 1004731 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hydroflow at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 758546 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hydroflow at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
225
Permits
- Building permit records show that Hydroflow has worked on 225 permitted projects.
Hydroflow Employees
GD
Garry Patrick Devaney
Sole Owner
IG
Isabelle Renee Gray
Officer
JG
Jaime Andres Gonzalez
Rmo
RG
Richard William Gray
Ceo / President