Looking for a modular home builder in Hayward, CA? Describe your project once and up to three modular home builders who work in Hayward and Alameda County get back to you with a quote. It's free and there is no obligation.
Hayward is home to about 158,440 people (2024 Census Bureau estimate), a shrinking community (−2.8% since 2020). With 3,458 people per sq mi, it is a suburban area. Rural lots and replacements of older homes here are good fits for modular construction.
Hayward at a glance
- Population (Census Bureau estimate, 2024)
- 158,440 (−2.8% since 2020)
- Rank in California
- 36th of 482 cities and towns
- Land area
- 46 sq mi
- Population density
- 3,458 people per sq mi (suburban)
- Type
- City (Hayward city)
- Main county
- Alameda County
What to check before hiring in Hayward
- 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 Hayward
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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 Hayward
How much does a modular home cost in Hayward, CA?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Hayward 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 Hayward 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.