License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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ERNST DUANE CONSTRUCTION
Owner: DUANE ERNST CONSTRUCTION
- License Number
- 883911
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 119 GERMANIA STREET SAN FRANCISCO, CA, 94117 San Francisco County
- Phone
- (415) 680 7640
License Dates
Issued
09/11/2006
Expires
12/31/2027
Expires in 21 months
Inactivated
10/01/2016
Reactivated
12/30/2019
CSLB Last Updated
11/17/2025
License Classifications
Personnel & Officers
ERNST DUANE
Sole Owner
Contractor Bond
Amount: $25,000
Company: WESTERN SURETY COMPANY
Bond #66623588
Effective: 05/14/2023
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
1433 Page St, 94117
bathroom remodel same footprint. new toilet, shower fixtures, vanity, sink faucet in all existing locations. new exhaust fam, sconce lighting and under floor heating. new wall and floor tile.
$22,000
2026-02-17
otc alterations permit
166 Germania St, 94117
bathroom remodel same footprint. new toilet, shower fixtures, vanity, sink facuet all in existing locations. new exhaust fan. tub to shower. 2nd fl
$20,000
2025-11-06
otc alterations permit
1433 Page St, 94117
bathroom remodel, same footprint. new toilet, shower fixtures, vanity, sink faucet; all in existing locations. new exhaust fan, sconce lighting and under floor heating. new wall and floor tile. in kin
$22,000
2025-06-26
otc alterations permit
1655 Plymouth Av, 94127
in-kind remodeling of 1 kitchen(s) in 1st fl
$35,000
2024-06-24
otc alterations permit
547 19th Av, 94121
one cosmetic kitchen remodel,new countertops,tile backsplash, new light fixtures, appliances and range hood. powder room, dmv and supply new corner mount sink, new exhaust fan, duplex outlet main bath
$52,000
2024-05-15
otc alterations permit
549 19th Av, 94121
interior kitchen remodel: new fixtures and finishes, interior bathroom remodel new fixtures and finishes, interior hall bath remodel, expansion, new fixtures and finishes, removal of entry foyer coat
$128,500
2023-11-17
otc alterations permit
1433 Page St, 94117
kitchen remodel in existing footprint. no strutural work. new cabinets, countertops, oak flooring. new applinces, range hood. update eelctrical as necessary; circuits for small appliances, lighting, d
$40,000
2022-12-29
otc alterations permit
173 Germania St, 94117
new electrical circuits for fan, gfci, recessed lighting and floor heat. new drywall, tilebacker and tile. work to be conducted on second floor.
$25,000
2022-08-10
otc alterations permit
53 Santa Ynez Av, 94112
remodel master suite: bathroom gut-remodel. removal of all dry wall for new insulation & dry wall. new recessed lights & outlets in bedroom. new toilet, sink, shower. replace rear windows in-kind.
$30,000
2021-09-14
otc alterations permit
184 Germania St, 94117
revision to ref pa 2016 0308 1481: change in location of toilet and sink. change from split bathroom to full bathroom
$1
2016-06-29
Showing 10 of 20 permits
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