What was permitted
Homeowners in San Francisco's Lone Mountain/USF neighborhood can use this permit to understand the costs associated with foundation waterproofing. This project involved installing an exterior French drain system to protect the foundation.
Issued on September 9, 2026, this significant foundation work had an estimated cost of $20,000. Sfr Builders Inc was the contractor for this project.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 202609097860 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · 2 Family Dwelling |
| Status | issued |
| Job description | install exterior french drain and foundation waterproofing system along (e) foundation. include excavation of 4 in perfroated sdr 35 piping drain rock, filter fabric waterproofing membrane and replacement of (e) sump pump with connection to (e) discharge. backfill disturbed area upon completion. |
| Floor / unit | — |
| Estimated cost | $20,000 |
| Approved | September 9, 2026 |
| Issued | September 9, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
foundation waterproofingFrench drainLone Mountain/USFSan Franciscoalterations2 family dwelling$20,000