Updated: May 17, 2026
Location and Projects
Address
5635 ANZA ST 3, San Francisco, CA, 94121
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Cat Builders Plumber
Cat Builders Inc, 5635 Anza St, San Francisco, CA (Employee: John Thomas Cook) holds a General Building, Plumbing license according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cat Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cat Builders Inc Services
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Cat Builders Inc Contact Information
Phone Number: (415) 913-8941
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Address: 5635 ANZA ST 3, San Francisco, CA 94121
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Cat Builders Inc San Francisco
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cat Builders Inc has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
4 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Cat Builders Inc has worked on at least
14.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
13 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Cat Builders Inc mostly works on
plumbing project
projects.
Pricing
|
1 project
|
$5k-$20k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 11p; remove watts model lf009qt serial# 276554. install axion dmf150 hydronic mini system feeder. this system is a stand alone system so no need for backflow preventer
Valuation:
N/A
Permit #:
PW20250204868
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove watts model lf009qt serial# 192311. install axion dmf150 hydronic mini system feeder. this system is a stand alone system so no need for backflow preventer
Valuation:
N/A
Permit #:
PW20241203485
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adu - new addition construction (attached units only)
2022-02-09
402 sqft addition to create new master bedroom bathroom convert (e) master bedroom into bedroom #2 includes all related mechanical electrical and plumbing as per approved plans note: home currently has 2 bedroom 1 bathroom and will become 3 bedroom and 2 baths
Valuation:
$60,000
Permit #:
COMR-2021-0445
Status:
expired
Fee:
$3,055
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove watts 3/4 rp backflow with serial # 97593 to boiler make up and replace with a new wilkins 3/4 975 xl2 rp backflow with serial# aba90305 to boiler make up
Valuation:
N/A
Permit #:
PW20240814859
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove backflow with serial# 641337 that used to service the soda machine and was replaced with a new assembly serial #cfa1011 under permit #pw20221121920
Valuation:
N/A
Permit #:
PW20240920765
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove rp backflow with serial# b03423 and cap off line. no more use of carbonator for soda at this location
Valuation:
N/A
Permit #:
PW20250916095
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; reroute 3/4 water line to make room for simpson strong wall. cut abandon water line in pitt for pier
Valuation:
N/A
Permit #:
PW20250602641
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; removal of boiler backflow serial # 97567 and replace with axiom hydronic mini system feeder
Valuation:
N/A
Permit #:
PW20250715604
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 3 existing 3/4 water service lines from meter to building connection. replace 2 existing 1 gas service lines from meters to building connection
Valuation:
$19,625
Permit #:
BLD2022-02469
Status:
complete
Fee:
$617
Permit Type:
Repair
Building Type:
N/A
Replace 4 existing 3/4 water service lines from meters to building connections. replace 4 existing 1 gas lines from meters to building connection
Valuation:
$19,800
Permit #:
BLD2022-01637
Status:
complete
Fee:
$506
Permit Type:
Repair
Building Type:
N/A
Replace 4 existing 3/4 water service lines from meters to building connections. replace 4 existing 1 gas lines from meters to building connection
Valuation:
$19,800
Permit #:
BPA2022-01376
Status:
filed
Fee:
N/A
Permit Type:
Repair
Building Type:
N/A
Work category: 11p; removal of two backflows serial# a01230 and serial# 01904 then install two new 2 rp backflows. these are to protect the two carbonators
Valuation:
N/A
Permit #:
PW20230901860
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove 100 gal water heater and replace with tankless water heater
Valuation:
N/A
Permit #:
PW20251022007
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; remove 100gal water heater and install tankless water heater
Valuation:
N/A
Permit #:
PW20251024113
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove irrigation backflow with serial# w363793 and install new irrigation system 1 rp backflow at same location
Valuation:
N/A
Permit #:
PW20231205057
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; install new rp backflow assemblies to service three carbonators at bars. backflow will be located next to main ice machine on first floor
Valuation:
N/A
Permit #:
PW20210104553
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; install new shower valve shower drain pan replace sink and some rough plumbing
Valuation:
N/A
Permit #:
PW20210922988
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; remove gas stone from bottom floor room and cap gas line off
Valuation:
N/A
Permit #:
PW20241007164
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; installation of backflow to boiler
Valuation:
N/A
Permit #:
PW20230304187
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; install new 1 1/2 rp backflow assembly at domestic water supply
Valuation:
N/A
Permit #:
PW20221010573
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Cat Builders Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cat Builders Inc License info
Verified License
| License # | 807692 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cat Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
65
Permits
- Building permit records show that Cat Builders Inc has worked on 65 permitted projects.
Cat Builders Inc Employees
JC
John Thomas Cook
Rmo/Ceo/Pres