1000 Iron Springs Rd
Fairfax 94930 · Unincorporated Fairfax · Unincorporated Marin · Coordinates: 37.99411, -122.61726
Executive Verdict · Public-Records Synthesis
Zoned A60 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,254,000 ($1,104,000–$1,404,000).
Upsides & Opportunities
- ✓ 11 documented municipal building permits on file
On-parcel permit history is indexed through Sep 30, 2026, 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) (about 84% 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)
- ! Delayed or open permit activity on this parcel
Electrical / panel (182642): Issued after 8 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,020).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! Year 1 Prop 13 tax reset (~$14,871/yr at $1,254,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,239/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:
- 17,856,115 sq ft (409.92 ac)
- Assessor use:
- Exemption - Improved
- Addresses on lot:
- 1000 IRON SPRINGS RD
Zoning & Land Use
A60 — Agriculture and Conservation (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A60 (agricultural): ADUs are allowed if the zone allows a home, which depends on the zone's rules.
- SB 9: two homes on the lotUnlikely
Zoned A60 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned A60 (agricultural), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- High Fire Hazard Severity Zone (State Responsibility Area) (about 84% of the lot, map Apr 1, 2024); Moderate Fire Hazard Severity Zone (State Responsibility Area) (about 8% of the lot, map Apr 1, 2024); Very High Fire Hazard Severity Zone (State Responsibility Area) (about 8% of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0451E, effective March 17, 2014
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,104,000 – $1,404,000 · Status: Off market
HUD Small Area FMR (ZIP 94930) · FY 2026
Studio $2,230 · 1BR $2,680 · 2BR $3,240 · 3BR $4,140 · 4BR $4,290
Developments Deserving Closer Investigation & Active Area Builders
- Electrical / panel (182642) (Issued)On this parcel
Issued after 8 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,020).
- New garage / accessory structure (90758) (Applied)On this parcel
Pending in review for 3.8 yr (8.5× the 164d median) — slower than 90% of new garage / accessory structure permits in Unincorporated Marin (median 164d, 90th pct 485d, n=356).
- Electrical / panel (171277) (Issued)On this parcel
Issued after 3 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,020).
- Electrical / panel (170547) (Issued)On this parcel
Issued after 5 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,020).
Entity-resolved builders & contractors in ½ mile: Triton Tower (2 on parcel, 2 in ½ mi · New garage / accessory structure); Nuwave International Industries (2 on parcel, 2 in ½ mi · Electrical / panel); Quality Telecom Consultants (1 on parcel, 1 in ½ mi · New garage / accessory structure); Mastec Network Solutions (1 on parcel, 1 in ½ mi · New garage / accessory structure); Stc Netcom (1 on parcel, 1 in ½ mi · Electrical / panel).
Permit & Project History on This Parcel (11 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 182642 | Electrical / panel | Issued | Iss. Sep 30, 2026 | $20,000 | Upgrades To (E) Cell Tower - T Mobile |
| 176338 | New garage / accessory structure | Issued | Iss. Apr 4, 2024 | $30,000 | Remove & Upgrade Equipment On (E) Telecom Site - T-Mobile |
| 174176 | New garage / accessory structure | Issued | Iss. May 31, 2023 | $40,000 | A T & T: Install Antennas, T-Arm Kit, Rru's, Etc, Concrete Pads, Sabre Shelter, Generator, Spd & Ciena Boxes, Meter, Fen… |
| 90758 | New garage / accessory structure | Applied | App. Jan 18, 2023 | $7,500 | (N) Structure For Rifle Range At Boy Scout Camp |
| 171277 | Electrical / panel | Issued |