200 A Chapman Rd
Mill Valley 94941 · Homestead · Unincorporated Marin · Coordinates: 37.89464, -122.54171
Parcel & Assessor
- Lot size:
- 10,280 sq ft (0.24 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 200A CHAPMAN RD; 200 CHAPMAN RD
Zoning & Land Use
R1 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1, a single-family residential zone. The lot is 10,280 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
- High Fire Hazard Severity Zone (State Responsibility Area) (about 16% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 84% of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0468F, effective March 16, 2016
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
HUD Small Area FMR (ZIP 94941) · FY 2026
Studio $2,730 · 1BR $3,270 · 2BR $3,960 · 3BR $5,060 · 4BR $5,240
Developments Deserving Closer Investigation & Active Area Builders
- New home at 204 Reed St (Issued)460 ft SE
Active in "Issued" for 4.2 yr (first record Aug 5, 2022) with no new permit activity recorded in 3.5 yr. High-impact scale (1 housing unit, $950,000 declared valuation across 1 permit).
- New home at 210 Brabo Ter (Issued)0.11 mi S
Active in "Issued" for 3 yr (first record Oct 12, 2023) with no new permit activity recorded in 2.6 yr. High-impact scale (1 housing unit, $850,000 declared valuation across 1 permit).
- New home at 107 Montford Ave (Issued)0.14 mi N
Active in "Issued" for 3.9 yr (first record Dec 15, 2022) with no new permit activity recorded in 2.5 yr. High-impact scale (1 housing unit, $1,375,000 declared valuation across 1 permit).
- Accessory dwelling unit at 408 Laverne Ave (adu 408a) (Issued)0.44 mi NW
Active in "Issued" for 2.3 yr (first record Jul 12, 2024) with no new permit activity recorded in 14 mo. High-impact scale (1 housing unit, $2,700,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (4 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 182501 | Accessory dwelling unit (new or conversion) | Issued | Iss. Sep 2, 2026 | $440,000 | Rmdl; Addn, Demo Deck/Fireplace, Convrt Entry To Living, Reconfig Hallway, Convrt Playroom To J A D U, (N) Attached A D … |
| B36223 | HVAC / heat pump | Issued | Iss. Nov 27, 2023 | $8,523 | CHANGE OUT 80K BTU FURNACE UNDER THE HOUSE (96%) — Replace Mechanical Appliance |
| 164387 | Solar / battery storage | Issued | Iss. Mar 4, 2020 | $25,189 | Rooftop Solar 8.16 K W; Battery Storage - Fast Track |
| 85078 | Solar / battery storage | Applied | App. Jan 9, 2020 |