Looking for an addition contractor in Hart, TX? Describe your project once and up to three addition contractors who work in Hart and Castro County get back to you with a quote. It's free and there is no obligation.
Hart is home to about 881 people (2024 Census Bureau estimate), a growing community (+1.4% since 2020). With 1,193 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
Hart at a glance
- Population (Census Bureau estimate, 2024)
- 881 (+1.4% since 2020)
- Rank in Texas
- 847th of 1,224 cities and towns
- Land area
- 0.7 sq mi
- Population density
- 1,193 people per sq mi (suburban)
- Type
- City (Hart city)
- Main county
- Castro County
What to check before hiring in Hart
- Zoning: check Hart's setbacks, lot coverage and height limits first.
- License and permit: in Texas, additions are built by licensed contractors under a permit.
- Structure: second stories need an engineer to check the existing house.
- Price drivers: size, foundation, roof tie-in, plumbing and finishes.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Hart
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Room addition
Ground-floor addition with foundation, framing, roof and finishes.
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Second-story addition
New floor over the existing house, with structural engineering.
Frequently asked questions in Hart
How much does an addition cost in Hart, TX?
It depends on size, foundation and finishes. Describe your project: contractors who serve Hart reply with a quote.
How long does it take?
Often a few months, plus design and permits.
Does an addition raise property taxes?
Usually, since it increases the assessed value.
Which addition contractors will contact me?
Up to three independent addition contractors who serve Hart 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.