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Updated: Jun 24, 2026
Location and Projects
Address
816 Silliman St, San Francisco, CA, 94134
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Hgs Roofing & Building Engineer
Hgs Roofing & Building, 816 Silliman St, San Francisco, CA (Owned by: David Guo Sheng Huang, Vi Tang Hinh) holds a General Engineering, General Building, Roofing license and 1 other license according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hgs Roofing & Building, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hgs Roofing & Building Services
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Hgs Roofing & Building Contact Information
Phone Number: (415) 713-1282
Address: 816 Silliman St, San Francisco, CA 94134
Hgs Roofing & Building San Francisco
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hgs Roofing & Building has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
39 projects
|
2025 |
|
35 projects
|
2024 |
|
17 projects
|
2023 |
Our building permit records indicate that Hgs Roofing & Building has worked on at least
91.0 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
|
4 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Hgs Roofing & Building mostly works on
commercial renovation
projects.
Pricing
|
2 projects
|
< $5k |
|
75 projects
|
$5k-$20k |
|
7 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $11,000. This graph shows the distribution of these job values.
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.
Building Permits by Hgs Roofing & Building
This is a sample of this contractor's permits. Click here to access their complete permit history.
1st fl convert family room to 2 bedrooms 2 baths family room. 2nd fl remodel kitchen and bathroom per plan
Valuation:
$300,557
Permit #:
202503061707
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Convert ground family room to 2 bedroom 2 bathroom & family room per plan. remodel 2 bathroom & kitchen @ 2/f. convert dining room to bedroom. no structural work under this permit
Valuation:
$180,000
Permit #:
202410173168
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Plumbing work for 4 full bathroom 1/2 bathroom wet bar kitchen. ref pa#202503061707. (4) shower pans underground work laundry room
Valuation:
N/A
Permit #:
PP20250324261
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition one full bathroom at lower floor per plan. remodel 2 bathroom and 1 kitchen at second floor. kitchen layout modified. ref pa# 202409130724
Valuation:
$78,207
Permit #:
202410213373
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Whole house rewiring for single family dwelling. and install sub panel. ref pa #202503061707
Valuation:
N/A
Permit #:
E202503241142
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-roofing with torch down. minimum 0.63 solar resistance or 0.75 & 75 min thermal emittance and solar reflectance index
Valuation:
$25,000
Permit #:
202506249316
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Upgrade existing fire alarm system to comply with sffc section 1103.7.6.1
Valuation:
$49,533
Permit #:
202401254672
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
(n) furnace for single family dwelling. ref pa# 202503061707
Valuation:
N/A
Permit #:
PM20250324262
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-roofing overlay with bitumene application only
Valuation:
$10,000
Permit #:
202502200660
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Full home rewiring for bpa 202410173168. install 2 subpanel. 50 lights 20 switches 50 receptalces 4 fans 1 garbage disposal 1 range
Valuation:
N/A
Permit #:
E202410257809
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroof- tear off (e) 1 layer of comparable shingle and install (n) comparable shingles.19 sq no sheathing. attached garage
Valuation:
$18,000
Permit #:
BRROOF-24-0158
Status:
final
Fee:
$455
Permit Type:
N/A
Building Type:
N/A
Re-roofing overlay bitumene w/torch down
Valuation:
$8,500
Permit #:
202503041464
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Re-roofing overlay bitumene w/torch down
Valuation:
$8,500
Permit #:
202503041463
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Electrical work for pa# 2024-1021-3373 wire work for3 bathroom room one kitchen and laundry room install new sub panel
Valuation:
N/A
Permit #:
E202410227725
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-roofing with torch down
Valuation:
$28,000
Permit #:
202505025673
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Re-roofing with bitumene application
Valuation:
$11,000
Permit #:
202502200657
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Ref bpa 202410173168. plumbing work for 4 baths 1 kitchen laundry and drain. (4) showerpans and underground plumbing
Valuation:
N/A
Permit #:
PP20241025701
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroofing overlay torch down
Valuation:
$8,500
Permit #:
202501168431
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Reroofing overlay torch down
Valuation:
$8,500
Permit #:
202501168430
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Reroofing (w torch)
Valuation:
$9,500
Permit #:
202505075962
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
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Verified License
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Hgs Roofing & Building License info
Verified License
| License # | 1083778 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building, Roofing |
| Business Type | Partnership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Hgs Roofing & Building at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 968393 |
| Status | Inactive |
| State | California |
| Type | Roofing, General Building, General Engineering |
| 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.
Check this license's status for Hgs Roofing & Building at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
238
Permits
- Building permit records show that Hgs Roofing & Building has worked on 238 permitted projects.
Hgs Roofing & Building Employees
DH
David Guo Sheng Huang
General Partner
DH
David Guo Sheng Huang, Vi Tang Hinh
Owner
VH
Vi Tang Hinh
Qualify Partner