Looking for a sinkhole investigation in Retreat, TX? Describe your project once and up to five geotechnical engineers who work in Retreat and Navarro County get back to you with a quote. It's free and there is no obligation.
Retreat is home to about 436 people (2024 Census Bureau estimate), a growing community (+6.3% since 2020). With 87 people per sq mi, it is a rural area. Karst geology makes sinkhole activity a real concern for some properties here.
Retreat at a glance
- Population (Census Bureau estimate, 2024)
- 436 (+6.3% since 2020)
- Rank in Texas
- 1,019th of 1,224 cities and towns
- Land area
- 5.0 sq mi
- Population density
- 87 people per sq mi (rural)
- Type
- Town (Retreat town)
- Main county
- Navarro County
What to check before hiring in Retreat
- License: in Texas, investigations are signed by a licensed engineer or geologist.
- Insurance: read your policy's sinkhole and ground collapse wording before you file.
- Report: ask for radar results, boring logs and clear conclusions.
- Price drivers: site size, number of borings and testing.
Useful official resources
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USGS: sinkholes
Official information and guidance.
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Florida Office of Insurance Regulation
Official information and guidance.
Services available in Retreat
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Sinkhole investigation
Geotechnical investigation with ground penetrating radar and borings, and an engineer's report.
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Sinkhole repair design
Engineering design and oversight of grouting or underpinning repairs.
Frequently asked questions in Retreat
How much does a sinkhole investigation cost in Retreat, TX?
It depends on the site and the testing. Describe your property: engineers who serve Retreat reply with a quote.
How long does it take?
Often a few weeks including field work and report.
Can a sinkhole be repaired?
Often yes, by grouting or underpinning designed by an engineer.
Which geotechnical engineers will contact me?
Up to five independent geotechnical engineers who serve Retreat and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.