Updated: Apr 23, 2026
Location and Projects
Address
231 HOFFMAN AVE, San Francisco, CA, 94114
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Thomas Yu Wang Landscape Contractor
Thomas Yu Wang at 231 HOFFMAN AVE, San Francisco, CA 94114, held a Landscape Contractor license (#900667) with the California contractors license board with an expiration date of 07-31-2027. We last verified the license was inactive on 04-22-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Thomas Yu Wang Services
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Thomas Yu Wang Contact Information
Phone Number: (415) 517-9151
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Address: 231 HOFFMAN AVE, San Francisco, CA 94114
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Thomas Yu Wang San Francisco
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Thomas Yu Wang, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
2 projects
|
2023 |
Our building permit records indicate that Thomas Yu Wang has worked on at least
3.0 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.
Pricing
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.
Install a canadian solar ep cube ess system at the premise for partial home backup. the house has a 400a main electrical service panel with two 200a circuit breakers. one serves the local sub panel at the service panel. the other serves the interior sub panel at the master bedroom. this ess will backup the interior 200a sub panel
Valuation:
$20,000
Permit #:
BLD2025-03078
Status:
final
Fee:
$302
Permit Type:
Other
Building Type:
N/A
Pg&e to dig tap hole to cut off gas service
Valuation:
N/A
Permit #:
EP18-0057
Status:
final
Fee:
$592
Permit Type:
Utilities except ...
Building Type:
N/A
(eplan) attached aluminum open lattice patio cover
Valuation:
N/A
Permit #:
00885719-RMO
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building - tear off existing wood shakes addition solid sheeting re-roof w/approx 35 sq of boral light weight tile as per esr-1647. a copy of this report must be onsite for inspector. note: this is in the wildland urban interface (wui) area. (rgs)
Valuation:
N/A
Permit #:
BLD2016-0094
Status:
ISS
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas service connection
Valuation:
N/A
Permit #:
EP19-0067
Status:
final
Fee:
$1,112
Permit Type:
Utilities except ...
Building Type:
N/A
Install 23 sunmodule plus sw 280 mono solar panels with sunny boy 6000tl inverter using unirac/solarmount roof mounting system; service upgrade to 200 amps
Valuation:
$10,000
Permit #:
BLD2014-01624
Status:
final
Fee:
$346
Permit Type:
N/A
Building Type:
N/A
Solar- install 3.9 kw photovoltaic solar sys w 15 panels flush roof. ****wui area**** (mlf/rada) addition 100a sub panel
Valuation:
N/A
Permit #:
BLD2016-0531
Status:
ISS
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value$122k building - addition 408 sq to 1st floor of existing single story home and remodel (e) 1, 000 sf of interior. je st
Valuation:
N/A
Permit #:
BLD2015-0129
Status:
ISS
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value$12k mechanical - remove & replace existing furnace in the same location. (rgs) st
Valuation:
N/A
Permit #:
BLD2015-0262
Status:
ISS
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new gate and fence
Valuation:
N/A
Permit #:
FENC2022-0032
Status:
issued
Fee:
$75
Permit Type:
New fence and gate
Building Type:
N/A
Installation of new gate and fence
Valuation:
N/A
Permit #:
BLDG2022-0433
Status:
issued
Fee:
$382
Permit Type:
Electric gate fence
Building Type:
N/A
Kitchn remodel (n) recsd lights in kitch lr & mbr
Valuation:
N/A
Permit #:
06-1022
Status:
final
Fee:
$724
Permit Type:
Alteration_434
Building Type:
N/A
Building- 800 sq ft arbor w solar panel with inverter attached (de/cbd)
Valuation:
N/A
Permit #:
BLD2001-06819
Status:
final
Fee:
$258
Permit Type:
N/A
Building Type:
N/A
Yu custom home 3900 sf r-3 680 sf m1
Valuation:
N/A
Permit #:
A-B9400355
Status:
final
Fee:
$8,462
Permit Type:
N/A
Building Type:
N/A
Building/residential/building combo new add/cbnr
2000-08-10
Trellis patio 300 sq ft/cop2000-00448
Valuation:
$5,000
Permit #:
CBN2000-02169
Status:
Finaled
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Gas line for gas cooktop
Valuation:
N/A
Permit #:
00348985-MISR
Status:
final
Fee:
$45
Permit Type:
N/A
Building Type:
N/A
Pg&e install utility service
Valuation:
N/A
Permit #:
EP19-0072
Status:
final
Fee:
$592
Permit Type:
Utilities except ...
Building Type:
N/A
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Thomas Yu Wang License info
Inactive License
| License # | 900667 |
| Status | Inactive |
| State | California |
| Type | Landscaping |
| Business Type | Sole Ownership |
- 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 Thomas Yu Wang at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Thomas Yu Wang, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
10
Permits
- Building permit records show that Thomas Yu Wang has worked on 10 permitted projects.
Thomas Yu Wang Employees
TW
Thomas Yu Wang
Sole Owner