Harris County Report · Houston Metro, Texas

Harris County Property Ownership Intelligence Report

Harris County anchors the Houston metropolitan area and is the third most populous county in the United States. This is the largest county dataset in the entire NPA catalog — 1,383,280 parcels mapped into 21,355 ownership concentration clusters with $181.6 billion of aggregate clustered appraised value. Coverage extends across Houston, Pasadena, Baytown, La Porte, and the full perimeter of unincorporated Harris County.

1,383,280Parcels

21,355Clusters

191,580CSV rows

$181.6BClustered value

$899

PDF + companion CSV · Instant download · 14-day refund guarantee

Purchase Report

See sample report · FAQ

Key findings

Aggregate clustered appraised value: $181.6B.

Largest NPA county dataset — 1.38M parcels. Harris County exceeds every other county in the NPA catalog by more than 80 percent. The scale means cluster patterns here carry statistical weight unmatched by any other single report. 21,355 clusters were identified from Harris Central Appraisal District certified data, with full market valuations for every parcel.

Virtual-office exclusions pre-seeded. The Westheimer corridor and Energy Corridor in Houston are known heavy-concentration zones for commercial mail receiving agencies (CMRAs) and private mailbox services. These addresses were pre-seeded into the NPA virtual office exclusion list before clustering, ensuring that apparent concentrations at registered-agent or mail-drop addresses do not appear in the cluster roster.

Full market valuations + year built. Every Harris County parcel ingested includes total market value (tot_mkt_val from HCAD PDATA) and year built joined from the building_res.txt detail table. This enables both dollar-weighted concentration analysis and pre-1950 housing stock detection across the Houston metro.

Out-of-state operators visible. Harris County ownership data reveals concentration clusters linked to mailing addresses outside Texas, including institutional SFR operators headquartered in New York, California, and Florida. The report identifies every out-of-state cluster with entity counts, parcel counts, and aggregate valuations.

Flagship Texas product. Harris County is the flagship entry in the Texas catalog and should be purchased individually by any professional focused exclusively on the Houston market. For broader Texas exposure, see the Houston Metro 2-County Bundle (Harris + Fort Bend) or the Texas Statewide 8-County Bundle.

What you receive

A complete county intelligence package — PDF report and companion CSV — delivered as instant digital downloads.

FULL-COLOR PDF

Executive dashboard, geographic treemap, scatter analysis, municipality breakdown across Houston, Pasadena, Baytown, Sugar Land-adjacent, La Porte, top clusters by two ranking methods, entity rosters for the top clusters, CSV quick-start guide, full methodology, and legal disclaimer.

COMPANION CSV

191,580 rows of structured data covering every entity in every cluster. Filter by owner state, entity count, parcel count, or aggregate valuation for custom analysis.

Who this report serves

SFR Investors

Map Houston Metro ownership concentration

See which operators control the largest parcel portfolios across Houston, Pasadena, Baytown, Sugar Land-adjacent, La Porte.

Texas Lenders

Portfolio exposure mapping

Cross-reference loan applicants against ownership clusters to assess total portfolio exposure across multiple entity names.

Title Companies

Entity concentration awareness

Identify when buyer or seller entities trace back to the same ownership clusters controlling multiple Harris County properties.

Property Managers

Out-of-state operator prospecting

Identify the out-of-state operators who need local management partners for their Harris County portfolios.

How we built this report

The report is generated from public Houston Metro-area appraisal district records. Owner names and mailing addresses are normalized, then clustered by mailing address using the same methodology applied to all NPA county reports. Government-owned properties, registered-agent addresses, corporate campus HQs, and commercial mail receiving agency (CMRA) addresses are excluded from clustering.

For complete methodology details, see the methodology page.

Get the complete Harris County analysis

PDF + CSV. Instant download. 14-day refund for material factual errors.

$899

Purchase Report

Lighter alternative

Need just the distressed individual parcels?

The Harris County Acquisition Signals CSV ($149) gives you 71,372 absentee-owned residential parcels scored on 8 distress signals — ranked CSV, no PDF, no cluster analysis.

See Acquisition Signals — $149 →