FoundationMatch
Rancho Cucamonga · San Bernardino County · California

Foundation contractors in Rancho Cucamonga, CA

Tell us what you're seeing and we'll send it to one foundation company that works Rancho Cucamonga.

What to watch for here: Rancho Cucamonga's FY 2026-27 fee schedule lists a retaining wall up to 30 feet at $332.

Residents
174,693
Homes pre-1980
29.3%
Median home value
$694,400

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

Get matched with a foundation contractor in Rancho Cucamonga

Three steps cover what you're seeing, where the house is and how to reach you, and none of it costs anything.

What are you seeing?
Something else · all 11 services

Before you give us a phone number, we'll check whether anyone who works on foundations serves your ZIP.

Using this is free, because the foundation company that gets your request pays us. How it works

Foundation work in Rancho Cucamonga

Retaining walls in Rancho Cucamonga are priced by length. The Master Fee Schedule for FY 2026-27, in force from July 1, 2026, lists $332 up to 30 linear feet, $511 from 31 to 100, and $81 for each additional 50 feet. Height changes the basis. A wall over 6 feet is billed at $577 per hour, while a landscape wall retaining 3 feet costs $50 per linear foot. Shoring has its own row at $265.94, and ADA or seismic review is $172 per hour.

Alquist-Priolo Earthquake Fault Zones reach the city boundary on three of the California Geological Survey's quadrangle maps. Reaching the line doesn't mean reaching your street, and EQ Zapp settles that for one address. CGS shows no liquefaction zone and no zone for earthquake-triggered landslides in or along Rancho Cucamonga. That may only mean an unevaluated quadrangle. Housing here has a median year built of 1988, by the Census count for 2020 to 2024.

Grading is charged per plan sheet. Engineering bills $1,679 a sheet for rough grading and $2,245 for precise grading. Building & Safety, under Planning and Building & Safety in Community Development, handles the building side. Neither its inspection page nor the schedule gives a phone number, so look it up on the city site. Each permitted job's inspection is posted on the Daily Inspection Schedule page, from a water heater install up to an apartment complex.

What foundation work costs near Rancho Cucamonga

No one has sent us a quote for Rancho Cucamonga, 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 Rancho Cucamonga

If Rancho Cucamonga 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 Rancho Cucamonga

  1. Master Fee Schedule FY 2026-2027, City of Rancho Cucamonga Read Oct 23, 2026.
  2. Daily Inspection Schedule, City of Rancho Cucamonga Read Oct 22, 2026.
  3. CGS Seismic Hazard Zones: liquefaction zones Confirm it with the source itself before relying on it.
  4. CGS Seismic Hazards Program (with EQ Zapp page) Read Oct 20, 2026.
  5. ACS 5-year B25034 Year Structure Built Confirm it with the source itself before relying on it.
Ready when you are.Describe the problem, and we'll pass it to one foundation company that works Rancho Cucamonga.
Get matched
Get matched