Coverage

Where we have full assessor data

Owner names, year built, living sqft, sale prices, and tax values direct from county assessors — for ~7.2M residents today, growing each month.

7
Counties
~10.8M
Residents
564k+
Sale records
50
US states (geocoding)

County-level data

Direct integrations with each county's assessor — every response is sourced from authoritative public records.

Seattle metro

King County, WA

FIPS 53033 · ~2.3M residents

See sample lookup

Fields covered

  • Owner name + mailing address
  • Year built, living sqft, beds, baths, stories, heating
  • Lot sqft, zoning, jurisdiction, subdivision, APN
  • Land + improvement appraised values
  • Last sale price + date (with seller / buyer)
  • Historical sale count back to ~1990

Cities included

SeattleBellevueRentonKirklandFederal Way
Phoenix metro

Maricopa County, AZ

FIPS 04013 · ~4.5M residents

See sample lookup

Fields covered

  • Owner name + owner mailing address (absentee detection)
  • Year built, living sqft, lot sqft
  • Full Cash Value (market) + Limited Property Value (assessed)
  • Last sale price + date
  • Zoning, subdivision, jurisdiction, deed number
  • Legal class + Property Use Code

Cities included

PhoenixMesaChandlerScottsdaleGlendaleTempe
Salem metro

Marion County, OR

FIPS 41047 · ~350K residents

See sample lookup

Fields covered

  • Owner name
  • Year built, living sqft, building sqft, lot sqft
  • Market value, assessed value, land + improvement values
  • Last sale price + date
  • Zoning, school district, fire district
  • Tax account number

Cities included

SalemKeizerWoodburnSilvertonStayton
South Portland metro

Clackamas County, OR

FIPS 41005 · ~420K residents

See sample lookup

Fields covered

  • Year built, building sqft, lot size
  • Market value + Measure 50 assessed value
  • Separate land + improvement values
  • Last sale price + date
  • Jurisdiction (city), land use code
  • Owner type (PRIVATE / PUBLIC)
  • Primary account number, original taxlot ID

Cities included

Lake OswegoOregon CityTualatinWest LinnMilwaukieHappy Valley

Owner name is privacy-stripped from the Metro RLIS layer (Clackamas County itself requires a license agreement for ownership data). Phase 2 enhancement.

Portland metro

Multnomah County, OR

FIPS 41051 · ~830K residents

See sample lookup

Fields covered

  • Owner name + owner mailing address
  • Year built, living sqft, lot sqft
  • Market value (roll land + improvements)
  • Assessed value (Oregon Measure 50 capped)
  • Separate land + improvement values
  • Last sale price + date + deed instrument number
  • Zoning, jurisdiction, property class
  • Legal description, tract / lot / block

Cities included

PortlandGreshamTroutdaleFairviewWood Village
Tampa metro

Hillsborough County, FL

FIPS 12057 · ~1.5M residents

See sample lookup

Fields covered

  • Owner name (Owner1 + Owner2)
  • Latest sale price + date (filtered to skip nominal $100 deed transfers)
  • Site address, city, zip
  • Florida homestead-exemption flag (= primary residence signal)
  • Lot square footage
  • Folio + strap parcel identifiers

Cities included

TampaBrandonRiverviewPlant CityTown 'n' Country

Year built, living sqft, beds/baths, and assessed/market values are NOT in the public REST layer (they live in the Florida DOR's NAL bulk extract). Phase 2 enhancement.

Tucson metro

Pima County, AZ

FIPS 04019 · ~1M residents

See sample lookup

Fields covered

  • Owner name + owner mailing address
  • Lot sqft (no building sqft / year built — ArcGIS REST limitation)
  • Full Cash Value (market) + Limited Net Value (assessed)
  • Zoning, jurisdiction, parcel use code
  • Legal description, deed docket
  • Tax account / parcel number

Cities included

TucsonOro ValleyMaranaSahuaritaSouth Tucson

Year built, living sqft, and sale data require scraping the per-parcel Pima Assessor detail page — planned as a Phase 2 enhancement.

Available for every US address

Built on top of free, authoritative federal datasets — works outside our assessor-data counties too.

Address geocoding (Census)
FEMA flood zone lookup
Census ACS demographics + tract housing profile
Nearby amenities + schools (OpenStreetMap)
Public transit stops
USGS earthquake hazard data
EPA environmental hazards (Superfund, TRI)
Roadmap

Counties shipping next

Need a county sooner? Email us — we prioritize requests from paying customers.

  • Snohomish County, WAnext
  • Cook County, IL (Chicago)Q4 2026
  • Clackamas owner-name backfillQ3 2026
  • Pima + Hillsborough year-built / sqft via detail-page scrapeQ3 2026
  • Florida statewide via DOR NAL extractQ4 2026

Try it on your own addresses

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Get an API keyRead the docs