You can access the California Contractor License Lookup & Verify (CSLB) programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "query": "22726"
12};
13
14// Run the Actor and wait for it to finish
15const run = await client.actor("scrapebench/california-contractor-license-lookup").call(input);
16
17// Fetch and print Actor results from the run's dataset (if any)
18console.log('Results from dataset');
19console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
20const { items } = await client.dataset(run.defaultDatasetId).listItems();
21items.forEach((item) => {
22    console.dir(item);
23});
24
25// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Verify a California Contractor License — CSLB Lookup API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use California Contractor License Lookup & Verify (CSLB) API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

California Contractor License Lookup & Verify (CSLB) API in Python

California Contractor License Lookup & Verify (CSLB) API through CLI

California Contractor License Lookup & Verify (CSLB) OpenAPI definition

California Contractor License Lookup & Verify (CSLB) API

CSLB California Contractor License Verification

lulzasaur/cslb-license-scraper

Verify California contractor licenses from the official CSLB database. Look up by license number, business name, or personnel name. Returns license status, classifications (B, C-10, etc.), issue/expire dates, bond info, workers' comp, and address. B2B compliance & lead gen.

lulz bot

California Contractor Directory by Trade & County (CSLB)

scrapebench/california-contractor-directory

Every licensed California contractor in a county by trade — license #, business, contact, classifications, bond & workers' comp — from the official CSLB registry.

ScrapeBench

5.0

California CSLB Contractor License Scraper

scrapers_lat/california-cslb-scraper

Scrape licensed California contractor records from the CSLB public portal by classification and county. Extract license number, business name, status, trade classifications, issue and expiry dates, bond, workers comp, address, county and phone. Export to JSON, CSV or Excel.

Scrapers Lat

5.0

CSLB California Contractor License Scraper

stackrelay/cslb-california-scraper

Bulk-scrape California CSLB contractor licenses to JSON. Full public record per license: status, all classifications, bonds, workers'-comp, disciplinary history, personnel, phone, address. Search by license number or business/owner name; filter by city, county, ZIP, classification, status.

StackRelay

CSLB California Contractor License Lookup | Pay per result

bovi/cslb-contractor-licenses

Look up California Contractors State License Board (CSLB) records by license number, city or classification. Returns business info, license status, classifications, bonding, workers' comp and personnel. Pay per result.

Vitalii Bondarev

CSLB Contractor License Scraper

crawlerbros/cslb-contractor-license-scraper

Look up California contractor licenses on the CSLB (Contractors State License Board) public license check tool. Search by license number, business name, personnel name, or HIS registration number. Get license status, classifications, bond and workers' compensation info, and expiration dates.

Crawler Bros

CSLB Contractor License Scraper, Lookup & Verification API

pink_comic/cslb-contractor-license-search

Search California CSLB public contractor-license records by license number, business, or personnel name. Review CSLB-reported status, classifications, bonds, workers' compensation, personnel, and disciplinary disclosures for license lookup, vendor verification, compliance, and contractor leads.

Ava Torres

California State Contractor License Scraper (CSLB)

jungle_synthesizer/cslb-california-scraper

Scrape California Contractors State License Board (CSLB) contractor records. Accepts license numbers or business name search terms and returns full license details: business name, address, phone, entity type, issue/expiry dates, license status, classifications, bonding, workers compensation info.