29 A Meadow Dr
Mill Valley 94941 · Alto · Unincorporated Marin · Coordinates: 37.90489, -122.51884
Parcel & Assessor
- Lot size:
- 7,275 sq ft (0.17 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 29A MEADOW DR; 29 MEADOW DR
Zoning & Land Use
R1-B1 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned R1-B1, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AO) covers about 26% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned R1-B1, a single-family residential zone. The lot is 7,275 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone AO) covers about 26% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
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 AO: 1% annual chance flood (Special Flood Hazard Area) (about 26% of the lot); Zone X: minimal flood hazard (about 74% of the lot) · FIRM panel 06041C0469F, effective March 16, 2016
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $2,201,000 – $2,801,000 · Status: Off market
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
- Accessory dwelling unit at 55 Plaza Dr (adu 55a) (Issued)330 ft SE
Active in "Issued" for 2.5 yr (first record Apr 17, 2024) with no new permit activity recorded in 19 mo. High-impact scale (1 housing unit, $790,000 declared valuation across 1 permit).
- New home at 30 Shell Rd (Issued)0.11 mi N
Active in "Issued" for 2.3 yr (first record Jul 5, 2024) with no new permit activity recorded in 22 mo. High-impact scale (1 housing unit, $2,800,000 declared valuation across 1 permit).
- Accessory dwelling unit at 29 Meadow Dr (a D U 29 A) (Issued)On this parcel
Active in "Issued" for 17 mo (first record May 28, 2025) with no new permit activity recorded in 12 mo.
- New home at 55 Thomas Dr (Applied)0.37 mi E
Active in "Applied" for 6.2 yr (first record Sep 1, 2020) with no new permit activity recorded in 6.2 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
Permit & Project History on This Parcel (7 permits, 2 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94454 | Addition (adds square footage) | Applied | App. Aug 17, 2026 | $3,000 | Enclosing 12ft By 4 Ft Porch. Total Of 48 Sq Ft. To Become Foyer To Main House. |
| 94052 | Accessory dwelling unit (new or conversion) | Applied | App. Mar 9, 2026 | $3,000 | Convert (E) Master Bedroom Into J A D U. Will Add Kitchenette And Appliances - Related To 179454 And Combined In Pdox |
| 180400 | Accessory dwelling unit (new or conversion) | Issued | Iss. Oct 31, 2025 | $100,000 | New 2 Story Detached A D U |