Independent Verification Report
Third-party report by SiteVetter. Not affiliated with Pioneer Builders. View official CSLB record
Pioneer Builders
DBA: Martocchio INC
Updated: Apr 7, 2026
Safety Score
F - FailCritical issues - verify before hire
Risk Factors
Do not proceed without full vetting report
Based on CSLB, SAM.gov, OSHA, DOL, EPA, and permit records
This sub has 1 risk factor. Track whether they get resolved.
SubWatch — We'll notify you when their license status changes. Checked weekly against CSLB. Free for up to 5 subs.
Track this sub freeLicense Status: Contr Bond Susp
PIONEER BUILDERS's California contractor license is not currently active. Get the full report to understand the license status and check federal compliance records.
License & Compliance
License Information
- Issue Date
- Jan 27, 1989
- License Expires
- Jan 31, 2027
- Classifications
- General Engineering (A)Boiler, Hot Water & Steam (C-4)Fire Protection (C16)
Bond & Workers' Comp
Contractor Bond
AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers' Compensation
ExemptNo employees - sole proprietor
CSLB data as of Mar 04, 2026
Permit History
Works primarily in: San Francisco
Permit valuations are contractor estimates
Last update: 17 months ago
Verified Permits
Verified| Date | Type | City | Status |
|---|---|---|---|
| Aug 2024 | Building | San Francisco | Unknown |
| Jul 2024 | otc alterations permit | San Francisco | Finaled |
| Jun 2024 | otc alterations permit | San Francisco | Finaled |
| Mar 2024 | otc alterations permit | San Francisco | Finaled |
| Mar 2024 | otc alterations permit | San Francisco | Finaled |
SAM.gov Exclusions
SAM.gov federal exclusion database checked for PIONEER BUILDERS. Verified as of April 2026.
Database checked
Federal debarment and exclusion records
DOL Wage Data
Department of Labor (DOL) wage and hour records reviewed for PIONEER BUILDERS. Verified as of April 2026.
Database checked
Fair Labor Standards Act violations
OSHA Safety
OSHA workplace safety records checked for PIONEER BUILDERS. Verified as of April 2026.
Database checked - no citations
Inspection history reviewed
EPA ECHO
EPA ECHO environmental compliance database checked for PIONEER BUILDERS. Verified as of April 2026.
Database checked
Environmental compliance records
Data sourced from federal databases. Full results available in the complete report.
Personnel
What's Included in the Full Report
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Data sourced from California Contractors State License Board (CSLB) and federal databases. Information is provided for reference only. Verify directly with CSLB for official status. Last updated: Apr 7, 2026. Learn how to verify a contractor
1 item flagged — details in report
1 issue found — bad hire cost: $47K+
WCIRB, 2023
Review Before You Hire
Violation codes, dates, and resolution status
Your paper trail when it matters
Dated proof for insurers, attorneys, or project owners
~$240
2-4 hrs DIY
90 seconds
100% refund if data is inaccurate — no questions asked
Instant PDF • Powered by Stripe
Is this your business?
Verify your identity to display a Claimed badge
1 item flagged — details in report
1 issue found — bad hire cost: $47K+
WCIRB, 2023
Review Before You Hire
Violation codes, dates, and resolution status
Your paper trail when it matters
Dated proof for insurers, attorneys, or project owners
~$240
2-4 hrs DIY
90 seconds
100% refund if data is inaccurate — no questions asked
Instant PDF • Powered by Stripe
Is this your business?
Verify your identity to display a Claimed badge