For NHD providers

The Mello-Roos data straight from the clerks who issue it.

California Tax Data sells $25-35 per report. We undercut by 90% — and our data is fresher because it comes directly from the municipality, the moment the clerk uploads. One API call per parcel. Authoritative.

Request API access →See the API

Pricing

Per-request metered, billed monthly via Stripe. No subscriptions.

Starter

$1.00per request

✓< 1,000 requests/month
✓Email support
✓Full API access
✓Net 30 invoicing

Growth

$0.50per request

✓1,000 - 10,000 requests/month
✓Slack support channel
✓Volume discount automatic
✓Net 30 invoicing

Volume

Customcontact us

✓> 10,000 requests/month
✓Dedicated support
✓Custom SLA
✓Annual contract

Compare: California Tax Data charges $25-35 per parcel. We charge $0.50-1.00. Same data quality, sourced 1 step closer to the originating municipality.

The API

Single endpoint. JSON in, JSON out.

# Request

curl https://countytaxdatabase.com/api/v1/lookup \
  -G \
  -d apn=098-070-70 \
  -d fips=06059 \
  -H "Authorization: Bearer ctd_live_<your_key>"

# Response

{
  "apn": "098-070-70",
  "fips": "06059",
  "assessments": [
    {
      "district_name": "CFD 2007-1 IA1",
      "district_type": "cfd",
      "sponsoring_agency": "City of Garden Grove",
      "annual_amount": 1842.00,
      "tax_year": 2025,
      "bond_payoff_year": 2042,
      "source_org": "City of Garden Grove",
      "source_org_slug": "city-of-garden-grove"
    }
  ],
  "total_amount": 1842.00,
  "queried_at": "2026-05-21T17:30:00Z",
  "request_id": "..."
}

Each request is billed at the response time. Empty results (no matching districts) are still billed — you're paying for the lookup, not the data.

Ready to swap out California Tax Data?

Email Scott. We'll issue you an API key, set up Stripe billing, and you can start replacing CTD's line item in your stack today.

scott@nhddata.com