Download the data (CSV)
Can I download the numbers behind this guide?
Yes. Each CSV below is a summary table published on this site, built from City of San Diego permits issued January 1 to October 15, 2026 and the cited price lists. Reuse is free with attribution. See the methodology page for filters, medians and limitations.
| File | What it contains | Rows | Shown on |
|---|---|---|---|
| detached-adu-cost.csv | Table "ADU type, Permits, Low (25%), Median, High (75%)" from Detached ADU Cost in San Diego (2026 Permit Data) | 3 | https://sd-adu-cost-sd.pages.dev/detached-adu-cost/ |
| garage-conversion-adu-cost.csv | Table "ADU type, Permits, Low (25%), Median, High (75%)" from Garage Conversion ADU Cost in San Diego (2026 Permit Data) | 3 | https://sd-adu-cost-sd.pages.dev/garage-conversion-adu-cost/ |
| home.csv | Table "ADU type (City of SD, 2026), Permits, Low (25%), Median, High (75%)" from San Diego ADU Cost 2026: Real City Permit Data | Free Quotes | 4 | https://sd-adu-cost-sd.pages.dev/ |
| what-comes-next.csv | Table "Next permit on the same parcel, Median gap after ADU permit, Middle half, Parcels measured" from After Your ADU: Panel, Solar, Fence & Landscaping Timing in San Diego | 4 | https://sd-adu-cost-sd.pages.dev/what-comes-next/ |