300 Miller Creek Rd
San Rafael 94903 · Marinwood · Unincorporated Marin · Coordinates: 38.03302, -122.54351
Executive Verdict · Public-Records Synthesis
Zoned AP in Unincorporated Marin and mapped CAL FIRE moderate fire hazard severity zone (local responsibility area) due diligence; benchmark value $1,373,000 ($1,208,000–$1,538,000).
Upsides & Opportunities
- ✓ 3 documented municipal building permits on file
On-parcel permit history is indexed through Mar 9, 2023, 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) (about 96% 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: 125 new homes (0.38 mi N, entitled). 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 (~$16,240/yr at $1,373,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,353/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:
- 19,384 sq ft (0.44 ac)
- Assessor use:
- Commercial - Improved
- Addresses on lot:
- 300 MILLER CREEK RD
Zoning & Land Use
AP — Admin and Professional (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUUnlikely
Zoned AP (commercial): the zone doesn't allow homes, so state ADU rules don't apply.
- SB 9: two homes on the lotUnlikely
Zoned AP (commercial), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned AP (commercial), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Moderate Fire Hazard Severity Zone (Local Responsibility Area) (about 96% of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0291D, effective May 4, 2009
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,208,000 – $1,538,000 · Status: Off market
HUD Small Area FMR (ZIP 94903) · FY 2026
Studio $2,880 · 1BR $3,450 · 2BR $4,180 · 3BR $5,340 · 4BR $5,530
Nearby Activity (½ mile radius, since November 2024)
15 active or recent development projects (138 housing units across completed, permitted, and pipeline stages) and 549 total building permits recorded within ½ mile.
- New construction19 permits (3 units)
- Adds housing (ADU)10 permits (10 units)
- Demolition2 permits
- Additions & renovations19 permits
- Building systems396 permits
- Repairs54 permits
- Other49 permits
Developments Deserving Closer Investigation & Active Area Builders
- 125 new homes (Entitled)0.38 mi N
In "Entitled" for 23 mo (since Dec 6, 2024), exceeding the 292d median and 313d 90th percentile for new multifamily / condos / mixed-use permits in Unincorporated Marin (n=21). High-impact scale (125 housing units, 124 deed-restricted affordable across 0 permits).
- New home at 3 Erin Dr (Applied)0.36 mi S
In "Applied" for 3 yr (since Oct 31, 2023), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $2,993,758 declared valuation across 1 permit).
- New home at 111 Erin Ct (Applied)0.36 mi S
In "Applied" for 3 yr (since Nov 28, 2023), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $56,632,994 declared valuation across 1 permit).
- New home at 115 Erin Ct (Applied)0.36 mi S
In "Applied" for 3 yr (since Nov 28, 2023), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121). High-impact scale (1 housing unit, $55,415,888 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Hassler Heating And Airconditioning (3 on parcel, 3 in ½ mi · HVAC / heat pump); Owner Builder (43 in ½ mi · Remodel / interior alteration); Owner (25 in ½ mi · Remodel / interior alteration); Haven Construction (11 in ½ mi · Accessory dwelling unit (new or conversion)); Marin Kitchen Works (5 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (3 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B32904 | HVAC / heat pump | Issued | Iss. Mar 9, 2023 | $11,000 | Install furnace with dedicated electrical circuit for 280 Miller Creek Rd, same parcel#164-198-03. — New Circuits / Outl… |
| B32770 | HVAC / heat pump | Issued | Iss. Feb 28, 2023 | $11,000 | Install furnace for 280 Miller Creek Rd, same parcel#164-198-03. — Replace Mechanical Appliance |
| B15681 | HVAC / heat pump | Issued | Iss. Aug 13, 2018 | $17,000 | Replace existing furnace and existing AC — Replace Mechanical Appliance |