201 Morning Sun Ave
Mill Valley 94941 · Almonte · Unincorporated Marin · Coordinates: 37.88586, -122.52458
Executive Verdict · Public-Records Synthesis
Zoned RSP-7 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $2,287,000 ($2,013,000–$2,561,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned RSP-7 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 6,926 sq ft lot. Local precedent is active with 3 ADU permits within ¼ mile over the last 36 months.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$183,560 contributory est.)
Public building records show issued construction/renovation work on this parcel (4 total permits, latest Jan 5, 2022).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: minimal flood hazard)
all of the lot of the parcel intersects Zone X: minimal flood hazard. Outside mandatory federal SFHA insurance rules, but check local drainage and finished-floor requirements.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home at 222 Beryl St (0.13 mi SW, issued). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
- ! Year 1 Prop 13 tax reset (~$26,751/yr at $2,287,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,229/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
Parcel & Assessor
- Lot size:
- 6,926 sq ft (0.16 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 201 MORNING SUN AVE
Zoning & Land Use
RSP-7 — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RSP-7 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RSP-7, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RSP-7, a single-family residential zone. The lot is 6,926 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)
Range: $2,013,000 – $2,561,000 · 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 222 Beryl St (Issued)0.13 mi SW
Active in "Issued" for 11.9 yr (first record Dec 23, 2014) with no new permit activity recorded in 10 yr. High-impact scale (1 housing unit, $900,000 declared valuation across 1 permit).
- New home at 217 Cleveland Ave (Issued)0.21 mi W
Active in "Issued" for 9.7 yr (first record Feb 21, 2017) with no new permit activity recorded in 2.3 yr. High-impact scale (1 housing unit, $875,000 declared valuation across 1 permit).
- Accessory dwelling unit at 131 Yale Ave A (Issued)0.28 mi NW
Active in "Issued" for 4.8 yr (first record Jan 19, 2022) with no new permit activity recorded in 3.4 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
- New home at 125 Morning Sun Ave (Issued)0.33 mi NW
Active in "Issued" for 8.1 yr (first record Oct 15, 2018) with no new permit activity recorded in 7.8 yr. High-impact scale (1 housing unit, $900,000 declared valuation across 3 permits).
Entity-resolved builders & contractors in ½ mile: Nima Construction (1 on parcel, 1 in ½ mi · Addition (adds square footage)); La Solar Group (1 on parcel, 1 in ½ mi · Solar / battery storage); Red Point Builders (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Hulbert Heating Air Conditioning (1 on parcel, 1 in ½ mi · HVAC / heat pump); Owner Builder (64 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 170325 | Solar / battery storage | Issued | Iss. Jan 5, 2022 | $20,000 | 6.8kw Rooftop Photovoltaic - Express |
| 168680 | Addition (adds square footage) | Issued | Iss. Jun 30, 2021 | $325,000 | 2 Story Addn; Remodel; Deck; Balcony |
| 151219 | HVAC / heat pump | Issued | Iss. Mar 16, 2016 | $3,100 | Repl Furnace ***Expired |
| 149601 | Remodel / interior alteration | Issued | Iss. Oct 28, 2015 | $18,600 | Bathroom Remodel - Express***Expired House Sold. |