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Assessment and parcel records for appraisers

An appraiser gets the assessment history a taxing office publishes for a parcel, the county parcel record and its geometry, the site conditions that bear on value, and the area context around it, every number labeled with the year it was published. Sale prices come back only where a state publishes them, and in non-disclosure states they are not published at all.

57 connected sources reach this work today, each with a page of its own naming the office behind it, how often it changes, and the questions it will not answer. Read from the ParcelOps source registry on September 9, 2026.

Who this is for.

Fee appraisers, review appraisers, and appraisal district staff assembling the desk file before the field work starts.

The desk half of an assignment is retrieval, and it is the half no client believes should take as long as it does.

What the desk file needs.

  • What has this parcel been assessed at, and for which years?
  • What does the county record say about the lot, the improvement, and the owner?
  • Which site conditions would a reader expect the report to mention?
  • What does the surrounding area look like on permits, lending, and housing stock?

What answers those questions.

Nobody maintains this roster by hand. Each block claims a kind of source, the directory fills it at build time, and a source connected next month appears here on the build after that.

Assessment history

What the taxing office carried the parcel at, year by year, wherever it publishes a history.

  • Texas County Exemption Rules

    Texas agricultural and wildlife exemption rules, appraisal district contacts, and productivity values for all 254 counties.

  • Texas Appraisal History

    Search all 252 Texas counties by address, owner, legal description, or map point, screen rural land by acreage and owner type, and read full appraisal and exemption history.

  • US Public Assessments

    Search official public assessment records across selected states and major cities, with up to three years where the publisher provides them.

Parcel and ownership records

Boundary, geometry, and the name the county carries.

  • US Public Parcels

    Points to the official parcel source for every US state, DC, and inhabited territory. The same query format works wherever ParcelOps has checked a public source.

  • Texas Statewide Parcels

    Official statewide Texas parcel lookup from the Texas Geographic Information Office. Fields include the address on the tax record, owner, value, land use, and tax year where published.

  • Netherlands Cadastre

    Parcel shapes for the whole Netherlands from the national land registry, Kadaster, on its official PDOK data service.

  • Regrid Premium Parcels

    Nationwide standardized Regrid parcel records for owner, land use, zoning, acreage, and assessed values, using your own Regrid API key.

  • ATTOM Property Data

    ATTOM property detail, county assessment, recorded sale history, and AVM estimates with your own ATTOM API key.

  • RentCast Property & Rents

    RentCast property records, value estimates, long-term rent estimates, and sale comparables with your own RentCast API key.

  • Florida Statewide Parcels

    Statewide 2025 parcel attributes and geometry for all 67 Florida counties.

  • BLM Public Land Survey System

    Official PLSS township, range, section, meridian, and survey geometry.

  • Louisiana State Lands

    A clearly labeled October 25, 2023 snapshot of Louisiana state-owned land tracts.

  • North Dakota Trust Surface Lands

    North Dakota trust-land surface agricultural leases and public-access attributes.

Site conditions

Flood, wildfire, soils, elevation, and the environmental record at the parcel.

Area context

Permits, lending, housing programs, and building context nearby.

Catalogued for this role, not live.

ParcelOps has these in the directory for this kind of work and has not connected them, so they answer nothing today and no link goes to them. Naming them is the point of a page like this: USACE National Structure Inventory, Census LODES Workforce Context, CDFI Fund Awards, SBA Commercial Loan Context, Spain Cadastre INSPIRE, France Cadastre, UK Land Registry INSPIRE.

What this does not cover.

The paragraph a directory of sources will not write, and the one worth reading before an answer goes into a decision someone else pays for.

  • Assessed value exists to allocate tax. It follows a statutory schedule, and several states cap or lag it by law.
  • Assessment history is published unevenly. Some counties publish many years, some publish one, and agricultural or exempt years frequently carry no value at all.
  • In non-disclosure states there is no public sale price, so the record cannot be filled in from elsewhere without becoming an estimate.
  • Condition, interior detail, and remodel history are absent from public records everywhere.

What still comes from the field.

Retrieval is the part a public record can do. The judgment is the assignment.

  • Condition, effective age, and quality, which no county file carries.
  • Comparable selection and adjustment.
  • Sale verification, especially in states where prices are not published.
  • The reconciliation and the opinion, which is the work the client is buying.

County by county.

Assessment records are published county by county on county schedules. The county pages name every county where ParcelOps has a route it has queried and checked, and the fields that route returns.

Coverage here is stated county by county rather than claimed nationally. A county gets a page once there is a route ParcelOps has queried and checked, with named fields and a check date, and a county without one is named as having none. Last checked July 30, 2026.

TexasVirginiaNorth CarolinaTennesseeNebraskaIndianaOhioMississippi

See every state and county with a checked parcel route.

Questions appraisers ask.

How many years of assessment history come back?

Whatever that county publishes, which varies widely. ParcelOps returns the years it can read with each year labeled, and returns nothing where a year is absent rather than carrying the previous value forward. Agricultural and exempt parcels often show years with no value at all, and that gap is shown as a gap.

Can I use this for comparable sales?

Only where a state publishes prices. Texas and the other non-disclosure states do not, so no public source can supply a parcel level price there. Where prices are published, treat what comes back as the record to verify rather than as the verification.

The work this sits in.

  • Residential real estate

    The parcel record, the housing programs that touch an address, and the conditions a buyer asks about.

  • Commercial real estate

    Parcel and assessment records, building programs, and the entity on the other side of the deal.

Other roles.

  • Land brokers

    The county record behind a tract, the ground under it, and the questions only a survey or a deed can settle.

  • Site selectors

    Grid, water, hazard, airspace, and parcel screening for candidate sites, before anyone signs a letter of intent.

  • Commercial real estate analysts

    The assessor record, the program geography, the environmental file, and the entity across the table.

  • Residential agents

    The county facts behind an address, the flood answer buyers ask for, and the programs a buyer may fall inside.

  • Property tax consultants

    Year by year assessment history, the parcel record, and the conditions that argue against a carried value.

  • Environmental consultants

    Facilities, releases, water, wetlands, and land reuse records around a site, with what each record actually asserts.

  • Lenders and underwriters

    The county record behind collateral, the published hazard picture, and the program geography that changes terms.

  • Title and escrow teams

    No recorded documents and no search. What is here is the county record a file gets reconciled against.

  • Real estate attorneys

    Federal rule text with its citation, open rulemaking, party records, and the property facts behind a filing.

  • Platform and integration engineers

    One endpoint across parcel, hazard, siting, program, and entity records, with per source coverage and limits published up front.

Check it against a property you already know.

The free plan includes 50 tool calls for the life of the account. They never expire and never refill, and there is no credit card. The fastest way to judge any of this is to run an address whose answer you can already verify.

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