ZIP Code 78666 (SAN MARCOS), TX Property Records

ZIP code 78666 has 27,999 parcels on record in the ParcelAtlas database.Of these, 7,979 (28%) are owned by absentee owners — property owners whose mailing address differs from the property address. 6,436 (23%) are vacant or unimproved land, and 1,676 (6%) are owned by out-of-state investors. The average assessed value is $427,782.

28K

Total Parcels

ZIP 78666, TX

8K

Absentee Owners

28% of all parcels

6K

Vacant / Unimproved

23% of all parcels

2K

Out-of-State Owners

6% of all parcels

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How investors use ZIP 78666 data

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Find Absentee Owners

Identify the 8K property owners in ZIP 78666 who don't live at their properties — a strong indicator of motivated sellers.

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🌱

Locate Vacant Land

Browse 6K vacant or unimproved parcels in ZIP 78666 — ideal for new construction, land banking, or development.

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✈️

Target Out-of-State Investors

Reach 2K out-of-state owners who may not be actively managing their ZIP 78666 properties.

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Data sourced from public assessor records, Texas. Refreshed periodically.