880 Butterfield Rd
San Anselmo 94960 · Sleepy Hollow · Unincorporated Marin · Coordinates: 38.00357, -122.57478
Parcel & Assessor
- Lot size:
- 16,204 sq ft (0.37 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 880 BUTTERFIELD RD
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 16,204 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: $1,736,000 – $2,210,000 · 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
- New home (Issued)On this parcel
Active in "Issued" for 6.7 yr (first record Feb 7, 2020) with no new permit activity recorded in 6.7 yr.
- New home at 830 Butterfield Rd (Issued)170 ft SE
Active in "Issued" for 8.2 yr (first record Aug 9, 2018) with no new permit activity recorded in 7.5 yr. High-impact scale (1 housing unit, $1,097,000 declared valuation across 2 permits).
- New home at 666 Fawn Dr (Applied)0.47 mi E
Active in "Applied" for 7.5 yr (first record Apr 29, 2019) with no new permit activity recorded in 7.5 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
- New home at 116 Holstein Rd (Issued)0.5 mi S
Active in "Issued" for 12.8 yr (first record Dec 24, 2013) with no new permit activity recorded in 12.4 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (5 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B36204 | Roof replacement | Issued | Iss. Nov 26, 2023 | $22,600 | Tear off and replacement like for like comp shingles class A fire rated shingles. full home reroof 35sqs — ReRoofing |
| B36032 | Solar / battery storage | Issued | Iss. Nov 6, 2023 | $42,086 | PV on roof 17.94kW DC 15.2kW AC 46 mods (n) 13.5KWh ESS (n) 125A sub |
| 164163 | Plumbing / water heater / sewer | Issued | Iss. Feb 7, 2020 | $2,000 | Conv. Lvg Space To Jadu |
| 164161 | Addition (adds square footage) | Issued | Iss. Feb 7, 2020 | $40,000 | Conv. Garage To Lvg Space, Struct. Rmdl T.D. 10/28/19 |