18 Sunnyside Dr
Point Reyes Station 94956 · Inverness · Unincorporated Marin · Coordinates: 38.07472, -122.84108
Executive Verdict · Public-Records Synthesis
Zoned C-RSP-0.25 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,832,000 ($1,612,000–$2,052,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned C-RSP-0.25 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 99,317 sq ft lot. Local precedent is active with 1 ADU permit within ¼ mile over the last 36 months.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ 2 documented municipal building permits on file
On-parcel permit history is indexed through May 26, 2015, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
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)
- ! CAL FIRE High Fire Hazard Severity Zone (State Responsibility Area) (all of the lot of lot)
Located in a mapped Fire Hazard Severity Zone. Expect Chapter 7A ignition-resistant building standards, defensible-space inspections, and stricter property insurance underwriting.
Source: CAL FIRE FHSZ (map Apr 1, 2024)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: New home at 372 Drakes View Dr (0.35 mi W, 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 (~$21,518/yr at $1,832,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,793/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:
- 99,317 sq ft (2.28 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 18 SUNNYSIDE DR
Zoning & Land Use
C-RSP-0.25 — Residential Single Family Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned C-RSP-0.25 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned C-RSP-0.25, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned C-RSP-0.25, a single-family residential zone. The lot is 99,317 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
- High Fire Hazard Severity Zone (State Responsibility Area) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0229E, effective August 15, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,612,000 – $2,052,000 · Status: Off market
HUD Small Area FMR (ZIP 94956) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,730 · 4BR $3,960
Developments Deserving Closer Investigation & Active Area Builders
- New home at 372 Drakes View Dr (Issued)0.35 mi W
Active in "Issued" for 5.1 yr (first record Oct 1, 2021) with no new permit activity recorded in 3.2 yr. High-impact scale (1 housing unit, $800,000 declared valuation across 1 permit).
- Accessory dwelling unit at 19 Sunnyside Dr (Issued)210 ft N
Active in "Issued" for 2.7 yr (first record Feb 29, 2024) with no new permit activity recorded in 2.3 yr.
- New home at 21 Sunnyside Dr (aka 19) (Issued)210 ft N
Active in "Issued" for 4 yr (first record Dec 1, 2022) with no new permit activity recorded in 3.2 yr.
- New home at 29 Drakes View Dr (Issued)0.33 mi E
Active in "Issued" for 9.1 yr (first record Sep 19, 2017) with no new permit activity recorded in 8.9 yr.
Entity-resolved builders & contractors in ½ mile: Henris Roofing (2 on parcel, 2 in ½ mi · Roof replacement); Sawyer Construction (4 in ½ mi · New garage / accessory structure); Arrow Construction And Remodeling (3 in ½ mi · Addition (adds square footage)); Owner Builder (3 in ½ mi · New single-family home); Tim Graveson (2 in ½ mi · New garage / accessory structure).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 147256 | Roof replacement | Issued | Iss. May 26, 2015 | $1,000 | Tear-Off & Re-Roof @ Shop ***Expired |
| 147255 | Roof replacement | Issued | Iss. May 26, 2015 | $8,500 | Tear-Off & Re-Roof Main House ***Expired |