Looking for a crawl space contractor in Seguin, TX? Describe your project once and up to three crawl space contractors who work in Seguin and Guadalupe County get back to you with a quote. It's free and there is no obligation.
Seguin is home to about 38,789 people (2024 Census Bureau estimate), a growing community (+31.7% since 2020). With 969 people per sq mi, it is a semi-rural area. Humid summers and homes built over vented crawl spaces make moisture problems common here.
Seguin at a glance
- Population (Census Bureau estimate, 2024)
- 38,789 (+31.7% since 2020)
- Rank in Texas
- 96th of 1,224 cities and towns
- Land area
- 40 sq mi
- Population density
- 969 people per sq mi (semi-rural)
- Type
- City (Seguin city)
- Main county
- Guadalupe County
What to check before hiring in Seguin
- Water first: standing water needs drainage before a vapor barrier.
- Wood damage: ask for a moisture reading and an assessment of joists and sills.
- Humidity control: check what dehumidifier or air supply is included and its maintenance.
- Price drivers: footprint, height, debris removal, drainage and repairs.
Useful official resources
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U.S. Department of Energy: Energy Saver
Official information and guidance.
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EPA: mold
Official information and guidance.
Services available in Seguin
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Crawl space encapsulation
Heavy vapor barrier on the floor and walls, sealed vents and a dehumidifier or conditioned air.
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Crawl space drainage and joist repair
Drainage, sump pump, joist or support repairs before or with encapsulation.
Frequently asked questions in Seguin
How much does crawl space encapsulation cost in Seguin, TX?
It depends on the size of the crawl space, its condition and the equipment. Describe it: contractors who serve Seguin reply with a quote.
How long does it take?
Often two to four days for a typical house.
Does it need maintenance?
Yes: the dehumidifier and any sump pump need regular checks.
Which crawl space contractors will contact me?
Up to three independent crawl space contractors who serve Seguin 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.