Updated: May 14, 2026
Location and Projects
Address
1390 WALLACE AVE, San Francisco, CA, 94124
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GRC Roofing Co Photos
GRC Roofing Co
GRC Roofing Co, 1390 Wallace Ave, San Francisco, CA (Employees: Gene Roger Clark Jr, Gerardo Ramirez Chavez, and Karen Fung) holds a Roofing, Scaffolding, General Building license and 3 other licenses according to the California license board.
Their BuildZoom score of 117 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring GRC Roofing Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
GRC Roofing Co Contact Information
Phone Number: (415) 822-8860
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Address: 1390 WALLACE AVE, San Francisco, CA 94124
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GRC Roofing Co San Francisco
Quality
117
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
GRC Roofing Co has a BuildZoom score of 117, which places them above 99% of 336,931 contractors in California.
Activity
|
98 projects
|
2025 |
|
91 projects
|
2024 |
|
93 projects
|
2023 |
Our building permit records indicate that GRC Roofing Co has worked on at least
282.0 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 |
|
3 projects
|
Home Additions |
|
279 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that GRC Roofing Co mostly works on
roofing project
and commercial renovation
projects.
Pricing
|
13 projects
|
< $5k |
|
105 projects
|
$5k-$20k |
|
121 projects
|
$20k-$50k |
|
25 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $21,720. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove the existing layers of roofing. install safeguard felt for underlayment. install 30-year asphalt shingles. on the flat roof install 28-pound base sheet for underlayment. install 2 mil. modified membrane bitumen. install 4 mil. mineral surface modified membrane bitumen. total squares: 20
Valuation:
$16,800
Permit #:
B2025-00296
Status:
issued
Fee:
$659
Permit Type:
N/A
Building Type:
N/A
Scope of work for a portion of the house only: remove the existing layers of roofing. on the flat roof install 28-pound base sheet for underlayment install 4 mil. smooth surface modified membrane bitumen. install 4.5 mineral surface modified membrane bitumen. on the slope roof install safeguard felt for underlayment. install 30-year asphalt shingles. total of 12 squares (10 squares f... see more
Valuation:
$14,600
Permit #:
B2025-00191
Status:
issued
Fee:
$588
Permit Type:
N/A
Building Type:
N/A
Scope of work for a portion of the house only: remove the existing layers of roofing. on the flat roof install 28-pound base sheet for underlayment install 4 mil. smooth surface modified membrane bitumen. install 4.5 mineral surface modified membrane bitumen. on the slope roof install safeguard felt for underlayment. install 30-year asphalt shingles. total of 12 squares (10 squares f... see more
Valuation:
$14,600
Permit #:
B2025-00040
Status:
issued
Fee:
$588
Permit Type:
N/A
Building Type:
N/A
Remove the existing layers of roofing. install 28-pound base sheet for underlayment. install 2 mil. modified membrane bitumen. install mineral surface modified membrane bitumen. total squares: 16. color: weathered wood
Valuation:
$13,600
Permit #:
BL-ROOF-2025-00088
Status:
complete
Fee:
$560
Permit Type:
N/A
Building Type:
N/A
Tear off: remove the existing layers of roofing & flashings. install safeguard felt for underlayment. install 30-year asphalt shingles. on the flat roof area install 2 layers of modified membrane bitumen. total squares: 30
Valuation:
N/A
Permit #:
B25-01079
Status:
final
Fee:
$1,441
Permit Type:
Commercial
Building Type:
N/A
Stucco and siding repair work. inspect crack stucco and remove. apply self adhered underlayment. apply 2 coat of rapid set stucco. replace dried rotted siding. in kind siding replacement
Valuation:
$40,400
Permit #:
202504114248
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Back lower slate deck waterproofing work. remove all (e) roof covering matials. install 3/4in acx plywood 8d common nails at 6 o.c. edge nail. apply elasto deck 5000x2 waterproofing system
Valuation:
$7,200
Permit #:
202504224965
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Siding replacement work at entire back west side only. remove (e) cement board siding. install underlayment. install pre-primed hardie lap siding; in-kind. not visble from the street
Valuation:
$96,000
Permit #:
202507291842
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Siding overlay work: install blue skin self adhered underlayment. install pre-primed hardie plank lap siding. 2000 sf on the left side
Valuation:
$66,000
Permit #:
202505065878
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Remove four (4) layers of roofing and flashings. on the slope roof install safeguard felt for underlayment and install 30-year asphalt shingles. on the flat area install 28-pound base sheet for underlayment. install 2 mil. modified membrane bitumen. install 4 mil.mineral surface modified membrane bitumen. total squares: 14 ( 7 squares for slope roof; 7 squares for flat roof)
