What was permitted
This permit is for significant ground improvement work on a vacant lot at 1200 Carroll Avenue in San Francisco's Bayview Hunters Point neighborhood. The project utilizes deep soil mixing technology to treat the soils in-situ, involving a continuous-blade cutter for ground stabilization.
With an estimated project cost of $1,120,000, this extensive work was issued on May 8, 2026. Swinerton Builders is the contractor responsible for this large-scale soil treatment 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 | 202604149412 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · Vacant Lot |
| Status | issued |
| Job description | the work to be performed is deep soil mixing ground improvement. this consists of treating the soils in-situ w/ soil - cement mixing technology. using a continous -blade- cutter. the dsm scope has a lenght of 325' and the dsm sheer walls are 35' by 37", which yiels a replacement ratio of 35.1%. |
| Floor / unit | — |
| Estimated cost | $1,120,000 |
| Approved | May 8, 2026 |
| Issued | May 8, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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