Seismic retrofit cost in Los Angeles (2026)
The typical seismic retrofit in Los Angeles was valued at $40,000 on its city permit (middle half: $30,000 to $60,000), across 5,055 seismic retrofits with city permits issued from January 2020 to May 2023. Houses (1 or 2 units) had a median of $10,000 (245 jobs); apartment buildings, $40,000 (4,810 jobs).
How the values spread
The numbers behind the chart
| Value on the permit | Jobs | Share |
|---|---|---|
| Under $20,000 | 444 | 9% |
| $20,000 to $40,000 | 1,726 | 34% |
| $40,000 to $60,000 | 1,126 | 22% |
| $60,000 to $80,000 | 957 | 19% |
| $80,000 to $100,000 | 385 | 8% |
| $100,000 and over | 417 | 8% |
Seismic retrofit contractors with the most jobs in Los Angeles
| Rank | Contractor | Jobs | Contact |
|---|---|---|---|
| 1 | Optimum Seismic Inc Vernon, licensed 10 years | Call (323) 605-0000 | |
| 2 | American Retrofitters Corp Van Nuys, licensed 10 years | Call (844) 527-3876 | |
| 3 | Titan Contracting Services Inc North Hollywood, licensed 14 years | Visit website |
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By area
| Area | Jobs | Median | Middle half |
|---|---|---|---|
| All of Los Angeles | 5,055 | $40,000 | $30,000 to $60,000 |
| The San Fernando Valley | 1,441 | $40,000 | $30,000 to $70,000 |
By ZIP code
The 12 ZIP codes with the most seismic retrofits valued on the permit (at least 20 each).
| ZIP code | Jobs | Median | Middle half |
|---|---|---|---|
| 90034 | 360 | $40,000 | $30,000 to $60,000 |
| 90025 | 307 | $50,000 | $30,000 to $65,000 |
| 90066 | 169 | $50,000 | $30,000 to $70,000 |
| 90035 | 169 | $40,000 | $30,000 to $50,000 |
| 90019 | 141 | $40,000 | $30,000 to $60,000 |
| 90008 | 131 | $31,000 | $22,000 to $60,000 |
| 90027 | 129 | $40,000 | $25,000 to $60,000 |
| 90049 | 119 | $50,000 | $30,000 to $68,000 |
| 90038 | 117 | $50,000 | $30,000 to $70,000 |
| 90026 | 110 | $30,000 | $20,000 to $50,000 |
| 90004 | 109 | $40,000 | $30,000 to $60,000 |
| 91601 | 101 | $40,000 | $30,000 to $60,000 |
By year
| Year | Jobs | Median | Middle half |
|---|---|---|---|
| 2020 | 2,195 | $45,000 | $30,000 to $65,000 |
| 2021 | 1,371 | $40,000 | $30,000 to $60,000 |
| 2022 | 1,195 | $40,000 | $24,000 to $60,000 |
| 2023 (January to May) | 294 | $35,000 | $20,000 to $60,000 |
What the records show
- Share of jobs in each budget range: under $5,000: 2% (117 of 5,055); $5,000 to $10,000: 2% (86 of 5,055); $10,000 to $25,000: 18% (905 of 5,055); over $25,000: 78% (3,947 of 5,055).
- Building type: houses (1 or 2 units), median $10,000 (245 jobs); apartment buildings, median $40,000 (4,810 jobs).
- The median was $45,000 in 2020 (2,195 jobs) and $40,000 in 2022 (1,195 jobs), down 11%.
- Across the ZIP codes above, the median ran from $30,000 in 90026 to $50,000 in 90025.
Every figure here is the job value written on the city permit, not the price paid. Permit values usually run below the final price, so get more than one quote. Values under $1,000 are placeholders and are left out, as are commercial jobs. Median and middle half: half of the jobs were valued above the median; the middle half runs from the 25th to the 75th percentile. Source: City of Los Angeles building permits, from January 2020 to May 2023. Data updated September 24, 2026. The same figures as data: seismic-retrofit.json.