50 Great Circle Dr
Mill Valley 94941 · Strawberry · Unincorporated Marin · Coordinates: 37.88019, -122.50121
Parcel & Assessor
- Lot size:
- 13,983 sq ft (0.32 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 50 GREAT CIRCLE DR
Zoning & Land Use
RSP-5-BFC — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-5-BFC (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned RSP-5-BFC, a single-family residential zone. FEMA Special Flood Hazard Area (Zone VE) covers about 3% 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 RSP-5-BFC, a single-family residential zone. The lot is 13,983 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 VE) covers about 3% 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 VE: 1% annual chance flood (Special Flood Hazard Area) (about 3% of the lot); Zone X: minimal flood hazard (about 97% 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: $2,218,000 – $2,822,000 · 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
- New home at 50 Great Cir Dr (Issued)On this parcel
Active in "Issued" for 20 mo (first record Feb 18, 2025) with no new permit activity recorded in 16 mo.
- New home at 20 Issaquah Dock (Issued)0.45 mi S
Active in "Issued" for 15 mo (first record Aug 4, 2025) with no new permit activity recorded in 10 mo. High-impact scale (1 housing unit, $950,000 declared valuation across 1 permit).
- Demolition at 129 Great Cir Dr (Issued)430 ft NE
Active in "Issued" for 6.6 yr (first record Apr 1, 2020) with no new permit activity recorded in 6.5 yr.
- New home (Entitled)0.13 mi N
Active in "Entitled" for 5.1 yr (first record Sep 30, 2021) with no new permit activity recorded in 5.1 yr.
Permit & Project History on This Parcel (5 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 179517 | Remodel / interior alteration | Issued | Iss. Jun 27, 2025 | $205,325 | New J A D U In Crawl Space; Conv Storage/Mech To Elevator Room; Furnace; W/H |
| 178264 | Addition (adds square footage) | Issued | Iss. Dec 9, 2024 | $55,000 | Install Two Stop Residential Elevator; Remodel & Addition @ Lower Lvl And Bedrm Closet |
| B36058 | Solar / battery storage | Issued | Iss. Nov 20, 2023 | $54,000 | 8.7kw solar pv with tesla power wall (battery) |
| 173858 | Remodel / interior alteration | Issued | Iss. Apr 21, 2023 | $180,000 |