Updated: Jun 01, 2026
Location and Projects
Address
P O BOX 278, Cotati, CA, 94931
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Hamilton Industries Construction
Hamilton Industries at P O BOX 278, Cotati, CA 94931, held a General Contractor license (#515928) with the California contractors license board with an expiration date of 03-31-2006. We last verified the license was expired on 05-31-2026.
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.
Hamilton Industries Services
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Hamilton Industries Contact Information
Phone Number: (707) 795-1090
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Address: P O BOX 278, Cotati, CA 94931
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential alteration or addition - plan check-permit
1994-10-12
Cross street: twin oaks valley description of work: new fireplace in living room/interior remodel of existing bathroom & laundry room***already constructed***
Valuation:
$3,291
Permit #:
PDS1994-C-9403557999
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
1994-10-12
Cross street: twin oaks valley description of work: new fireplace in living room/interior remodel of existing bathroom & laundry room***already constructed***
Valuation:
$3,291
Permit #:
PDS1994-C-94035571
Status:
complete
Fee:
$213
Permit Type:
N/A
Building Type:
N/A
Construct new 10'x20 carport to replace required parking lost when garage was converted into office (ce01-0758)
Valuation:
$4,700
Permit #:
B03-0947
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
Legalize conversion of garage to office space (new carport under permit b03-0947)
Valuation:
$18,480
Permit #:
B03-1368
Status:
final
Fee:
$725
Permit Type:
N/A
Building Type:
N/A
Legalize stucco venting 3 new windows dry rot rpr plumbing rpl stairs
Valuation:
N/A
Permit #:
BLD03-2086
Status:
final
Fee:
$871
Permit Type:
N/A
Building Type:
N/A
Convert garage & breezeway to liv space/remodel
Valuation:
N/A
Permit #:
BLD00-1331
Status:
final
Fee:
$1,413
Permit Type:
N/A
Building Type:
N/A
Replace roof/doors/windows
Valuation:
N/A
Permit #:
B-153125
Status:
final
Fee:
$7,943
Permit Type:
N/A
Building Type:
N/A
Converted acc. building. to 2nd dwelling unit
Valuation:
N/A
Permit #:
B-148413
Status:
final
Fee:
$2,061
Permit Type:
N/A
Building Type:
N/A
Demolition of unpermitted shed (part of overall remodel)
Valuation:
$2,000
Permit #:
B03-1367
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Remodel apartment - building. a
Valuation:
N/A
Permit #:
B-147156
Status:
plancheck
Fee:
$820
Permit Type:
N/A
Building Type:
N/A
Replace and extend deck on single family dwelling 885 sq feet
Valuation:
N/A
Permit #:
BLD03-6055
Status:
final
Fee:
$587
Permit Type:
N/A
Building Type:
N/A
Repair existing restaurant & event center
Valuation:
N/A
Permit #:
B-152030
Status:
final
Fee:
$522
Permit Type:
N/A
Building Type:
N/A
Add/remodel
Valuation:
N/A
Permit #:
B-154504
Status:
final
Fee:
$1,625
Permit Type:
N/A
Building Type:
N/A
Remodel apartment - building. c
Valuation:
N/A
Permit #:
B-147157
Status:
plancheck
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Remodel apartment - building. d
Valuation:
N/A
Permit #:
B-147158
Status:
plancheck
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Remodel apartment - building. e
Valuation:
N/A
Permit #:
B-147159
Status:
plancheck
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Addition glass over exist. patio area for single family dwelling
Valuation:
N/A
Permit #:
B-136647
Status:
final
Fee:
$390
Permit Type:
N/A
Building Type:
N/A
Addition to dining room and deck extension
Valuation:
N/A
Permit #:
BLD05-1412
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
Install gas lines from new svce to house
Valuation:
N/A
Permit #:
BLD00-0976
Status:
final
Fee:
$33
Permit Type:
N/A
Building Type:
N/A
Install 220v circuit for dryer-in garage
Valuation:
N/A
Permit #:
BLD00-2054
Status:
final
Fee:
$33
Permit Type:
N/A
Building Type:
N/A
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Hamilton Industries License info
Inactive License
| License # | 515928 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Hamilton Industries at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Hamilton Industries, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $10,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
24
Permits
- Building permit records show that Hamilton Industries has worked on 24 permitted projects.
Hamilton Industries Employees
DH
David Brian Hamilton
Sole Owner