Looking for a custom home builder in Sebastian, FL? Describe your project once and up to three custom home builders who work in Sebastian and Indian River County get back to you with a quote. It's free and there is no obligation.
Sebastian is home to about 27,087 people (2024 Census Bureau estimate), a growing community (+8.2% since 2020). With 1,557 people per sq mi, it is a suburban area. Infill lots, teardowns and acreage on the edge of town are where custom homes get built here.
Sebastian at a glance
- Population (Census Bureau estimate, 2024)
- 27,087 (+8.2% since 2020)
- Rank in Florida
- 101st of 411 cities and towns
- Land area
- 17 sq mi
- Population density
- 1,557 people per sq mi (suburban)
- Type
- City (Sebastian city)
- Main county
- Indian River County
What to check before hiring in Sebastian
- License: in Florida, check the builder's license or registration.
- Site costs: utilities, septic, wells and driveways can add significantly.
- Contract: compare allowances and change-order rules, not just the total.
- References: visit homes the builder has finished.
Useful official resources
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NAHB: National Association of Home Builders
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Sebastian
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Custom home construction
Construction of a custom home on the owner's lot, from permit to move-in.
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Design-build
Builder who handles both the design and the construction of the home.
Frequently asked questions in Sebastian
How much does a custom home cost in Sebastian, FL?
It depends on size, finishes and site costs. Describe your project: builders who serve Sebastian reply with a quote.
How long do permits take?
From weeks to months depending on the jurisdiction.
Can I use my own plans?
Yes; builders price them and suggest changes if needed.
Which custom home builders will contact me?
Up to three independent custom home builders who serve Sebastian 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.