Parcel Context · Public-Records Property BriefAPN 051-055-36
123 Morning Sun Ave
Mill Valley 94941 · Almonte · Unincorporated Marin · Coordinates: 37.88895, -122.52943
Parcel & Assessor
- Lot size:
- 6,578 sq ft (0.15 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 123 MORNING SUN AVE
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 lotLikely eligible
Zoned R1-B1, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-B1, a single-family residential zone. The lot is 6,578 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 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)
HUD Small Area FMR (ZIP 94941) · FY 2026
Studio $2,730 · 1BR $3,270 · 2BR $3,960 · 3BR $5,060 · 4BR $5,240
ACS 2020–2024 Median Gross Rent (Almonte):$3,500+ Source: ACS 2020–2024 5-year estimates. Geography: Almonte.
ACS 2020–2024 Median Gross Rent (ZIP 94941):$3,100±$331 Source: ACS 2020–2024 5-year estimates. Geography: Mill Valley.
Zillow Home Value Index (ZIP 94941, September 2026):$2,181,389
ACS 2020–2024 Median Home Value (Almonte):$1,843,000±$87,700 Source: ACS 2020–2024 5-year estimates. Geography: Almonte.
ACS 2020–2024 Median Home Value (ZIP 94941):$2,000,000+ Source: ACS 2020–2024 5-year estimates. Geography: Mill Valley.
Nearby Activity (½ mile radius, since October 2024)
15 active or recent development projects (13 housing units across completed, permitted, and pipeline stages) and 432 total building permits recorded within ½ mile.
- New construction9 permits (3 units)
- Adds housing (ADU)9 permits (9 units)
- Demolition1 permit
- Additions & renovations31 permits
- Building systems310 permits
- Repairs17 permits
- Other55 permits
Permit & Project History on This Parcel (3 permits, 1 grouped projects)
Demolition at 123 Morning Sun AveStage: Applied · $20,000 declared valuation · Last record Oct 9, 2026
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 94565 | Demolition | Applied | App. Oct 9, 2026 | $20,000 | Complete Demolition And In-Kind Replacement Of (E) Rear Elevated Wood Deck. No Change To Dwelling, Footprint, Floor Area… |
| B47111 | Roof replacement | Issued | Iss. Jun 12, 2026 | $20,000 | ReRoofing |
| B27363 | Plumbing / water heater / sewer | Issued | Iss. Oct 11, 2021 | $4,715 | Remove/replace gas water heater. — Replace Plumbing Fixtures(s) |