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Fullerton · Orange County · California

Foundation contractors in Fullerton, CA

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What to watch for here: Fullerton wants a foundation plan and structural calculations in a complete permit submittal.

Residents
141,278
Homes pre-1980
72.2%
Median home value
$859,600

Census figures come from the ACS 2023 five-year estimates (B01003, B25034, B25077).

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Foundation work in Fullerton

Fullerton's Building and Safety permit processing page wants detailed construction plans for most projects, drawn to show the location, nature and extent of the work. For most project types an architect or engineer holding a California license prepares them. A complete submittal under CBC Section 107 includes, where they apply, structural plans (foundation plan, framing plans, structural details and calculations) and site grading plans. Grading plan review is priced by volume on the Adopted Schedule of Fees & Charges for fiscal 2025-2026.

GES plan check is $167 for 100 cubic yards or less. From 101 to 1,000 it's $167 for the first 100 plus $20 per additional 100, and from 1,001 to 10,000 it's $344 plus $30 per additional 1,000. Building plan check is 50 percent of the GES fee, and each grading submittal after the third costs $208. The valuation table sets retaining walls at $20.00 per linear foot at 1 foot high, up to $109.00 at 8 feet.

A 2026-27 schedule may replace it, so ask the counter for the current one. The division's page points owners of vulnerable house types in high-risk areas to CRMP's Earthquake Brace + Bolt and Earthquake Soft-Story grants. Amounts aren't printed there. CGS liquefaction and quake-landslide zones each reach the city on two quadrangle maps, a boundary count that doesn't place any one lot. Census data put the median year built at 1969. To reach the division, call (714) 738-6541, the number its page gives.

What foundation work costs near Fullerton

No one has sent us a quote for Fullerton, so there's no city price here. The California page lists the estimates beside what the trades are paid, which is a wage and isn't a price ($34.09 an hour in the BLS wage data). How we estimate costs. Whoever you call, ask for an itemized written price.

Permits for foundation repair work in Fullerton

If Fullerton has its own building department, start there and ask who issues permits for foundation, waterproofing and sump work.

The California Building Standards Code says no structure may be altered, repaired or improved without a permit from the building official, and CSLB adds that requirements vary by city and county. The building department for your address decides whether a given foundation, waterproofing or sump job counts.

Sources for Fullerton

  1. Permit Processing Info, City of Fullerton Building and Safety Read Oct 23, 2026.
  2. Adopted Schedule of Fees & Charges FY 2025-2026, City of Fullerton Read Oct 23, 2026.
  3. Building and Safety, City of Fullerton Read Oct 23, 2026.
  4. CGS Seismic Hazard Zones: liquefaction zones Confirm it with the source itself before relying on it.
  5. ACS 5-year B25034 Year Structure Built Confirm it with the source itself before relying on it.
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