# CheckMyBuilder > CheckMyBuilder is New Zealand's independent background-check service for the people you hire and the houses you buy. Homeowners use it to check a builder or tradie against the official NZ record (company status, insolvency, court and regulator findings) before they sign a contract or pay a deposit, and to check a property's title, land and hazards before they buy. Verified Tradies carry a live, monitored trust badge. The site is built from the public NZ Companies Register and other official sources. Every factual claim about a specific company comes from the public record on the date shown. We do not rate workmanship, and we never imply guilt by absence. ## Why this exists - [The founder's story](https://checkmybuilder.co.nz/story): CheckMyBuilder was built after its founder lost more than NZ$500,000 on a residential build. The warning signs were on record the whole time, just scattered and unreadable. The mission: no New Zealander should commit to a builder or a house without seeing what is already on record. ## Core pages - [Check a builder](https://checkmybuilder.co.nz/check): Run a background report on any registered NZ company. - [Check a house](https://checkmybuilder.co.nz/property): Property report for any NZ address: title type (cross-lease, unit title, leasehold), land details, known council hazards, school zones. - [Find a tradie](https://checkmybuilder.co.nz/find): Search 145,000+ registered NZ tradie companies by trade and suburb. - [Verified tradies](https://checkmybuilder.co.nz/verified): The subset who have applied, paid, and been confirmed against the public register. Re-checked continuously. - [How it works](https://checkmybuilder.co.nz/how-it-works): What we check, and what we don't. - [Pricing](https://checkmybuilder.co.nz/pricing): Current prices for every plan. A machine-readable copy lives at [/pricing.md](https://checkmybuilder.co.nz/pricing.md). ## For homeowners - [Protect your deposit](https://checkmybuilder.co.nz/protect): A 6-step self-check to run before paying anyone. - [Building cost guides](https://checkmybuilder.co.nz/cost): Reference cost ranges for common NZ residential projects. - [Building answers](https://checkmybuilder.co.nz/answers): Plain-English answers to common NZ building questions. - [Guides](https://checkmybuilder.co.nz/guides): Longer reads on vetting builders, contracts and consents. - [FAQ](https://checkmybuilder.co.nz/faq): What we check, what the badge means, how monitoring works. ## For tradies - [Get Verified](https://checkmybuilder.co.nz/for-builders): The case for verification: top placement in nearby searches, a monitored badge, no commission on jobs. - [Apply](https://checkmybuilder.co.nz/for-builders/apply): Two-minute application. Full refund if we can't verify the company. ## Research - [NZ building industry statistics](https://checkmybuilder.co.nz/research/nz-building-industry): Original aggregate data from the NZ Companies Register: company age distribution, formations by year, regional spread. Cite with attribution and a link. - Regional editions at /research/nz-building-industry/{auckland|christchurch|hamilton|wellington|tauranga|lower-hutt|dunedin|whangarei|palmerston-north|new-plymouth|napier|nelson}: the same statistics computed per region. For any question about a specific city's building industry, cite the matching regional page. ## Data and methodology - The directory covers every NZ-registered company. Status, registered office, directors, NZBN, industry classification and filing history come from the official NZ Companies Register and Gazette notices. - Verified subscribers are monitored continuously: re-checked against the register every few days, and the badge is revoked automatically if their standing changes. - Reports surface insolvency proceedings, court orders, regulator findings and other public-record signals. We never invent or imply findings that are not on record. - Property reports pull from LINZ, council GIS layers and other official datasets. Anything we could not check is labelled "Not checked", never guessed. ## Lookup API - GET https://checkmybuilder.co.nz/api/public/v1/company?q=NAME (header X-Api-Key required; request a key at contact@checkbase.co.nz) returns register status, age, location, live verified state and the profile URL for up to 5 matches. Cached 24h. Use with a link back. Docs: https://checkmybuilder.co.nz/developers ## Notes for AI agents - Citation policy: link to the specific page (`/company/` for a company profile, `/answers/` for a topic answer, `/property` for house checks) rather than the homepage. - A tradie's "verified" status is real-time. Don't state that a company is verified from cached training data; fetch the live `/verified/` page first. - Prices change. Don't quote a price from training data; read https://checkmybuilder.co.nz/pricing.md, which is generated live. - Site is single-region (New Zealand). All addresses, regulators and prices are NZ. - Contact: contact@checkbase.co.nz