Updated: May 20, 2026
Location and Projects
Address
P O BOX 5248, Bay Point, CA, 94565
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William Dahn Construction
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring William Dahn Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William Dahn Construction Services
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William Dahn Construction Contact Information
Phone Number: (925) 945-6163
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Address: P O BOX 5248, Bay Point, CA 94565
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Building Permits by William Dahn Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Upgrade existing skylights electrical install new 5/8 drywall to the exisitng 2 x 6 studs at the exterior walls in work area. the drywall to be 8'0 hight
Valuation:
N/A
Permit #:
BI334614
Status:
plancheck
Fee:
$2,560
Permit Type:
N/A
Building Type:
N/A
County job wh604b remodeling of diagnostic imaging dept. at los medanos health center
Valuation:
N/A
Permit #:
BI309664
Status:
final
Fee:
$1,591
Permit Type:
N/A
Building Type:
N/A
Infill of stairs that serve only third and fourth floors in a four story building
Valuation:
N/A
Permit #:
BI306936
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Toilet alterations including new partitions plumbing electri cal work no structural
Valuation:
$15,000
Permit #:
B9205119
Status:
Final
Fee:
$382
Permit Type:
N/A
Building Type:
N/A
Exterior renovation & seismic upgrade
Valuation:
$100,000
Permit #:
BH95000584
Status:
Cofo
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire repair @ court house
Valuation:
N/A
Permit #:
BIT0000204956
Status:
final
Fee:
$3,859
Permit Type:
N/A
Building Type:
N/A
El pueblo day care addition
Valuation:
$163,296
Permit #:
BICO0000173118
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2020 north broadway
Valuation:
N/A
Permit #:
BIT0000210544
Status:
final
Fee:
$1,647
Permit Type:
N/A
Building Type:
N/A
Dexter corp
Valuation:
N/A
Permit #:
BIT0000241354
Status:
final
Fee:
$3,260
Permit Type:
N/A
Building Type:
N/A
Sm.addition & major tenent imp
Valuation:
N/A
Permit #:
BICA0000183502
Status:
final
Fee:
$790
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
$125,000
Permit #:
BH92000941
Status:
Cofo
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen improvement
Valuation:
N/A
Permit #:
BIT0000193054
Status:
final
Fee:
$982
Permit Type:
N/A
Building Type:
N/A
Moraga branch library
Valuation:
$48,500
Permit #:
BIT0000167911
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building repairs phase ii
Valuation:
$37,000
Permit #:
BH94688914
Status:
Withdraw
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Structural upgrade of roof
Valuation:
$37,000
Permit #:
BH94001344
Status:
Cofo
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocating existing fixtures @ switches
Valuation:
$0
Permit #:
E9300047
Status:
Final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Traffic court remodel
Valuation:
N/A
Permit #:
BI317397
Status:
final
Fee:
$1,224
Permit Type:
N/A
Building Type:
N/A
Breeze way retrofit
Valuation:
N/A
Permit #:
BIT0000233807
Status:
final
Fee:
$989
Permit Type:
N/A
Building Type:
N/A
2 bdrm/bath addition
Valuation:
N/A
Permit #:
BIAD0000231700
Status:
final
Fee:
$2,099
Permit Type:
N/A
Building Type:
N/A
Exterior imp.-family practice
Valuation:
N/A
Permit #:
BIMI0000205815
Status:
final
Fee:
$282
Permit Type:
N/A
Building Type:
N/A
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License # 1154905
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William Dahn Construction Reviews
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William Dahn Construction License info
License Not Verified
| License # | 413814 |
| Status | Active |
| City | Vallejo |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2008. Check the current license status of William Dahn Construction with the The City of Vallejo, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 413814 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 William Dahn Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 373087 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 William Dahn Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are William Dahn Construction, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Merchants Bonding Company (Mutual) |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
30
Permits
- Building permit records show that William Dahn Construction has worked on 30 permitted projects.
William Dahn Construction Employees
GT
Grady Lee Turner
Sole Owner
WD
William Dahn
Qualify Partner
WD
William Dahn
Qualify Partner