Looking for a custom home builder in Monrovia, CA? Describe your project once and up to three custom home builders who work in Monrovia and Los Angeles County get back to you with a quote. It's free and there is no obligation.
Monrovia is home to about 37,787 people (2024 Census Bureau estimate), a stable community (−0.4% since 2020). With 2,772 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.
Monrovia at a glance
- Population (Census Bureau estimate, 2024)
- 37,787 (−0.4% since 2020)
- Rank in California
- 211th of 482 cities and towns
- Land area
- 14 sq mi
- Population density
- 2,772 people per sq mi (suburban)
- Type
- City (Monrovia city)
- Main county
- Los Angeles County
What to check before hiring in Monrovia
- License: in California, 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 Monrovia
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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 Monrovia
How much does a custom home cost in Monrovia, CA?
It depends on size, finishes and site costs. Describe your project: builders who serve Monrovia 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 Monrovia 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.