Looking for an architect in Martinez, CA? Describe your project once and up to three architects and designers who work in Martinez and Contra Costa County get back to you with a quote. It's free and there is no obligation.
Martinez is home to about 37,006 people (2024 Census Bureau estimate), a stable community (−0.7% since 2020). With 2,927 people per sq mi, it is a suburban area. New homes, additions and remodels here go through zoning and building review, where complete drawings are required.
Martinez at a glance
- Population (Census Bureau estimate, 2024)
- 37,006 (−0.7% since 2020)
- Rank in California
- 216th of 482 cities and towns
- Land area
- 13 sq mi
- Population density
- 2,927 people per sq mi (suburban)
- Type
- City (Martinez city)
- Main county
- Contra Costa County
What to check before hiring in Martinez
- License: in California, check the architect's license with the state board.
- Zoning: setbacks, height limits and lot coverage shape what you can build: ask the architect to check them first.
- Scope: design, permit set and construction support are often priced separately.
- Fees: compare fixed fees and percentages on the same scope.
Useful official resources
Services available in Martinez
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Custom home design
Design of a new home, from concept to permit and construction drawings.
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Addition or remodel plans
Plans for an addition or a major remodel, ready for the permit and the builder.
Frequently asked questions in Martinez
How much does an architect cost in Martinez, CA?
It depends on the project size, complexity and the services. Describe your project: architects who serve Martinez send a proposal.
How long does design take?
From a few weeks for small projects to several months for a custom home, plus permit review.
Can I use stock plans?
Yes, often adapted by a local designer to meet local codes and site conditions.
Which architects and designers will contact me?
Up to three independent architects and designers who serve Martinez 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.