County · code 48285
Lavaca CountyTexas
Lavaca County is a county in Texas with its seat in Hallettsville, formed in 1846.
- Founded1846
- County seatHallettsville
- Named forLavaca River, Texas
- Land area970 sq mi + 0.7 sq mi water
- Population20,337 2020 Census
- Parcels mapped19,867 checked 15 October 2026
Where it is
Lavaca on the map of Texas
Texas has 254 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1846 from Colorado County, Fayette County and Gonzales County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Lavaca County was created on April 6, 1846, from Colorado, Fayette, and Gonzales counties, and was named after the Lavaca River. The county was fully organized by July 13, 1846, and gained small areas from Fayette and Gonzales counties in 1854 and 1856.
- 1846Lavaca County created Lavaca created from Colorado, Fayette, Gonzales, and Non-County Area 8; Lavaca not fully organized. · Texas Laws 1846, 1st leg./p. 49
- 1846Changed Lavaca fully organized. · Kennedy, 123
- 1854
- 1856Gained territory Lavaca gained small area from Gonzales. · Texas Laws 1856, 6th leg., adj. sess., ch. 114/p. 43
Land and parcels
What the maps cover in Lavaca
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 19,867 parcels from Lavaca County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 15 October 2026 -
Address points Official
One point per address, 14,020 in all from Texas Geographic Information Office (TxGIO, formerly TNRIS), a division of the Texas Water Development Board; StratMap program.
checked 14 October 2026 -
Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Lavaca by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Permits
County government
- County government
The official website of Lavaca County.
See your own lot on these maps
Open Lavaca County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Lavaca County
- When was Lavaca County founded?
- Lavaca County was founded in 1846, formed from Colorado County, Fayette County and Gonzales County, and named after Lavaca River, Texas.
- What is the county seat of Lavaca County?
- The county seat of Lavaca County is Hallettsville.
- Is there an online parcel map for Lavaca County?
- Yes. Lavaca County publishes a parcel map of 19,867 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Lavaca County's boundary or name changed?
- Lavaca County was created in 1846 from Colorado County, Fayette County and Gonzales County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Fayette County and Gonzales County.
- Who issues building permits in Lavaca County?
- The county's page on building permits: Permits & Applications. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Lavaca County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby