Updated: Nov 09, 2025
Location and Projects
Address
85 ARDMORE ROAD, Larkspur, CA, 94939
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Ranum Builders Construction
Ranum Builders, 85 Ardmore Rd, Larkspur, CA (Owned by: Robert Roy Ranum) holds a General Building license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ranum Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ranum Builders Services
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Ranum Builders Contact Information
Phone Number: (415) 564-8880
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Address: 85 ARDMORE ROAD, Larkspur, CA 94939
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair interior termite work including replacing some windows and doors (same size as existing). replacing damaged plaster with sheetrock and insulate. new electrical in walls as necessary to replace older electrical lines.
Valuation:
$0
Permit #:
11BLD-101
Status:
submittal approved
Fee:
$584
Permit Type:
N/A
Building Type:
N/A
Replace (e) with new awning fabricate & install a new fabric covered awning no increase office space
Valuation:
$1,000
Permit #:
200102152239
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Replace (e)awning with new/fabricate & install a new fabrice covered awning no increase in office s
Valuation:
$1,000
Permit #:
200102152235
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Remodel existing restroom to ada
Valuation:
N/A
Permit #:
B0511-077
Status:
final
Fee:
$455
Permit Type:
Alter-com
Building Type:
N/A
Remodel existing restroom to ada
Valuation:
N/A
Permit #:
E0511-037
Status:
final
Fee:
$52
Permit Type:
Alter-com
Building Type:
N/A
Remodel existing restroom to ada
Valuation:
N/A
Permit #:
P0511-039
Status:
final
Fee:
$52
Permit Type:
Alter-com
Building Type:
N/A
Minor construction
Valuation:
N/A
Permit #:
11BLD101
Status:
final
Fee:
$584
Permit Type:
N/A
Building Type:
N/A
Solar permit
Valuation:
N/A
Permit #:
08SOL010
Status:
final
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Solar system on flat area of garage.
Valuation:
$0
Permit #:
08SOL-010
Status:
submittal approved
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
New construction
Valuation:
N/A
Permit #:
05GRA015
Status:
expired
Fee:
$108
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Ranum Builders License info
Verified License
| License # | 775372 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Ranum Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Ranum Builders Employees
RR
Robert Roy Ranum
Owner