Looking for a custom home builder in St. Mary's, AK? Describe your project once and up to three custom home builders who work in St. Mary's and Kusilvak Census Area get back to you with a quote. It's free and there is no obligation.
St. Mary's is home to about 573 people (2024 Census Bureau estimate), a shrinking community (−4.8% since 2020). With 13 people per sq mi, it is a rural area. Infill lots, teardowns and acreage on the edge of town are where custom homes get built here.
St. Mary's at a glance
- Population (Census Bureau estimate, 2024)
- 573 (−4.8% since 2020)
- Rank in Alaska
- 53rd of 149 cities and towns
- Land area
- 45 sq mi
- Population density
- 13 people per sq mi (rural)
- Type
- City (St. Mary's city)
- Main county
- Kusilvak Census Area
What to check before hiring in St. Mary's
- License: in Alaska, 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 St. Mary's
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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 St. Mary's
How much does a custom home cost in St. Mary's, AK?
It depends on size, finishes and site costs. Describe your project: builders who serve St. Mary's 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 St. Mary's 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.