at6 Architecture + Design Build
Report verdict
Licensed & active (expires 2027-09-30) · No board discipline flag found in covered sources · 89 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 | 89 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: 2026-04-15.
What we checked
| License | Checked | CA Corporation #283485 · 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 1973 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 89 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 1973 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 283485 | Corporation (B) Workers' comp: Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY) | clear | 1973-04-04 | 2027-09-30 | 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 2017-06-18 · expires 2027-06-18 |
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 |
|---|---|---|---|---|
| 2026-04-15 | 202604018710 | otc alterations permit | 900 Clayton St | $250,000 |
| 2026-04-15 | 202603197912 | otc alterations permit | 539 Noe St | $160,000 |
| 2025-03-20 | 202501228844 | otc alterations permit | 1851 Church St | $76,000 |
| 2025-01-22 | 202411074605 | otc alterations permit | 3771 Clay St | $9,500 |
| 2025-01-15 | 202412237308 | otc alterations permit | 148 Highland Av | $189,000 |
| 2024-08-01 | 202408017715 | otc alterations permit | 3771 Clay St | $20,000 |
| 2024-07-03 | 202403288801 | additions alterations or repairs | 2929 20th Av | $65,000 |
| 2024-05-31 | 202311140775 | additions alterations or repairs | 3771 Clay St | $438,000 |
| 2024-04-03 | 202305318873 | additions alterations or repairs | 3240 25th St | $150,000 |
| 2024-04-02 | 202207148464 | additions alterations or repairs | 225 Edgehill Wy | $80,000 |
| 2024-03-26 | 202403218358 | otc alterations permit | 2929 20th Av | $85,000 |
| 2023-09-20 | 202309206995 | otc alterations permit | 468 Hazelwood Av | $288,000 |
| 2023-08-03 | 202307273166 | otc alterations permit | 515 Noe St | $30,000 |
| 2023-07-11 | 202306160286 | otc alterations permit | 729 Congo St | $80,000 |
| 2023-06-26 | 202306099699 | otc alterations permit | 149 Hartford St | $5,000 |
| 2023-05-25 | 202305228258 | otc alterations permit | 149 Hartford St | $20,000 |
| 2023-05-24 | 202305198170 | otc alterations permit | 225 Edgehill Wy | $20,000 |
| 2022-12-01 | 202206106059 | otc alterations permit | 225 Edgehill Wy | $187,000 |
| 2022-11-17 | 202209162629 | otc alterations permit | 149 Hartford St | $350,000 |
| 2022-08-23 | 202201266619 | additions alterations or repairs | 149 Hartford St | $3,200 |
| 2022-06-16 | 201208217932 | additions alterations or repairs | 3771 Clay St | $360,000 |
| 2022-05-27 | 202205275125 | otc alterations permit | 225 Edgehill Wy | $150,000 |
| 2021-10-08 | 202110080128 | otc alterations permit | 112 Baden St | $300 |
| 2021-08-31 | 202010166674 | additions alterations or repairs | 2561 Washington St | $20,000 |
| 2021-06-17 | 202105170454 | otc alterations permit | 2561 Washington St | $45,000 |
| 2021-04-06 | 202102084229 | otc alterations permit | 162 11th Av | $80,000 |
| 2021-02-22 | 202012040246 | otc alterations permit | 112 Baden St | $70,000 |
| 2020-11-12 | 202009053617 | otc alterations permit | 2561 Washington St | $70,000 |
| 2020-09-22 | 202008292927 | otc alterations permit | 2561 Washington St | $20,000 |
| 2020-08-25 | 202007130049 | otc alterations permit | 134 Taraval St | $180,000 |
| 2020-08-04 | 201909272989 | additions alterations or repairs | 136 Lawton St | $216,447 |
| 2020-07-08 | 202007089772 | otc alterations permit | 134 Taraval St | $180,000 |
| 2020-06-19 | 201811075299 | additions alterations or repairs | 162 11th Av | $500,000 |
| 2020-02-21 | 202002114135 | otc alterations permit | 62 Pearl St | $140,000 |
| 2020-02-18 | 202002144538 | otc alterations permit | 2561 Washington St | $268,000 |
| 2020-02-13 | 202002114131 | otc alterations permit | 121 Lower Tr | $55,000 |
| 2019-05-10 | 201905079999 | otc alterations permit | 37 Aztec St | $95,000 |
| 2019-04-04 | 201904047161 | otc alterations permit | 769 Clayton St | $5,000 |
| 2019-04-02 | 201904026868 | otc alterations permit | 769 Clayton St | $10,000 |
| 2019-04-02 | 201904026874 | otc alterations permit | 769 Clayton St | $12,000 |
| 2019-03-13 | 201903125055 | otc alterations permit | 769 Clayton St | $244,000 |
