Alef Construction Corporation
Report verdict
Licensed & active (expires 2027-02-28) · No board discipline flag found in covered sources · 43 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 | 43 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: 2025-09-12.
What we checked
| License | Checked | CA Corporation #854347 · active |
| Bond | Checked | $25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14 |
| Workers' comp | Checked | Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND) · as of 2026-10-14 |
| Years licensed | Checked | Licensed since 2005 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 43 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 2005 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 854347 | Corporation (B) Workers' comp: Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY) | clear | 2005-02-10 | 2027-02-28 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · STATE COMPENSATION INSURANCE FUND · effective 2020-08-03 · expires 2027-08-03 |
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 |
|---|---|---|---|---|
| 2025-09-12 | 202507301904 | otc alterations permit | 990 Rhode Island St | $26,668 |
| 2024-03-28 | 202209122253 | additions alterations or repairs | 2106 22nd St | $10,000 |
| 2023-11-02 | 202112174663 | additions alterations or repairs | 990 Rhode Island St | $120,000 |
| 2021-04-29 | 202102124629 | otc alterations permit | 340 Baker St | $40,000 |
| 2021-04-23 | 202012311978 | otc alterations permit | 340 Baker St | $50,000 |
| 2020-01-23 | 202001232558 | otc alterations permit | 156 Ripley St | $75,000 |
| 2019-07-17 | 201902142970 | otc alterations permit | 2108 Castro St | $1,000 |
| 2019-07-17 | 201902142957 | otc alterations permit | 2108 Castro St | $95,000 |
| 2019-01-22 | 201811145884 | otc alterations permit | 4126 18th St | $25,000 |
| 2018-08-17 | 201808177619 | otc alterations permit | 156 Ripley St | $20,000 |
| 2018-06-28 | 201708114593 | additions alterations or repairs | 2106 22nd St | $250,000 |
| 2018-01-05 | 201712136315 | otc alterations permit | 2108 Castro St | $4,500 |
| 2017-07-10 | 201703060712 | otc alterations permit | 2108 Castro St | $15,000 |
| 2017-04-07 | 201703080922 | otc alterations permit | 1905 Laguna St | $80,000 |
| 2016-12-09 | 201611213260 | otc alterations permit | 340 Baker St | $2,500 |
| 2016-10-05 | 201605187813 | otc alterations permit | 3207 Market St | $20,000 |
| 2016-09-21 | 201608185337 | otc alterations permit | 340 Baker St | $35,000 |
| 2016-09-21 | 201605258235 | otc alterations permit | 340 Baker St | $25,000 |
| 2016-09-06 | 201603111821 | otc alterations permit | 290 Casitas Av | $15,000 |
| 2016-07-15 | 201607152436 | otc alterations permit | 990 Rhode Island St | $28,000 |
| 2016-07-15 | 201607152433 | otc alterations permit | 990 Rhode Island St | $8,000 |
| 2016-06-14 | 201606149855 | otc alterations permit | 1144 Pine St | $40,000 |
| 2016-04-13 | 201604124494 | otc alterations permit | 715 Baker St | $1 |
| 2016-03-21 | 201603010921 | otc alterations permit | 715 Baker St | $25,000 |
| 2016-02-03 | 201602038675 | otc alterations permit | 1144 Pine St | $165,000 |
| 2015-08-21 | 201508204835 | otc alterations permit | 340 Baker St | $40,000 |
| 2015-05-13 | 201504294861 | otc alterations permit | 340 Baker St | $150,000 |
| 2015-02-25 | 201407141194 | otc alterations permit | 340 Baker St | $2,300 |
| 2014-11-06 | 201411060910 | otc alterations permit | 4 Encanto Av | $1 |
| 2014-10-10 | 201406097873 | otc alterations permit | 2667 21st Av | $40,000 |
| 2014-10-08 | 201408143802 | otc alterations permit | 4 Encanto Av | $30,000 |
| 2013-08-06 | 201307242708 | otc alterations permit | 2 Encanto Av | $15,000 |
| 2013-08-01 | 201307010880 | otc alterations permit | 930 Clayton St | $30,000 |
| 2013-07-11 | 201307111632 | otc alterations permit | 4 Encanto Av | $16,000 |
| 2013-06-10 | 201306109021 | otc alterations permit | 2 Encanto Av | $10,300 |
| 2013-06-04 | 201207185149 | additions alterations or repairs | 4059 17th St | $60,000 |
| 2013-04-03 | 201303192543 | otc alterations permit | 2 Encanto Av | $40,000 |
| 2011-07-05 | 201107059441 | otc alterations permit | 4323 Pacheco St | $7,500 |
| 2010-04-22 | 201004220872 | otc alterations permit | 562 Arlington St | $15,000 |
| 2007-08-07 | 200708078936 | otc alterations permit | 315 Chenery St | $9,237 |
| 2007-07-03 | 200707035926 | otc alterations permit | 1550 Kirkwood Av | $800 |
| 2007-06-19 | 200706194341 | otc alterations permit | 315 Chenery St | $6,800 |
| 2007-03-05 | 200510256473 | additions alterations or repairs | 1550 Kirkwood Av | $150,000 |
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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Alef Construction Corporation · General Building Contractor
San Carlos, CA
License on file: CA ••••4347
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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