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88of 100 · v2

Hammerhouse Construction

General Building Contractor · San Francisco, CA
Active license
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License1 record · Active license
Permits100 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(415) 516-7399
Address19 Cerritos Avenue

Report verdict

Licensed & active (expires 2027-07-31) · No board discipline flag found in covered sources · 188 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

✓ License
Checked
1 board record(s) · Active license
✓ Discipline & legal
Checked
No board discipline flag found in covered sources.
✓ Permits
Checked
100 permit(s) on file from covered city sources.
◐ Reviews & complaints
Where available
BBB where researched and approved HomeProFax reviews only; external ratings are linked below, not stored or scored.

Score breakdown

FactorPointsWhy
License status35/35
Active license on file with a state board
Discipline & legal flags20/20
No disciplinary flag on board record
Permit history20/20
188 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: 2026-04-16.

What we checked

LicenseCheckedCA Corporation #804459 · active
BondChecked$25,000 with ATLANTIC SPECIALTY INSURANCE COMPANY · as of 2026-10-14
Workers' compCheckedExempt · as of 2026-10-14
Years licensedCheckedLicensed since 2002
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked188 permits on record
DisciplineCheckednone on record
OSHANot checked yetOSHA records not checked yet
Reviews & outside linksNot checked yetNo review lookup run yet
Contractor-providedNot checked yetNothing 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 2002 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 804459Corporation (B)
Workers' comp: Exempt; Contractor bond: $25000 (ATLANTIC SPECIALTY INSURANCE COMPANY)		clear2002-02-212027-07-31State board

Bond & workers' comp

Contractor bond$25,000 · ATLANTIC SPECIALTY INSURANCE COMPANY · effective 2025-11-09
Workers' compExempt (no employees reported to CSLB) · effective 2026-09-21

