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Location and Projects

Address
34 SIRAH, American Canyon, CA, 94503
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Cowan Roofing

Cowan Roofing, 34 Sirah, American Canyon, CA (Employees: James Lloyd Cowan Jr and James Lloyd Cowan Sr) holds a Roofing license according to the California license board.

Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Cowan Roofing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

Cowan Roofing Services

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Cowan Roofing Contact Information

Phone: (707) 333-4660 Edit
Address: 34 SIRAH, American Canyon, CA 94503 Edit

Cowan Roofing American Canyon

Quality

104
91st percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Cowan Roofing has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.

Activity

1 project
2026
5 projects
2025
2 projects
2024
3 projects
2023
Our building permit records indicate that Cowan Roofing has worked on at least 11.0 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.

Experience

11 projects
Roofing projects
Analyzing permits over the last 4 years shows that Cowan Roofing mostly works on roofing project projects.

Pricing

5 projects
$5k-$20k
3 projects
$20k-$50k
Value Not Public: 3.0 projects
The typical size of their permits is approximately $19,050. 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 Cowan Roofing

Sort by: Notable Notable | Date Date | Job Value Job Value
Roof replacement (re-roofs)
2025-01-12
Complete reroof - existing type: composition/asphalt - proposed replacement: tear off; reroof with “class a” composition - structure type: residential dwelling
Valuation:
$12,000
Permit #:
BR25-00055-RRF
Status:
final
Fee:
$568
Permit Type:
N/A
Building Type:
N/A
Building - residential re-roof
2024-03-13
Reroof *20 sq* *cool roof or cool roof exception is required at final* m.b
Valuation:
$21,500
Permit #:
BIRR24-002484
Status:
approved
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Roof replacement (re-roofs)
2024-11-26
Complete reroof - existing type: composition/asphalt - proposed replacement: tear off; reroof with “class a” composition - structure type: residential dwelling
Valuation:
$8,000
Permit #:
BR24-01834-RRF
Status:
final
Fee:
$483
Permit Type:
N/A
Building Type:
N/A
Building permit no plan check
2025-06-03
Remove existing asphalt roof shingles and replace with class a shingles
Valuation:
N/A
Permit #:
BLD25-2831
Status:
final
Fee:
$537
Permit Type:
N/A
Building Type:
N/A
Building permit no plan check
2025-04-09
Complete re-roof
Valuation:
N/A
Permit #:
BLD25-1941
Status:
issued
Fee:
$540
Permit Type:
N/A
Building Type:
N/A
25 squares comparable shingles
Valuation:
N/A
Permit #:
BD2412-002
Status:
final
Fee:
$478
Permit Type:
Re-roof
Building Type:
N/A
Reroof: remove and replace composition shingles - wui
Valuation:
$18,000
Permit #:
B2021-2695
Status:
expired
Fee:
$365
Permit Type:
Residential
Building Type:
N/A
Residential-roof replacement
2023-08-29
Tear off comparable and re-roof with metal
Valuation:
$30,000
Permit #:
BR23-01391-RRF
Status:
expired
Fee:
$787
Permit Type:
N/A
Building Type:
N/A
Building Permit
2022-02-08
Re-roofing
Valuation:
$17,500
Permit #:
BLD-22-187
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2023-04-21
Like for like remove and replace comparable shingles sra moderate
Valuation:
$19,500
Permit #:
BLD23-01734
Status:
complete
Fee:
$224
Permit Type:
Alteration
Building Type:
N/A
Residential-roof replacement
2022-03-02
Code violation - re-roof tear off detached garage - comparable shingle & tpo
Valuation:
$3,500
Permit #:
BR22-00379-RRF
Status:
approved
Fee:
$1,541
Permit Type:
N/A
Building Type:
N/A
Roof replacement (re-roofs)
2026-01-05
Complete reroof - existing type: composition/asphalt - proposed replacement: tear off; reroof with “class a” composition - structure type: residential dwelling
Valuation:
$25,000
Permit #:
BR26-00018-RRF
Status:
issued
Fee:
$885
Permit Type:
N/A
Building Type:
N/A
Residential reroof
2025-11-13
E-permit: tear off - yes resheet - no 1 layer(s) 15 squares of 30yr laminated dimensional composition. crrc: 0668-0119. removal of existing roofing materials disposal of removed materials to disposal facility installation of metal pre-painted valley's to direct water flow away from critical areas provide and install synthetic underlayment on low pitched areas of roof install thermopla... see more
Valuation:
$18,600
Permit #:
RES-2523740
Status:
issued
Fee:
$247
Permit Type:
N/A
Building Type:
Single family
Residential-roof replacement
2023-03-28
Code violation - 2 story garage - re-roof 400 sqft standing seam metal class a - due to tree damage
Valuation:
$8,000
Permit #:
BR23-00431-RRF
Status:
expired
Fee:
$2,044
Permit Type:
N/A
Building Type:
N/A
Residential-roof replacement
2022-06-15
Re-roof tear off main dwelling - comparable shingle & tpo
Valuation:
$5,000
Permit #:
BR22-00377-RRF
Status:
expired
Fee:
$445
Permit Type:
N/A
Building Type:
N/A
Building - residential re-roof
2022-01-24
Remove and replace composition shingle roof **cool roof or cool roof exception required**
Valuation:
$13,600
Permit #:
BIRR22-000786
Status:
canceled
Fee:
$436
Permit Type:
N/A
Building Type:
N/A

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