Updated: Jul 29, 2026
Location and Projects
Address
8 MADDUX AVE, San Francisco, CA, 94124
Use our bidding system to
request a quote
William's Heating
William's Heating, 8 Maddux Ave, San Francisco, CA (Employee: William Angel Robledo) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William's Heating, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William's Heating Contact Information
Phone Number: (415) 518-3675
Edit
Address: 8 MADDUX AVE, San Francisco, CA 94124
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of two centeral heater 96% efficiency flue pipe pvc for two furnace and flue pipe for a water heater
Valuation:
N/A
Permit #:
PP20241113999
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of two central heater 96% efficeincy flue pipe pvc for two furnace and flue pipe for a water heater
Valuation:
N/A
Permit #:
PM20241113001
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; installation of two central heaters 95% efficiency flue pipe pvc. one will be installed in the first floor and the another one will be installed in the attic
Valuation:
N/A
Permit #:
PMW20201102018
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of two central heater high efficiency ductwork and pvc five pipe
Valuation:
N/A
Permit #:
PM20230511893
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; installation of three central heaters two in the attic and one in the garage flue pipe pvc two inches
Valuation:
N/A
Permit #:
PMW20210525695
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new central heater. flue pipe. pvc pipe 2 duct work
Valuation:
N/A
Permit #:
PP20241216587
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of a new central heater. flue pipe. pvc pipe 2 duct work
Valuation:
N/A
Permit #:
PM20241216588
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; installation of a new central heater 95% efficiency flue pipe and duct work
Valuation:
N/A
Permit #:
PMW20201122560
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (e) furnace and attach to the (e) flue pipe
Valuation:
N/A
Permit #:
PM20240617412
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit #1: installation of a central heater 95% efficiency flue pipe
Valuation:
N/A
Permit #:
PM20231228608
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 95% efficiency furnace at same loation in garage
Valuation:
N/A
Permit #:
MECH2022-0179
Status:
final
Fee:
$195
Permit Type:
Furnace replaceme...
Building Type:
N/A
Installation of two central heaters 95% efficiency flue pipe
Valuation:
N/A
Permit #:
PM20181115676
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Flue pipe for 2 boilers high efficiency 2 pvc pipe and 2 fireplace flue pipes
Valuation:
N/A
Permit #:
PM20170906467
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace heater for central heater 95.5% efficiency + flue pipe
Valuation:
N/A
Permit #:
PM20171023777
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; installation of two central heaters high efficiency one will be replace the existent one for up stars and the second one for downstairs flue pipe pvc two inches and ductwork
Valuation:
N/A
Permit #:
PMW20210126154
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel (100 sf). scope of work includes replacing countertops and cabinets new sink dedicated circuits. remove closet furnace and new furnace to be insalled in the attic. addition a stacked washer dryer. 2/6/15 replace the gas line from the meter to the house and within the house. 3/16/15 addition bathroom remodel (90 sf) (with existing footprint) to the scope of work. valuat... see more
Valuation:
$24,000
Permit #:
15000-00243
Status:
final
Fee:
$990
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; installation of a central heater high efficiency 95% in the garage flue pipe pvc 2 ductwork
Valuation:
N/A
Permit #:
PMW20220725424
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; replace existent central heater for a new one 95, % efficiency and flue pipe pvc 2 inches
Valuation:
N/A
Permit #:
PMW20200604916
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate existing furance and flue addition new 95% efficiency furnace flue and pvc ductwork
Valuation:
$0
Permit #:
PM20160425864
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of 3 central heaters 95.5% efficiency. flue pipe puc and duct work
Valuation:
$0
Permit #:
PP20150903673
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
149
BZ Score
$11.9K
Avg Project
-
Projects
149
BZ Score
$10.5K
Avg Project
-
Projects
145
BZ Score
$4.5K
Avg Project
-
Projects
William's Heating Reviews
BuildZoom hasn't received any reviews for William's Heating. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
William's Heating License info
Verified License
| License # | 766335 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for William's Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
290
Permits
- Building permit records show that William's Heating has worked on 290 permitted projects.
William's Heating Employees
WR
William Angel Robledo
Sole Owner