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

DatePermitTypeAddressValue
2026-04-16202604169595otc alterations permit235 Evelyn Wy$7,360
2025-12-23202512232470otc alterations permit808 Junipero Serra Bl$8,500
2025-10-24202510248116otc alterations permit515 Foerster St$1
2025-08-22202412237291additions alterations or repairs2339 37th Av$154,000
2024-10-02202410012107otc alterations permit272 Anderson St$1
2024-09-09202409090353otc alterations permit663 Ulloa St$8,000
2024-09-09202409090350otc alterations permit78 San Leandro Wy$5,000
2024-08-13202408138551otc alterations permit1451 Larkin St$45,500
2024-07-08202407085936otc alterations permit348 Hazelwood Av$1
2024-07-02202403278673otc alterations permit272 Anderson St$166,196
2024-06-05202405303351otc alterations permit348 Hazelwood Av$25,000
2024-02-06202402065344otc alterations permit717 Castro St$20,000
2023-12-20202312192784otc alterations permit1451 Larkin St$1
2023-12-18202202117855new construction wood frame681 12th Av$125,000
2023-12-12202311281501otc alterations permit515 Foerster St$5,000
2023-09-13202309136463otc alterations permit512 Oak St$10,000
2023-08-24202308164511otc alterations permit515 Foerster St$279,000
2023-07-28202307273158otc alterations permit17 Scott St$2,000
2023-07-27202307242803otc alterations permit1451 Larkin St$250,000
2023-01-13202301069810otc alterations permit17 Scott St$15,000
2023-01-13202301130186otc alterations permit554 Duncan St$180,000
2022-11-17202211176726otc alterations permit15 Yerba Buena Av$30,000
2022-10-12202210124182otc alterations permit44 Aptos Av$1
2022-10-07202210073979otc alterations permit553 15th Av$85,000
2022-09-26202208231108otc alterations permit44 Aptos Av$20,000
2022-07-25202207259247otc alterations permit681 12th Av$20,000
2022-07-12202206287293otc alterations permit1358 Union St$1
2022-07-12202207128242otc alterations permit1358 Union St$20,000
2022-07-12202207128243otc alterations permit1358 Union St$20,000
2022-07-07202207077909otc alterations permit210 Corona St$4,900
2022-06-28202105130298additions alterations or repairs17 Scott St$65,000
2022-03-07202203049279otc alterations permit620 Euclid Av$10,000
2022-01-27202110291495otc alterations permit620 Euclid Av$100,000
2021-10-29202110291470otc alterations permit681 12th Av$150,000
2021-08-23202108236955otc alterations permit81 Frank Norris St$15,000
2021-05-25202105250936otc alterations permit11 Downey St$1
2021-05-18202105069897otc alterations permit149 Lunado Wy$125,000
2021-04-13202104138378otc alterations permit900 Bush St$30,000
2021-03-31202103317602otc alterations permit500 Bush St$30,000
2021-03-25202011138907otc alterations permit5 Downey St$62,000
2020-12-16202012161116otc alterations permit1255 California St$30,000
2020-11-10202010076097otc alterations permit90 West Clay St$75,000
2020-10-26202010267435otc alterations permit1274 Filbert St$305,000
2020-09-22202009224700otc alterations permit90 West Clay St$95,000
2020-05-22201911227971otc alterations permit511 Webster St$94,000
2020-02-21202002114162otc alterations permit1274 Filbert St$2,000
2020-01-06202001061259otc alterations permit1274 Filbert St$2,000
2020-01-03202001021135otc alterations permit901 Elizabeth St$6,500
2019-10-03201910033471otc alterations permit191 Devonshire Wy$1,000
2019-09-20201909202237otc alterations permit455 Scott St$45,000
2019-09-09201904309293otc alterations permit901 Elizabeth St$86,000
2019-07-09201905302017otc alterations permit19 Cerritos Av$1
2019-02-26201811014726otc alterations permit225 Corbett Av$150
2019-01-16201812208900otc alterations permit191 Devonshire Wy$95,000
2018-12-04201802201660additions alterations or repairs19 Cerritos Av$65,000
2018-09-24201809200881otc alterations permit225 Corbett Av$1,000
2018-09-07201809079436otc alterations permit2462 16th Av$85,000
2018-08-21201808217866otc alterations permit153 Lunado Wy$29,000
2018-07-12201802151388otc alterations permit152 Eureka St$98,710
2018-07-10201807033633otc alterations permit867 Hampshire St$3,000
2018-06-25201806212605otc alterations permit225 Corbett Av$9,000
2018-06-04201806040865otc alterations permit380 Moncada Wy$6,000
2018-06-01201806010785otc alterations permit863 Haight St$100,000
2018-06-01201806010782otc alterations permit4238 21st St$8,000
2018-05-17201712055488otc alterations permit225 Corbett Av$61,000
2018-05-14201805108735otc alterations permit867 Hampshire St$1
2018-04-25201804257355otc alterations permit2487 35th Av$50,000
2018-04-16201801259579additions alterations or repairs867 Hampshire St$174,731
2018-03-09201803093268otc alterations permit3854 26th St$30,000
2018-02-13201802131155otc alterations permit2179 27th Av$38,000
2018-02-05201802050331otc alterations permit650 Darien Wy$20,000
2018-01-05201801057932otc alterations permit95 Midcrest Wy$70,000
2017-11-16201711143954otc alterations permit650 Darien Wy$30,000
2017-10-05201710050558otc alterations permit361 Hermann St$3,000
2017-09-07201709077182otc alterations permit122 Carl St$40,000
2017-08-17201708175168otc alterations permit19 Cerritos Av$5,000
2017-06-14201704053206otc alterations permit361 Hermann St$12,000
2017-06-12201706129083otc alterations permit863 Haight St$300
2017-06-08201706088847otc alterations permit863 Haight St$1
2017-06-08201706088846otc alterations permit863 Haight St$40,000
2017-05-15201705156567otc alterations permit945 Union St$20,000
2017-05-15201705156564otc alterations permit544 Chenery St$2,000
2017-05-01201705015333otc alterations permit974 Plymouth Av$5,000
2017-03-30201703302781otc alterations permit1935 California St$35,000
2017-02-23201702239977otc alterations permit1935 California St$26,000
2017-01-27201701278109otc alterations permit63 Walter St$1
2016-11-29201611293635otc alterations permit63 Walter St$25,000
2016-10-06201610069688otc alterations permit1636 16th Av$1
2016-10-06201610069675otc alterations permit974 Plymouth Av$35,000
2016-09-14201609147682otc alterations permit40 Farview Ct$150,000
2016-09-07201609076917otc alterations permit1636 16th Av$3,500
2016-09-07201607293746otc alterations permit1636 16th Av$6,000
2016-08-18201605177687otc alterations permit2451 Folsom St$391,494
2016-07-14201605056617otc alterations permit1636 16th Av$30,000
2016-07-07201607071806otc alterations permit2069 Mission St$10,000
2016-07-07201607071809otc alterations permit2069 Mission St$110,000
2016-06-15201511041724additions alterations or repairs4010 25th St$75,000
2016-06-10201606109663otc alterations permit151 Merced Av$45,000
2016-06-06201606069154otc alterations permit1655 18th St$18,000
2016-05-11201605117140otc alterations permit1916 16th Av$8,000

Showing the 100 most recent of 188 permits on file. 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.

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Hammerhouse Construction · General Building Contractor
San Francisco, CA
License on file: CA ••••4459
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Sources for this report

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