11 A Katrina Ln
San Anselmo 94960 · Sleepy Hollow · Unincorporated Marin · Coordinates: 38.00930, -122.58378
Parcel & Assessor
- Lot size:
- 16,161 sq ft (0.37 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 11A KATRINA LN; 11 KATRINA LN
Zoning & Land Use
R1-BD — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-BD (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-BD, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-BD, a single-family residential zone. The lot is 16,161 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0289D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $2,068,000 – $2,632,000 · Status: Off market
HUD Small Area FMR (ZIP 94960) · FY 2026
Studio $2,510 · 1BR $3,010 · 2BR $3,640 · 3BR $4,650 · 4BR $4,820
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 11 Katrina Ln (adu 11a) (Issued)On this parcel
Active in "Issued" for 2.7 yr (first record Feb 12, 2024) with no new permit activity recorded in 2.3 yr.
- New commercial building at 1317 Butterfield Rd (Applied)0.12 mi NW
Active in "Applied" for 10.5 yr (first record May 2, 2016) with no new permit activity recorded in 10.5 yr. High-impact scale ($2,500,000 declared valuation across 2 permits).
- New home at 40 De Burgh Dr (Applied)0.16 mi S
Active in "Applied" for 9.2 yr (first record Jul 31, 2017) with no new permit activity recorded in 9.2 yr. High-impact scale (1 housing unit, $1,800,000 declared valuation across 3 permits).
- New home at 121 Van Tassel Ct (Issued)0.21 mi N
Active in "Issued" for 8.7 yr (first record Feb 21, 2018) with no new permit activity recorded in 8.3 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 182001 | Pool / spa | Issued | Iss. Jun 24, 2026 | $146,000 | New In-Ground Swimming Pool With Spa And Cold Plunge. |
| 177168 | Accessory dwelling unit (new or conversion) | Issued | Iss. Jul 24, 2024 | $575,000 | Remodel: Kit & Bath; Addi: M Bedrm, Expand Kit & Fam Rm; Indent Entry & Open Up Atrium; Att A D U; Reconfig Entire Roof |
| 174459 | Remodel / interior alteration | Issued | Iss. Jul 10, 2023 | $750,000 | Remodel: Kitchen, Bedrm, Bath, & Garage; Addition: Pantry, Powder Rm, Laundry Closet, Bed Ste W Full Bath; Doors & Windo… |