HCAD data, explained for contractors

The county already knows a lot about your next customer. Here's what's in the record — and how Axon turns it into a call list.

What HCAD actually is

The Harris County Appraisal District (HCAD) is the public agency that appraises every taxable property in Harris County — well over a million parcels — to set property taxes. Because appraisals are public record, anyone can look up a home's year built, appraised value, building details, and sale history. Most people only ever do it to protest their own taxes. For a contractor, it's something else entirely: a map of which homes in your ZIP are aging into your services.

What one property record tells you

Year built. A roof, a water heater, an HVAC system — every major component has a lifespan. A neighborhood platted in 2004 is a neighborhood full of 20-year-old roofs. Home age is the single most predictive public signal for replacement-driven work.

Appraised value and sale history.Value together with how long ago the home last sold is a reasonable proxy for equity — and homeowners with equity approve bigger tickets and finance less. A home that hasn't changed hands in fifteen years is also a home whose systems likely haven't either.

Improvement details. Garage spaces, building area, lot size. A three-car garage means more doors, more concrete, more electrical load — and a homeowner who invests in the property.

One record is trivia. A million records is a strategy.

Nothing above is secret — that's the point. The problem is scale: nobody running a crew has time to read a million parcel records, cross-reference them with permits, and decide who to call Monday morning. That's the part Axon does. Axon combines HCAD records with US Census income data, building permit filings, and NOAA storm reports, scores every property in your service area from 0–100, and grades it A through D. You get a ranked call list for your ZIPs — and every property shows the data behind its score.

Because the list is built from public data — not bought from a form-fill marketplace — it belongs to your account alone. No shared inquiry, sold to you and several competitors at the same time.

Common questions

Is using HCAD data legal? Yes. Appraisal records are public by Texas law, and Axon uses them the way the county publishes them. How we handle property data — including opt-outs — is covered plainly in our privacy policy.

What areas do you cover? Harris County today, with Greater Houston expansion underway. If your territory reaches into a neighboring county, tell us — coverage requests drive our roadmap.

Does this replace referrals? No — it fills the gaps between them. Data points the way; people close the job.