Updated: Apr 29, 2026
Location and Projects
Address
284 Yosemite Dr, Pittsburg, CA, 94565
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Gammalyn Roofing Photos
Gammalyn Roofing
Gammalyn Roofing at 284 Yosemite Dr, Pittsburg, CA 94565, held a Roofer license (#844650) with the California contractors license board with an expiration date of 05-22-2020. We last verified the license was revoked on 04-28-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
Gammalyn Roofing Services
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Gammalyn Roofing Contact Information
Phone Number: (510) 604-5828
Address: 284 Yosemite Dr, Pittsburg, CA 94565
Gammalyn Roofing Reviews
5 out of 5 stars, based on
1
review
-
By Verified ClientJuly 11, 2017Considered for Roof Replacement
This is a sample of this contractor's permits. Click here to access their complete permit history.
Reroof tear off comparable shingle install comparable shingle cool roof materials crrc 0.21. ref;ectpr series; 10 squares
Valuation:
N/A
Permit #:
BIRR18-012231
Status:
final
Fee:
$264
Permit Type:
N/A
Building Type:
N/A
Tear off comparable modified roof install modified torch-downroof; 12 squares
Valuation:
$8,000
Permit #:
201902451
Status:
complete
Fee:
$386
Permit Type:
Residential reroof
Building Type:
N/A
Reroof - tear off existing comparable new 30# felt new comparable shingles class a
Valuation:
$4,000
Permit #:
50671-19
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tear off comparable modified roof install modified torch-downroof; 12 squares
Valuation:
$8,000
Permit #:
201902451
Status:
complete
Fee:
$386
Permit Type:
Residential reroof
Building Type:
N/A
Reroof with presidential tl
Valuation:
$22,000
Permit #:
BR18-293
Status:
final
Fee:
$703
Permit Type:
Reroof
Building Type:
N/A
Tear off comparable shingles and install 30 year comparable
Valuation:
$3,600
Permit #:
50979-19
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tear off comparable install reflector series comparable 16 sq
Valuation:
$9,000
Permit #:
201803074
Status:
complete
Fee:
$408
Permit Type:
Residential reroof
Building Type:
N/A
Tear off comparable install reflector series comparable 16 sq
Valuation:
$9,000
Permit #:
201803074
Status:
complete
Fee:
$408
Permit Type:
Residential reroof
Building Type:
N/A
Online - tear off comparable shingles install composition
Valuation:
$10,000
Permit #:
RR200099-E
Status:
expired
Fee:
$240
Permit Type:
N/A
Building Type:
N/A
Reroofing
Valuation:
$12,000
Permit #:
201906032302
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Roofing permit class c in
Valuation:
N/A
Permit #:
BIRR18-004946
Status:
final
Fee:
$264
Permit Type:
N/A
Building Type:
N/A
Tear off shake install plywood and comparable. shingles. 50 sq per contractor: building with r-38 insulation
Valuation:
N/A
Permit #:
BIRR16-001648
Status:
final
Fee:
$264
Permit Type:
N/A
Building Type:
N/A
Residential re-roof 2300 sq. ft. recover install
Valuation:
N/A
Permit #:
BP17-1398
Status:
final
Fee:
$367
Permit Type:
Re-roof
Building Type:
N/A
Tear off tar and gravel install lifetime comparable shingles 22 squares cool roof exception d
Valuation:
N/A
Permit #:
BIRR16-008716
Status:
final
Fee:
$264
Permit Type:
N/A
Building Type:
N/A
Re-roofing cert-obstruction permit for: curbside parking-obstruct sidewalk/street (scaffolding fencing dumpsters etc.) separate building permit required for: structural changes
Valuation:
N/A
Permit #:
R1900062
Status:
complete
Fee:
$34
Permit Type:
N/A
Building Type:
N/A
Re-roofing cert-obstruction permit for: curbside parking-obstruct sidewalk/street (scaffolding fencing dumpsters etc.) building permit for: structural changes gutters
Valuation:
N/A
Permit #:
R1800719
Status:
complete
Fee:
$34
Permit Type:
N/A
Building Type:
N/A
Residential installation of 2200 sq. ft tear off and install
Valuation:
N/A
Permit #:
BP18-0586
Status:
final
Fee:
$367
Permit Type:
Re-roof
Building Type:
N/A
Tear off wood shakes re-sheath & install composition shingles to 20 squares crrc product id#0676-0139
Valuation:
$9,800
Permit #:
B193817
Status:
canceled
Fee:
$601
Permit Type:
N/A
Building Type:
N/A
Tear off composition shingles. install new composition shingles hd reflector series crrc 676-01339
Valuation:
$9,999
Permit #:
B193687
Status:
canceled
Fee:
$564
Permit Type:
N/A
Building Type:
N/A
Reroof tear off shake replace w/light weight tile
Valuation:
$17,500
Permit #:
B1206-0074
Status:
final
Fee:
$332
Permit Type:
Reroof
Building Type:
N/A
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Gammalyn Roofing License info
Inactive License
| License # | 844650 |
| 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.
Check this license's status for Gammalyn Roofing 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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Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
199
Permits
- Building permit records show that Gammalyn Roofing has worked on 199 permitted projects.