203 Bayview Dr
San Rafael 94901 · San Rafael · Coordinates: 37.97991, -122.48338
Executive Verdict · Public-Records Synthesis
Zoned R1-B4 in San Rafael with likely ADU & SB 9 infill eligibility and mapped CAL FIRE moderate fire hazard severity zone (local responsibility area) due diligence; benchmark value $1,461,000 ($1,242,000–$1,680,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-B4 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 10,890 sq ft lot.
Source: San Rafael zoning · CA Gov. Code 66314 & 65852.21
- ✓ 2 documented municipal building permits on file
On-parcel permit history is indexed through Apr 22, 2025, 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 Moderate Fire Hazard Severity Zone (Local 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 Mar 24, 2025)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home at 22 Beach Dr (0.45 mi SE, 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)
- ! Bulk building permits not published for San Rafael
Permit counts and nearby activity on this page may omit municipal counter records. Request a parcel permit report directly from the local building department.
Source: Source coverage registry (San Rafael)
Parcel & Assessor
- Lot size:
- 10,890 sq ft (0.25 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 203 BAYVIEW DR
Zoning & Land Use
R1-B4 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B4 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-B4, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-B4, a single-family residential zone. The lot is 10,890 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
- Moderate Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0476E, 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: $1,242,000 – $1,680,000 · Status: Off market
HUD Small Area FMR (ZIP 94901) · FY 2026
Studio $2,150 · 1BR $2,580 · 2BR $3,120 · 3BR $3,990 · 4BR $4,130
Nearby Activity (½ mile radius, since November 2024)
7 active or recent development projects (20 housing units across completed, permitted, and pipeline stages) and 46 total building permits recorded within ½ mile.
- New construction4 permits (1 units)
Developments Deserving Closer Investigation & Active Area Builders
- New home at 22 Beach Dr (Issued)0.45 mi SE
Active in "Issued" for 3.4 yr (first record Jun 27, 2023) with no new permit activity recorded in 2.8 yr. High-impact scale (1 housing unit, $1,200,000 declared valuation across 1 permit).
- New home at 726 Pt San Pedro Rd (Issued)0.36 mi SE
Active in "Issued" for 3.6 yr (first record Apr 14, 2023) with no new permit activity recorded in 7 mo. High-impact scale (1 housing unit, $2,000,000 declared valuation across 1 permit).
- Accessory dwelling unit at 29 Bayview Dr (aka 27) (Issued)0.2 mi S
Active in "Issued" for 6.2 yr (first record Sep 15, 2020) with no new permit activity recorded in 4.7 yr.
- New home (Issued)0.21 mi S
Active in "Issued" for 21 mo (first record Feb 3, 2025) with no new permit activity recorded in 21 mo.
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B42123 | Plumbing / water heater / sewer | Issued | Iss. Apr 22, 2025 | $2,900 | Replaced water heater, Like for Like — Replace Plumbing Fixtures(s) |
| B19916 | HVAC / heat pump | Issued | Iss. Sep 23, 2019 | $5,500 | Like for like change out of furnace (Afue 81%) — Replace Mechanical Appliance |