3 N 1 Construction Inc
Report verdict
Licensed & active (expires 2028-06-30) · No board discipline flag found in covered sources · 19 permits on file
88/100 HomeProFax Score — public-record factors only, not a rating of workmanship. How the score works Full report
The state board is the authority. A flag is a prompt to read the board record, not a verdict. Verify license status with the issuing board before you hire. See methodology and disclaimer & corrections.
What this report checks
Score breakdown
| Factor | Points | Why |
|---|---|---|
| License status | 35/35 | Active license on file with a state board |
| Discipline & legal flags | 20/20 | No disciplinary flag on board record |
| Permit history | 20/20 | 19 permits on file |
| Reviews (BBB + HomeProFax) | 13/25 | No BBB rating on file and no approved HomeProFax reviews yet (neutral). External ratings are linked below, not stored |
A simple, transparent sum of public-record factors. How the score works. Not a rating of workmanship.
Source data as of: Report rebuilt from source files on 2026-10-19 · CSLB bond/workers' comp as of 2026-10-14 · most recent permit on file: 2026-04-30.
What we checked
| License | Checked | CA Corporation #1005965 · active |
| Bond | Checked | $25,000 with JET INSURANCE COMPANY · as of 2026-10-14 |
| Workers' comp | Checked | Exempt · as of 2026-10-14 |
| Years licensed | Checked | Licensed since 2015 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 19 permits on record |
| Discipline | Checked | none on record |
| OSHA | Not checked yet | OSHA records not checked yet |
| Reviews & outside links | Not checked yet | No review lookup run yet |
| Contractor-provided | Not checked yet | Nothing provided by the contractor yet |
Public records as of their source dates. Board status is shown as reported by the board. Not a guarantee. Ask the contractor for their verified HomeProFax report.
Licenses
Licensed since 2015 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 1005965 | Corporation (B) Workers' comp: Exempt; Contractor bond: $25000 (JET INSURANCE COMPANY) | clear | 2015-07-29 | 2028-06-30 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · JET INSURANCE COMPANY · effective 2026-06-30 |
|---|---|
| Workers' comp | Exempt (no employees reported to CSLB) · effective 2026-05-05 |
Source: CSLB Public Data Portal (License Master), as of 2026-10-14. Verify current bond and insurance with CSLB and the insurer before you hire.
Building permits
| Date | Permit | Type | Address | Value |
|---|---|---|---|---|
| 2026-04-30 | 202604300410 | otc alterations permit | 305 19th Av | $28,000 |
| 2026-01-16 | 202601163987 | otc alterations permit | 3027 Rivera St | $1,300 |
| 2025-12-01 | 202511240264 | otc alterations permit | 1778 35th Av | $25,000 |
| 2025-08-19 | 202508193392 | otc alterations permit | 2733 Ortega St | $10,000 |
| 2025-02-26 | 202502190592 | otc alterations permit | 2122 22nd Av | $45,000 |
| 2025-01-15 | 202501158368 | otc alterations permit | 1271 14th Av | $12,000 |
| 2025-01-15 | 202501158370 | otc alterations permit | 2122 22nd Av | $9,000 |
| 2024-08-26 | 202408269489 | otc alterations permit | 500 Ellington Av | $20,000 |
| 2024-08-13 | 202408128454 | otc alterations permit | 611 38th Av | $60,000 |
| 2023-12-05 | 202312051940 | otc alterations permit | 933 Vicente St | $3,000 |
| 2023-12-05 | 202202178251 | otc alterations permit | 3022 Vicente St | $3,000 |
| 2022-06-09 | 202205174456 | otc alterations permit | 66 Valmar Tr | $30,000 |
| 2022-02-17 | 202201286912 | otc alterations permit | 66 Valmar Tr | $57,000 |
| 2021-09-21 | 202106011387 | otc alterations permit | 2347 17th Av | $120,000 |
| 2020-02-21 | 201909131606 | otc alterations permit | 1586 22nd Av | $70,000 |
| 2019-06-14 | 201905281790 | otc alterations permit | 14 Fredson Ct | $1,000 |
| 2019-06-14 | 201906042481 | otc alterations permit | 14 Fredson Ct | $5,000 |
| 2019-04-18 | 201904188388 | otc alterations permit | 1638 42nd Av | $35,000 |
| 2019-02-28 | 201812077749 | otc alterations permit | 14 Fredson Ct | $90,000 |
Source: DataSF (Building Permits + Building Permits Contacts)
Source: DataSF, City and County of San Francisco (Building Permits; Building Permits Contacts).
Discipline, complaints & legal
No board discipline or complaints found in our current sources. Federal court search (CourtListener): no state-consistent possible match in our last sample run, or not yet run for this contractor.
Around the web
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Reviews
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3 N 1 Construction Inc · General Building Contractor
South San Francisco, CA
License on file: CA 10••••5965
Sources for this report
- CA license board
- DataSF (Building Permits + Building Permits Contacts)
See something wrong? Request a correction. This report is compiled from public records and is not a consumer report.
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