# Seismic retrofit (foundation) cost in Elk Grove | Costolio URL: https://costolio.com/home/seismic-retrofit-foundation-cost/elk-grove/ Updated: 2026-11-02 # Seismic retrofit (foundation) cost in Elk Grove In Elk Grove, the median declared value on 41 seismic retrofit (foundation) permits issued 2022-03-29 to 2026-10-21 was $20,343, according to TRAKiT Building Permits permit data (checked 2026-11-02). n = 41 permits Median$20,343 25th percentile$14,000 75th percentile$28,450 ## Seismic retrofit (foundation) cost in Elk Grove: permit figures 41 permits · 2022-03-29 to 2026-10-21 · [TRAKiT Building Permits](https://webmaps.elkgrove.gov/arcgis/rest/services/AGOL/TRAKiT_Building_Permits/FeatureServer/0) | Figure | Value | | Median | $20,343 | | 25th percentile | $14,000 | | 75th percentile | $28,450 | How this was counted41 permits · 2022-03-29 to 2026-10-21 · Source: [TRAKiT Building Permits](https://webmaps.elkgrove.gov/arcgis/rest/services/AGOL/TRAKiT_Building_Permits/FeatureServer/0) · Filter: https://webmaps.elkgrove.gov/arcgis/rest/services/AGOL/TRAKiT_Building_Permits/FeatureServer/0/query where=(1=1) AND ISSUED_DATE >= DATE '2022-01-01' ; rule: keyword /SEISMIC|SOFT[- ]STORY|CRIPPLE WALL|BRACE (AND|&) BOLT|EARTHQUAKE BRAC|FOUNDATION (BOLT|ANCHOR|RETROFIT|REPAIR|REPLACE|UPGRADE)|ANCHOR BOLT|SILL PLATE ANCHOR|\bEBB\b/ AND NOT /EARTHQUAKE (SHUT|VALVE)|SEISMIC (GAS|VALVE|SHUT)|STRAP|WATER HEATER|SOLAR|NEW (SFD|S\.?F\.?D|SINGLE[- ]FAMILY|DWELLING|HOUSE|HOME|BUILDING|\d+[- ]STORY|DUPLEX|CONDO|APARTMENT)|ADDITION|\bADU\b|REMODEL|TENANT|SIGN/ ; residential only ; cost>0 · Pulled: 2026-11-02T14:19:22-08:00 · Checked on: 2026-11-02 ## What a seismic retrofit (foundation) permit usually covers Bolting the house to its foundation and bracing cripple walls. Usually anchor bolts, cripple wall bracing and hardware the inspector checks. Engineering reports, foundation replacement and finish work are often separate. ## Seismic retrofit (foundation) in Elk Grove compared with other places Among the 5 places where we have seismic retrofit (foundation) figures, Elk Grove has the median at position 5 from lowest. Lower medians: Los Angeles, Marin County, San Diego, Santa Monica. Elk Grove has the highest median of these. Other Elk Grove projects with figures: Water heater replacement, HVAC replacement, Window replacement, Electrical panel upgrade. 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. ## About this Elk Grove sample - 41 permits after dropping $0 or blank values (0% of keyword matches had no cost) - cost field JOB_VALUE in TRAKiT Building Permits - permits issued 2022-03-29 to 2026-10-21 ## Seismic retrofit (foundation) permits in Elk Grove by year 11 of these permits were issued in 2025, the busiest year in this sample. Counting only full years, the number of permits went up in 2024, then up in 2025. 2022 and 2026 are partial years here, so their counts are lower. Seismic retrofit (foundation) permits and median in Elk Grove by year | Year issued | Permits | Median | | 2022 | 7 | fewer than 30 permits | | 2023 | 4 | fewer than 30 permits | | 2024 | 8 | fewer than 30 permits | | 2025 | 11 | fewer than 30 permits | | 2026 | 11 | fewer than 30 permits | ## Other work listed on the same Elk Grove permits None of the 41 Elk Grove seismic retrofit (foundation) permit descriptions we read mention other major work alongside it. ## How we matched seismic retrofit (foundation) permits in Elk Grove Elk Grove has no permit type for this work, so we count a permit when its description mentions seismic, soft-story, cripple wall, brace and bolt or foundation bolting and repair. We leave out permits whose description mentions earthquake gas shut-off valves, seismic gas shut-off valves, water heater straps, water heaters, solar, new homes and buildings, additions, ADUs, remodels, tenant work or signs. We keep only permits for homes, not commercial buildings, and only permits with a declared value above $0. Counted from the same 41 permits as the figures above (2022-03-29 to 2026-10-21). Source: [TRAKiT Building Permits](https://webmaps.elkgrove.gov/arcgis/rest/services/AGOL/TRAKiT_Building_Permits/FeatureServer/0). ## Related - [Seismic retrofit (foundation) in Los Angeles](https://costolio.com/home/seismic-retrofit-foundation-cost/los-angeles/) - [Seismic retrofit (foundation) in Marin County](https://costolio.com/home/seismic-retrofit-foundation-cost/marin-county/) - [All costs in Elk Grove](https://costolio.com/home/cities/elk-grove/) - [Compare my quote with permit records](https://costolio.com/home/quote-check/?project=seismic-retrofit-foundation&city=elk-grove) [Got a quote?See where it sits next to these permit values.](https://costolio.com/home/quote-check/?project=seismic-retrofit-foundation&city=elk-grove) Contains data from Marin County (all jurisdictions in dataset), under the [Open Data Commons ODbL](https://opendatacommons.org/licenses/odbl/1-0/) (share-alike).