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88of 100 · v2

Pioneer Builders

General Engineering Contractor · Sonoma, CA
Active license
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License1 record · Active license
Permits100 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(415) 559-6759
Address18095 Lucas Ave

Report verdict

Licensed & active (expires 2027-01-31) · No board discipline flag found in covered sources · 193 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
193 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: 2024-08-15.

What we checked

LicenseCheckedCA Corporation #555580 · active
BondChecked$25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14
Workers' compCheckedExempt · as of 2026-10-14
Years licensedCheckedLicensed since 1989
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked193 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 1989 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 555580Corporation (A| C-4| C16)
Workers' comp: Exempt; Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY)		contr bond susp1989-01-272027-01-31State board

Bond & workers' comp

Contractor bond$25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01 · cancelled 2026-03-04
Workers' compExempt (no employees reported to CSLB) · effective 2025-06-16

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
2024-08-15202408158807otc alterations permit405 08th Av$1
2024-07-24202406124306otc alterations permit4444 Geary Bl$1
2024-06-11202402085512otc alterations permit201 Buchanan St$250,000
2024-03-08202310279673otc alterations permit3743 Mission St$2,000
2024-03-08202403087414otc alterations permit3460 Sacramento St$1
2024-03-08202403087416otc alterations permit3460 Sacramento St$1
2023-10-23202308013476otc alterations permit4444 Geary Bl$10,000
2023-10-23202308023542otc alterations permit405 08th Av$7,500
2023-10-10202310108290otc alterations permit60 Webster St$50,000
2023-10-10202309257356otc alterations permit4403 Geary Bl$4,000
2023-09-08202308295490otc alterations permit837 Fillmore St$5,000
2023-08-01202308013419otc alterations permit837 Fillmore St$5,000
2023-03-20202303203983otc alterations permit111 New Montgomery St$1
2022-12-20202212208742otc alterations permit1611 Vallejo St$1
2022-10-28202102044005additions alterations or repairs62 Webster St$16,000
2022-10-03201809190801additions alterations or repairs837 Fillmore St$110,000
2022-09-23202209233027otc alterations permit1306 Montgomery St$8,000
2022-09-14202209142408otc alterations permit875 Burnett Av$2,000
2022-08-11202108136405otc alterations permit1306 Montgomery St$75,000
2022-04-12202203301210otc alterations permit3460 Sacramento St$500
2022-04-12202203301209otc alterations permit3460 Sacramento St$500
2022-01-31202201316982otc alterations permit333 San Jose Av$6,000
2021-09-09202102255365otc alterations permit3460 Sacramento St$50,000
2021-09-09202102255367otc alterations permit3460 Sacramento St$150,000
2021-08-13202108136407otc alterations permit47 Delmar St$15,000
2021-07-09202104148551otc alterations permit1740 Polk St$1
2021-07-08202105170470otc alterations permit1742 Polk St$27,000
2021-03-23202102245268otc alterations permit4465 17th St$1
2021-03-03202103035716otc alterations permit1611 Vallejo St$2,000
2021-03-03202103035717otc alterations permit4465 17th St$25,000
2021-01-08202011239490otc alterations permit219 Brannan St$21,000
2020-12-01202010307870otc alterations permit663 44th Av$75,000
2020-11-13202002104003otc alterations permit3200 Buchanan St$5,500
2020-08-22201811296936additions alterations or repairs636 Lyon St$300,000
2019-12-23201804166493otc alterations permit1740 Polk St$120,000
2019-12-23201804166492otc alterations permit1740 Polk St$60,000
2019-12-23201808318970otc alterations permit3200 Buchanan St$74,794
2019-12-23201808318971otc alterations permit3200 Buchanan St$6,206
2019-09-19201909192088otc alterations permit669 44th Av$1
2019-07-15201907105535otc alterations permit1635 Clay St$1
2019-04-15201903296666otc alterations permit2205 Taylor St$50,000
2019-04-15201904026845otc alterations permit2211 Taylor St$1
2019-02-05201708225592otc alterations permit1635 Clay St$48,000
