License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
A1 CONSTRUCTION GROUP CORPORATION
- License Number
- 1124411
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 342 24TH AVE # 302 SAN FRANCISCO, CA, 94121 San Francisco County
- Phone
- (415) 722 8774
License Dates
Issued
07/30/2024
Expires
07/31/2026
Expires in 4 months — verify renewal before long contracts
CSLB Last Updated
08/06/2025
License Classifications
Personnel & Officers
LESNY ADAM ROMUALD
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: MERCHANTS BONDING COMPANY (MUTUAL)
Bond #101220460
Effective: 07/24/2024
Workers' Compensation
Carrier: BERKSHIRE HATHAWAY DIRECT INSURANCE COMPANY
Policy #PCA6WL23LH
Effective: 08/04/2025
Expires: 08/04/2026
CSLB designation: Workers' Compensation Insurance
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
424 28th St, 94131
remodel bathroom in kind, replacing toilet, vanity, new showerpan and tub.
$35,000
2026-03-31
otc alterations permit
424 28th St, 94131
replacement of kitchen cabinets, diswasher installation, stove, refrigerator. all in kind.
$35,000
2026-03-06
otc alterations permit
795 Sutter St, 94109
recommencement and completion of work approved under pa# 2024-1009-2664
$22,000
2026-01-27
otc alterations permit
249 Nevada St, 94110
conversion of (e) storage space in attached garage to (n) bedroom, bathroom, & laundry.
$175,000
2025-02-03
otc alterations permit
137 06th Av, 94118
reference p/a 2023-1227-3173 to document change in kitchen island 2 feet northerly, no change in plumbing fixture count.
$10,000
2024-10-17
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed General Building Contractor in SAN FRANCISCO
O'BRIEN FRANK J
FRANK J O'BRIEN
License #343837 · CA
STEWART ZACH R CONSTRUCTION COMPANY
ZACH R STEWART CONSTRUCTION COMPANY
License #345870 · CA
ALLEN JONATHAN B
JONATHAN B ALLEN
License #347314 · CA
MESA CONSTRUCTION
License #347888 · CA
STANDARD ROOFING COMPANY
License #348544 · CA