| 2019-01-29 | 201901291496 | otc alterations permit | 747 Natoma St | $43,000 |
| 2018-04-16 | 201804136332 | otc alterations permit | 468 Hazelwood Av | $75,000 |
| 2018-03-05 | 201803052834 | otc alterations permit | 468 Hazelwood Av | $11,000 |
| 2017-11-16 | 201711164158 | otc alterations permit | 791 Dolores St | $15,000 |
| 2017-09-27 | 201611213242 | additions alterations or repairs | 2227 Lincoln Wy | $320,000 |
| 2017-07-05 | 201706280581 | otc alterations permit | 219 Douglass St | $5,000 |
| 2017-06-26 | 201706199702 | otc alterations permit | 235 Yerba Buena Av | $152,000 |
| 2017-06-19 | 201609198121 | additions alterations or repairs | 219 Douglass St | $100,000 |
| 2017-02-16 | 201612235859 | otc alterations permit | 50 Arnold Av | $80,000 |
| 2017-02-16 | 201702169606 | otc alterations permit | 50 Arnold Av | $40,000 |
| 2016-11-28 | 201611283612 | otc alterations permit | 145 Broderick St | $1 |
| 2016-11-02 | 201510270896 | additions alterations or repairs | 124 Alpine Tr | $40,000 |
| 2016-08-18 | 201511243536 | additions alterations or repairs | 3731 20th St | $9,500 |
| 2016-05-23 | 201605187781 | otc alterations permit | 219 Douglass St | $175,000 |
| 2016-05-16 | 201603232878 | otc alterations permit | 2040 Leavenworth St | $2,000 |
| 2016-03-23 | 201603232910 | otc alterations permit | 2040 Leavenworth St | $25,000 |
| 2016-01-20 | 201601207468 | otc alterations permit | 2 20th Av | $35,000 |
| 2015-12-07 | 201512074299 | otc alterations permit | 798 Green St | $7,500 |
| 2015-11-24 | 201511243517 | otc alterations permit | 3731 20th St | $50,000 |
| 2015-10-22 | 201510220523 | otc alterations permit | 798 Green St | $140,000 |
| 2015-09-03 | 201509025947 | otc alterations permit | 798 Green St | $5,000 |
| 2015-09-03 | 201509036013 | otc alterations permit | 798 Green St | $6,000 |
| 2015-05-04 | 201505045328 | otc alterations permit | 784 Stanyan St | $1 |
| 2015-03-12 | 201502107942 | otc alterations permit | 784 Stanyan St | $60,000 |
| 2014-11-26 | 201411171639 | otc alterations permit | 2754 Folsom St | $15,000 |
| 2014-11-06 | 201411060883 | otc alterations permit | 268 Chenery St | $4,000 |
| 2014-05-23 | 201405236640 | otc alterations permit | 124 Alpine Tr | $2,000 |
| 2014-03-10 | 201403060021 | otc alterations permit | 124 Alpine Tr | $160,000 |
| 2014-01-17 | 201401176566 | otc alterations permit | 3627 23rd St | $20,000 |
| 2013-11-01 | 201310250261 | otc alterations permit | 2666 35th Av | $94,000 |
| 2013-07-23 | 201307151888 | otc alterations permit | 1851 Church St | $30,000 |
| 2013-06-27 | 201303152282 | additions alterations or repairs | 3731 20th St | $4,000 |
| 2013-05-03 | 201205019548 | additions alterations or repairs | 26 Roanoke St | $40,000 |
| 2013-03-13 | 201303132093 | otc alterations permit | 3731 20th St | $15,000 |
| 2013-01-29 | 201301298992 | otc alterations permit | 200 Brannan St | $8,000 |
| 2012-07-26 | 201207175004 | otc alterations permit | 521 Buena Vista West Av | $125,000 |
| 2012-06-27 | 201206273529 | otc alterations permit | 145 Broderick St | $25,000 |
| 2012-03-27 | 201203216549 | otc alterations permit | 44 Arnold Av | $65,000 |
| 2011-08-17 | 201108172594 | otc alterations permit | 51 Arnold Av | $1,000 |
| 2011-07-26 | 201107220811 | otc alterations permit | 51 Arnold Av | $65,000 |
| 2011-07-26 | 201107220812 | otc alterations permit | 44 Arnold Av | $25,000 |
| 2011-03-21 | 201002096235 | additions alterations or repairs | 121 Commonwealth Av | $35,000 |
| 2011-02-15 | 201102150257 | otc alterations permit | 2591 Post St | $15,000 |
| 2010-10-12 | 201003259015 | additions alterations or repairs | 2218 Lyon St | $9,000 |
| 2010-07-08 | 201006164665 | otc alterations permit | 1907 Leavenworth St | $45,000 |
| 2002-07-01 | 200207010422 | otc alterations permit | 358 28th Av | $1 |
| 2002-01-16 | 200201167104 | otc alterations permit | 358 28th Av | $1 |
| 2001-04-17 | 200012158074 | additions alterations or repairs | 358 28th Av | $5,000 |
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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at6 Architecture + Design Build · General Building Contractor
San Francisco, CA
License on file: CA ••••3485
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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