Looking for a pool builder in San Marcos, TX? Describe your project once and up to three licensed pool builders who work in San Marcos and Hays County get back to you with a quote. It's free and there is no obligation.
San Marcos is home to about 74,316 people (2024 Census Bureau estimate), a growing community (+9.6% since 2020). With 1,861 people per sq mi, it is a suburban area. Long summers and backyard living make pools a frequent project here.
San Marcos at a glance
- Population (Census Bureau estimate, 2024)
- 74,316 (+9.6% since 2020)
- Rank in Texas
- 56th of 1,224 cities and towns
- Land area
- 40 sq mi
- Population density
- 1,861 people per sq mi (suburban)
- Type
- City (San Marcos city)
- Main county
- Hays County
What to check before hiring in San Marcos
- License and permit: in Texas, check the builder's license and the pool permit.
- Barrier: plan the fence and gates required by code.
- HOA: check HOA rules before signing.
- Price drivers: size, type, finish, equipment, deck and access.
Useful official resources
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Pool Safely (CPSC)
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in San Marcos
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In-ground pool construction
Design and construction of an in-ground pool with equipment, permit and barrier.
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Pool renovation
Resurfacing, tile, equipment and deck renovation of an existing pool.
Frequently asked questions in San Marcos
How much does a pool cost in San Marcos, TX?
It depends on type, size, finishes and access. Describe your project: builders who serve San Marcos reply with a quote.
When should I start?
Off-season planning often gets earlier construction dates.
Does a pool add value?
It depends on the market; in warm areas buyers often expect one.
Which licensed pool builders will contact me?
Up to three independent licensed pool builders who serve San Marcos 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.