2019-01-03201901039540otc alterations permit2324 Chestnut St$60,000
2018-11-02201709137992otc alterations permit44 Crestline Dr$50,000
2018-10-10201810102773otc alterations permit4465 17th St$6,000
2018-08-29201808238186otc alterations permit956 Post St$1
2018-07-06201807063907otc alterations permit4465 17th St$45,000
2018-05-30201709137997additions alterations or repairs2211 Taylor St$110,000
2018-03-29201803294953otc alterations permit42 Lloyd St$20,000
2018-03-23201803234412otc alterations permit2518 Union St$70,000
2018-03-23201803234414otc alterations permit2518 Union St$1
2018-03-14M900027otc alterations permit2230 Bryant St—
2018-03-14M900007otc alterations permit956 Post St—
2018-03-14M900028otc alterations permit700 Presidio Av—
2018-02-15201802151368otc alterations permit4220 Cesar Chavez St$1,500
2017-12-19201712196813otc alterations permit230 12th Av$100,000
2017-11-09201711073309otc alterations permit669 44th Av$1
2017-10-03201710030231otc alterations permit956 Post St$10,000
2017-09-13201709137986otc alterations permit669 44th Av$12,000
2017-09-08201709087364otc alterations permit221 07th Av$6,000
2017-09-08201701066608otc alterations permit3301 Broderick St$80,000
2017-08-03201706159461otc alterations permit3340 18th St$1,200
2017-06-14201706098908otc alterations permit669 44th Av$230,000
2017-05-24201705247547otc alterations permit669 44th Av$15,000
2017-05-24201705247532otc alterations permit669 44th Av$3,000
2017-05-08201701106813additions alterations or repairs2230 Bryant St$100,000
2017-05-08201701106819additions alterations or repairs2240 Bryant St$100,000
2017-03-24201703242260otc alterations permit221 07th Av$9,000
2017-02-06201611102407additions alterations or repairs221 07th Av$100,000
2017-01-11201608255990additions alterations or repairs2266 Washington St$107,011
2017-01-10201701106818additions alterations or repairs333 Linden St$80,000
2016-09-06201608114778otc alterations permit119 Haight St$160,000
2016-09-02201609016540otc alterations permit700 Presidio Av$50,000
2016-06-16201606160139otc alterations permit2744 Balboa St$10,000
2016-05-06201604084268otc alterations permit274 Diamond St$20,000
2016-04-06201604064077otc alterations permit2746 Balboa St$12,000
2016-02-01201602018458otc alterations permit895 Burnett Av$10,000
2016-02-01201602018456otc alterations permit875 Burnett Av$10,000
2016-01-26201503231618additions alterations or repairs274 Diamond St$60,000
2016-01-26201601227782otc alterations permit220 Montgomery St$1
2015-12-21201512175341otc alterations permit220 Montgomery St$124,500
2015-12-14201512084527otc alterations permit3955 17th St$15,000
2015-11-17201511031539otc alterations permit126 02nd Av$20,000
2015-08-25201508255258otc alterations permit3955 17th St$25,000
2015-06-25201412022819otc alterations permit3340 18th St$52,000
2015-05-01201503130864otc alterations permit201 Buchanan St$5,000
2015-04-23201504224284otc alterations permit1847 Grant Av$75,000
2015-04-21201504214234otc alterations permit4220 Cesar Chavez St$15,000
2015-04-21201504214235otc alterations permit3439 Sacramento St$14,500
2015-03-10201308235116otc alterations permit201 Buchanan St$10,000
2015-02-12201502047550otc alterations permit3955 17th St$100,000
2015-01-26201501206149otc alterations permit875 Burnett Av$60,000
2014-11-25201411252479otc alterations permit2615 18th Av$35,000
2014-10-23201410229664otc alterations permit3355 Octavia St$10,000
2014-10-15201410158967otc alterations permit1618 Polk St$12,000
2014-10-06201410068165otc alterations permit4 Gerke Al$8,000
2014-10-06201410038097otc alterations permit201 Buchanan St$10,000
2014-09-22201408063182otc alterations permit1280 Grove St$1,000
2014-07-23201407231975otc alterations permit201 Buchanan St$30,000

Showing the 100 most recent of 193 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.

Around the web

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Reviews

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Pioneer Builders · General Engineering Contractor
Sonoma, CA
License on file: CA ••••5580
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Sources for this report

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