Looking for a pro to remove a load-bearing wall in San Mateo, CA? Describe your project once and up to three licensed contractors and engineers who work in San Mateo and San Mateo County get back to you with a quote. It's free and there is no obligation.
San Mateo is home to about 103,006 people (2024 Census Bureau estimate), a shrinking community (−2.5% since 2020). With 8,489 people per sq mi, it is a densely built-up area. Opening kitchens and living rooms is one of the most requested remodels in homes built before open floor plans became the norm.
San Mateo at a glance
- Population (Census Bureau estimate, 2024)
- 103,006 (−2.5% since 2020)
- Rank in California
- 71st of 482 cities and towns
- Land area
- 12 sq mi
- Population density
- 8,489 people per sq mi (densely built-up)
- Type
- City (San Mateo city)
- Main county
- San Mateo County
What to check before hiring in San Mateo
- Permit: in California, removing a load-bearing wall requires a building permit and an inspection.
- Engineering: many building departments ask for a stamped beam calculation; your contractor can coordinate it.
- Hidden extras: wiring, plumbing or ducts in the wall, and floor and ceiling repairs.
- Price drivers: span, loads above, beam type (wood, LVL or steel) and finishing.
Useful official resources
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NCEES: state licensing boards
Find your state board to check an engineer's license.
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ICC: International Code Council
Publisher of the building codes most states and cities adopt.
Services available in San Mateo
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Load-bearing wall removal with beam
Removal of the wall with temporary shoring, a new beam and posts, the permit and the finishing.
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Engineer's beam calculation
Visit and stamped beam and post calculation by a licensed engineer, for the permit and the contractor.
Frequently asked questions in San Mateo
How much does it cost to remove a load-bearing wall in San Mateo, CA?
It depends on the span, the loads, the beam and the finishing. Describe your wall: pros who serve San Mateo reply with a quote.
How long does it take?
The structural work often takes a few days; permits and finishing add time.
Do I need an engineer?
Often yes, especially for long spans or several floors above. Some building departments accept code tables for simple cases.
Which licensed contractors and engineers will contact me?
Up to three independent licensed contractors and engineers who serve San Mateo 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.