Looking for a sinkhole investigation in Bonham, TX? Describe your project once and up to three geotechnical engineers who work in Bonham and Fannin County get back to you with a quote. It's free and there is no obligation.
Bonham is home to about 11,115 people (2024 Census Bureau estimate), a growing community (+7.5% since 2020). With 1,130 people per sq mi, it is a suburban area. Karst geology makes sinkhole activity a real concern for some properties here.
Bonham at a glance
- Population (Census Bureau estimate, 2024)
- 11,115 (+7.5% since 2020)
- Rank in Texas
- 230th of 1,224 cities and towns
- Land area
- 9.8 sq mi
- Population density
- 1,130 people per sq mi (suburban)
- Type
- City (Bonham city)
- Main county
- Fannin County
What to check before hiring in Bonham
- 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 Bonham
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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 Bonham
How much does a sinkhole investigation cost in Bonham, TX?
It depends on the site and the testing. Describe your property: engineers who serve Bonham 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 three independent geotechnical engineers who serve Bonham 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.