CostolioCompare cities: seismic retrofit (foundation)
Compare seismic retrofit (foundation) cost across California cities, side by side, from public building permits. Cities are sorted by median.
- Los Angeles$4,000Middle half $3,000 to $9,500 · 13080 permits · 2022-01-03 to 2026-10-31 · Building and Safety - Building Permits Issued from 2020 to Present (N) · checked on: 2026-11-02
- Marin County$9,422Middle half $6,000 to $37,825 · 116 permits · 2022-01-04 to 2026-10-20 · Building Permit · checked on: 2026-11-02
- San Diego$9,700Middle half $7,898 to $25,000 · 339 permits · 2022-02-10 to 2026-10-02 · Development Permits - approvals issued (set 1) · checked on: 2026-11-02
- Santa Monica$16,000Middle half $6,250 to $40,650 · 35 permits · 2024-11-27 to 2026-10-31 · Active Building & Safety Permits (active permits only) · checked on: 2026-11-02
- Elk Grove$20,343Middle half $14,000 to $28,450 · 41 permits · 2022-03-29 to 2026-10-21 · TRAKiT Building Permits · checked on: 2026-11-02
Read this first. Permit values are self-reported by the applicant to set permit fees. They often leave out materials or labor, and they are not what the contractor actually charged. A quote above or below this range can be reasonable.
Cities without a figure
San Francisco, Anaheim, Corona, Los Angeles County (unincorporated), Richmond, Sacramento, Sonoma County, Torrance: not enough usable permits yet.
Full table · Compare another project · How we get our numbers
Contains data from Marin County (all jurisdictions in dataset), under the Open Data Commons ODbL (share-alike).
Updated