General contractor San Francisco, CA Corporation
Active License #1104356 B General Building, A General Engineering · San Francisco, CA
CSLB records dated Oct 16, 2026 checked Oct 18, 2026 Verify live on CSLB
As listed in CSLB's personnel file dated Oct 17, 2026. Personnel of record qualify the license. The file does not show who owns the business.
We have permit records for San Francisco and San Jose only. Other Bay Area cities don't publish contractor names in a form we can read, so an empty list here says nothing about work elsewhere.
43permits in 24 months
Permit descriptions that mention: Tenant improvement (13), Retail build-out (7), Restaurant build-out (1)
Permits by declared value (43 with a value)
Latest permits (public permit numbers)
Source: DataSF building permits, checked Oct 18, 2026
1permits in 24 months
Permit descriptions that mention: Tenant improvement (1)
Permits by declared value (1 with a value)
Latest permits (public permit numbers)
San Jose lists the contractor by business name, not license number. A name match can miss permits filed under another spelling and can pick up a company with a similar name.
Source: City of San Jose active building permits, checked Oct 18, 2026
CSLB lists complaint and legal-action disclosures on the license's page.
Check complaints on CSLBRanked by the published scoring rules on the methodology page.
Based in San Francisco
39 bath, 28 kitchen, 2 new homes · median permit value $35k · latest: kitchen, Oct 2026 (SF permits)
87 residential permits · licensed 5 yrs
Active · B · #1078954 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
Based in San Francisco
30 bath, 17 kitchen, 1 addition · median permit value $27k · latest: kitchen, Sep 2026 (SF permits)
73 residential permits · licensed 13 yrs
Active · B · #983658 · Bond ✓ · Workers' comp: policy ended · Verify on CSLB
Workers' comp policy ends Oct 17, 2026. Ask for the renewal certificate.
Based in San Francisco
39 bath, 18 kitchen, 1 addition · median permit value $36k · latest: kitchen, Oct 2026 (SF permits)
70 residential permits · licensed 4 yrs
Active · B · #1096552 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
C-36 Plumbing
Workers' comp policy ends Nov 14, 2026. Ask for the renewal certificate.
Yes. CSLB lists license #1104356 (B, General Building; A, General Engineering) as active in its file dated Oct 16, 2026. It was first issued May 4, 2023 and expires May 31, 2027. Check the live record on CSLB before you sign.
CSLB lists Singular Builders under license #1104356, class B, A, in San Francisco, CA.
CSLB shows a $25,000 contractor bond with Merchants Bonding Company (Mutual) and workers' comp coverage through Travelers Property Casualty Company of America (policy to Jun 13, 2027). Those are the bond and workers' comp records in CSLB's file dated Oct 16, 2026. Ask for its certificate of general liability insurance.
CSLB lists Jeffrey Allen Gherardini (Responsible Managing Officer/Chief Executive Officer/President) and Michael Peter Tzortzis (Responsible Managing Officer) as personnel of record. That file names the people who qualify the license. It does not show who owns the business. CSLB lists the business type as corporation.
On license #1104356's page on CSLB. It lists any complaint disclosures and legal actions CSLB publishes for the license.
We don't host reviews. The links under the license details search for Singular Builders in San Francisco on Yelp, Google, Houzz, BBB, Thumbtack and Angi, so you read them at the source.
For the business owner. Everything above comes from CSLB and city permit files. Send a correction and we check it against the source.