Valuation:
$17,600
Permit #:
B2024-03805
Status:
issued
Fee:
$685
Permit Type:
N/A
Building Type:
N/A
Reroof.two front balcony roofs: tear off and apply 3 ply modified bituman one ply torch sown roof system. back/right side upper roof: apply multiples layers of sta modified bituman over water poncing area. apply 3 ply modified bituman 1 ply torch down sytem. left side skylight area: apply 1 ply gta
Valuation:
$6,800
Permit #:
202403198132
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Sanctuary building: remove the existing layers of roofing and flashings including the flat section. on the flat roof install taper insulation and 2 layers of modified membrane bitumen. on the slope roof install diamond deck felt for underlayment and install 30-year asphalt shingles
Valuation:
$108,900
Permit #:
BICRR23-011870
Status:
final
Fee:
$710
Permit Type:
N/A
Building Type:
N/A
Sanctuary building: remove the existing layers of roofing and flashings including the flat section. on the flat roof install taper insulation and 2 layers of modified membrane bitumen. on the slope roof install diamond deck felt for underlayment and install 30-year asphalt shingles
Valuation:
N/A
Permit #:
BISUB23-03115
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing cedar shingle sidings and dump away. install blue skin underlayment. install hardie shingle siding. back side only
Valuation:
$34,400
Permit #:
202504174670
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Remove the existing layers of roofing and flashings. install osb plywood over the entire roof. install diamond deck felt for underlayment. install 30-year asphalt shingles 23 squares
Valuation:
$24,500
Permit #:
BIRR23-007262
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Remove the existing layers of roofing. install safeguard felt for underlayment. install 30-year asphalt shingles. total squares:18
Valuation:
$14,400
Permit #:
RW25-0177
Status:
final
Fee:
$351
Permit Type:
N/A
Building Type:
N/A
Reroofing. tear off. apply 3 ply modified bitumen 1 ply torch down roof system about 50 squares hot works
Valuation:
$59,940
Permit #:
202502261132
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Upper campus building ( classrooms 1-4 and fellowship hall): remove the existing layers of roofing and flashings and keep the fiberboard insulation. replace the insulation as needed. install diamond deck felt for underlayment. install 30-year solaris cool roof asphalt shingles. (color: resawn shake crrc product id# 0668-0118)
Valuation:
$74,200
Permit #:
BICRR23-011867
Status:
final
Fee:
$708
Permit Type:
N/A
Building Type:
N/A
Upper campus building ( classrooms 1-4 and fellowship hall): remove the existing layers of roofing and flashings and keep the fiberboard insulation. replace the insulation as needed. install diamond deck felt for underlayment. install 30-year solaris cool roof asphalt shingles. (color: resawn shake crrc product id# 0668-0118)
Valuation:
N/A
Permit #:
BISUB23-03114
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upstairs: remodel (e) (1) bathroom & (1) kitchen. replace 2 boards of the (e) small deck (lightwell) addition recess lights upstairs. lower level: insulate ceiling and walls (no new walls). install ceiling lights; exterior: repair stucco cracks approx 2sf repair cracked sidewalk conc
Valuation:
$70,000
Permit #:
202304266511
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
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Verified License
BuildZoom confirmed this contractor's license
GRC Roofing Co License info
Verified License
| License # | 963532 |
| Status | Active |
| State | California |
| Type | Roofing, Scaffolding, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for GRC Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 778562 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for GRC Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 589028 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| 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 GRC Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 415356 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| 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 GRC Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
117
BuildZoom Score
Insured
| Insurer | State Compensation Insurance Fund |
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
1.3K
Permits
- Building permit records show that GRC Roofing Co has worked on 1311 permitted projects.
GRC Roofing Co Employees
GJ
Gene Roger Clark Jr
Sole Owner
GC
Gerardo Ramirez Chavez
Sole Owner
KF
Karen Fung
Officer
KF
Karen Fung
Officer
LC
Lavonne Marie Clark
Officer
SL
Suilin Vernal Lee
Rmo / Ceo / Pres
We were very happy with their work. They are professional, reliable and we recommend them.