US Contractor License Lookup & Search API - Multi-State

Ohio Contractor License Search (OCILB)

lulzasaur/oh-contractor-license-scraper

Verify Ohio contractor licenses from the official OCILB eLicense registry — electrical, HVAC, plumbing, hydronics & refrigeration contractors. Search by name, license number, or trade. Returns license status, issue/expiry dates, company, and address of record.

Scrape US state contractor & trade license registries: business name, license number, type, status, address, city, ZIP, phone, expiry, owner. Public government data, no login. Construction/home-services lead-gen & contractor verification. WA, CT, OR — more states added.

Oregon CCB Contractor License Lookup & Search API

captainhandsome/or-contractor-license-search

Search Oregon's Construction Contractors Board (CCB) by business name for licence number, business name, status and address on every match, including expired and lapsed licences. Built for verifying contractors, vetting subcontractors and building lead lists.

Nonprofit Data API - US Charity Search & IRS 990 Finder

captainhandsome/us-nonprofit-search

A 990 finder for US nonprofit and charity search by name or keyword. Look up nonprofits against ProPublica Nonprofit Explorer, built on IRS 990 data, and get organization, location, category and revenue as structured records for research and enrichment. 47 columns per record.

Look up and verify California contractor licenses via the CSLB (Contractors State License Board). Returns license number, status, classification, business name, bond/insurance info, and complaint history. Essential for due diligence before hiring any contractor in California.

Verify a California contractor licence by number or business name. Status, classifications, expiration, surety bond and workers' comp as CSLB publishes them, as normalized JSON.

Wisconsin Business Entity Search - DFI Corporate Registry

captainhandsome/wi-business-entity-search

Search Wisconsin's DFI corporate registry by company name and get entity ID, entity type, registration date and status as JSON or CSV. This Wisconsin business entity search returns up to 500 matches per name, for company name search and compliance checks.

Nevada Contractor Licenses Scraper

automation-lab/nevada-contractor-license-lookup

Search the official Nevada State Contractors Board registry and export normalized license status, classifications, business details, principals, addresses, and bonds.

Minnesota DLI Contractor License Lookup

automation-lab/minnesota-dli-contractor-license-lookup

Search and export official Minnesota DLI residential contractor licenses by business, number, type, status, city, and enforcement indicator.

California Contractor License Lookup & Search API - CSLB

captainhandsome/ca-contractor-license-search

CSLB lookup for California contractor licences. Search the California State License Board by contractor or business name for licence number, city, classification and licence status - a contractor license API for verification, subcontractor vetting and lead building.