Looking for a modular home builder in Simi Valley, CA? Describe your project once and up to three modular home builders who work in Simi Valley and Ventura County get back to you with a quote. It's free and there is no obligation.
Simi Valley is home to about 125,778 people (2024 Census Bureau estimate), a stable community (−0.5% since 2020). With 3,027 people per sq mi, it is a suburban area. Rural lots and replacements of older homes here are good fits for modular construction.
Simi Valley at a glance
- Population (Census Bureau estimate, 2024)
- 125,778 (−0.5% since 2020)
- Rank in California
- 48th of 482 cities and towns
- Land area
- 42 sq mi
- Population density
- 3,027 people per sq mi (suburban)
- Type
- City (Simi Valley city)
- Main county
- Ventura County
What to check before hiring in Simi Valley
- Code: in California, 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 Simi Valley
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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 Simi Valley
How much does a modular home cost in Simi Valley, CA?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Simi Valley 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 Simi Valley 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.