4 Juanita Ave
Mill Valley 94941 · Mill Valley · Coordinates: 37.90099, -122.53307
Parcel & Assessor
- Lot size:
- 4,792 sq ft (0.11 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 4 JUANITA AVE; 4 JUANITA AVE UNIT A; 4 JUANITA AVE UNIT B
Zoning & Land Use
RS-6 — Single Fam Res (min 6,000 SF) (Mill Valley)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RS-6 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RS-6, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RS-6, a single-family residential zone. The lot is 4,792 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
- 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 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)
Range: $1,821,000 – $2,463,000 · 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
Nearby Activity (½ mile radius, since October 2024)
16 active or recent development projects (16 housing units across completed, permitted, and pipeline stages) and 29 total building permits recorded within ½ mile.
- Adds housing (ADU)2 permits (2 units)
- Building systems16 permits
- Repairs1 permit
- Other10 permits
Developments Deserving Closer Investigation & Active Area Builders
- 25 new homes (Entitled)0.18 mi E
Active in "Entitled" for 3.5 yr (first record May 6, 2023) with no new permit activity recorded in 3.5 yr. High-impact scale (25 housing units, 6 deed-restricted affordable across 0 permits).
- 9 new homes (Issued)0.44 mi S
Active in "Issued" for 5.4 yr (first record Jun 9, 2021) with no new permit activity recorded in 5.4 yr. High-impact scale (9 housing units across 0 permits).
- Detached ADU (Issued)280 ft W
Active in "Issued" for 3 yr (first record Nov 16, 2023) with no new permit activity recorded in 3 yr.
- Attached ADU (Issued)0.11 mi W
Active in "Issued" for 18 mo (first record May 6, 2025) with no new permit activity recorded in 18 mo.
Permit & Project History on This Parcel (0 permits, 1 grouped projects)
No building permits recorded on this parcel in our dataset.
State HCD Housing Element APR records on this parcel: 1 entry (report years 2024).