Looking for a modular home builder in Union Gap, WA? Describe your project once and up to three modular home builders who work in Union Gap and Yakima County get back to you with a quote. It's free and there is no obligation.
Union Gap is home to about 6,582 people (2024 Census Bureau estimate), a stable community (+0.2% since 2020). With 1,180 people per sq mi, it is a suburban area. Rural lots and replacements of older homes here are good fits for modular construction.
Union Gap at a glance
- Population (Census Bureau estimate, 2024)
- 6,582 (+0.2% since 2020)
- Rank in Washington
- 116th of 281 cities and towns
- Land area
- 5.6 sq mi
- Population density
- 1,180 people per sq mi (suburban)
- Type
- City (Union Gap city)
- Main county
- Yakima County
What to check before hiring in Union Gap
- Code: in Washington, modular homes are built to the state or local building code.
- Site work: foundation, utilities, crane access and finishes must be in the quote.
- Access: delivery trucks and cranes need road and lot access.
- Price drivers: size, finishes, transport distance and site work.
Useful official resources
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Modular Home Builders Association
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Union Gap
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Modular home
Factory-built modular home delivered and set on a site-built foundation, with finish work.
Frequently asked questions in Union Gap
How much does a modular home cost in Union Gap, WA?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Union Gap reply with a quote.
How long does it take?
Often a few months from order to move-in.
Can I customize the design?
Most modular builders offer customizable plans.
Which modular home builders will contact me?
Up to three independent modular home builders who serve Union Gap 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.