226 Louisburg St
San Francisco · Oceanview/Merced/Ingleside · San Francisco · Coordinates: 37.72024, -122.45058
Parcel & Assessor
- Lot size:
- —
- Assessor use:
- —
- Addresses on lot:
- 226A LOUISBURG ST; 226 LOUISBURG ST
Zoning & Land Use
RTO-C — RESIDENTIAL TRANSIT ORIENTED DISTRICT - C (Commercial)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RTO-C (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RTO-C (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RTO-C (multifamily residential), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 0602980230A, effective March 23, 2021
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,194,000 – $1,616,000 · Status: Off market
HUD Metro FMR (San Francisco, CA HUD Metro FMR Area) · FY 2026
Studio $2,485 · 1BR $2,977 · 2BR $3,604 · 3BR $4,604 · 4BR $4,772
Nearby Activity (½ mile radius, since October 2024)
22 active or recent development projects (424 housing units across completed, permitted, and pipeline stages) and 493 total building permits recorded within ½ mile.
- New construction5 permits (533 units)
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 226a Louisburg St (Issued)On this parcel
Active in "Issued" for 2.3 yr (first record Jul 15, 2024) with no new permit activity recorded in 20 mo.
- 35 new homes (Entitled)0.42 mi NE
Active in "Entitled" for 4.4 yr (first record May 19, 2022) with no new permit activity recorded in 4.4 yr. High-impact scale (35 housing units, 6 deed-restricted affordable across 0 permits).
- New duplex at 6 Caine Ave (Issued)0.15 mi S
Active in "Issued" for 3.3 yr (first record Jul 14, 2023) with no new permit activity recorded in 2.1 yr. High-impact scale (2 housing units, $1,596,398 declared valuation across 1 permit).
- Balboa Reservoir Development (Issued)0.45 mi NW
Active in "Issued" for 4.4 yr (first record Jun 17, 2022) with no new permit activity recorded in 11 mo. High-impact scale (159 housing units, 184 deed-restricted affordable, $97,000,000 declared valuation across 8 permits).
Permit & Project History on This Parcel (4 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 202607305801 | Remodel / interior alteration | issued | Iss. Aug 18, 2026 | $1 | to obtain final inspection for work approved under pa# 202407186748. all work is complete. |
| 202507090440 | Roof replacement | filed | App. Jul 9, 2025 | $10,000 | replace the roof (same as original, no changes). no hot works. |
| 202503263111 | Plan revision / deferred submittal | issued | Iss. May 2, 2025 | $1 | rev pa 202407186748, relocate minisplit to rear, remove door from adu to garage. (e) water heater & furnace remain same … |
| 202407186748 | Accessory dwelling unit (new or conversion) | issued | Iss. Feb 26, 2025 |