1042 Erica Rd
Mill Valley 94941 · Tamalpais · Unincorporated Marin · Coordinates: 37.88455, -122.54725
Executive Verdict · Public-Records Synthesis
Zoned A2-B2 in Unincorporated Marin and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $2,313,000 ($2,035,000–$2,591,000).
Upsides & Opportunities
- ✓ Documented permitted upgrades (+$8,360 contributory est.)
Public building records show issued construction/renovation work on this parcel (10 total permits, latest Jun 2, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
- ✓ Above-average reinvestment in Tamalpais
50 substantial renovation & housing permits over 24 months (20.5 per 1,000 parcels vs. 16.4 citywide baseline) (#3 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Tamalpais)
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)
- ! Delayed or open permit activity on this parcel
General repair (91948): Pending in review for 2.7 yr (11.9× the 83d median) — slower than 90% of general repair permits in Unincorporated Marin (median 83d, 90th pct 328d, n=693).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: New home at 560 Alta Way (0.37 mi E, applied). Inspect timeline history before assuming near-term completion.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · HCD APR (½-mile radius)
Parcel & Assessor
- Lot size:
- 26,180 sq ft (0.60 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 1042 ERICA RD
Zoning & Land Use
A2-B2 — Agriculture Limited (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
Zoned A2-B2 (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 A2-B2 (agricultural), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned A2-B2 (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) (all of the lot, map Apr 1, 2024)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06041C0468F, 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: $2,035,000 – $2,591,000 · 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 560 Alta Way (Applied)0.37 mi E
In "Applied" for 3.3 yr (since Aug 10, 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, $975,000 declared valuation across 1 permit).
- General repair (91948) (Applied)On this parcel
Pending in review for 2.7 yr (11.9× the 83d median) — slower than 90% of general repair permits in Unincorporated Marin (median 83d, 90th pct 328d, n=693).
- Remodel / interior alteration (87816) (Applied)On this parcel
Pending in review for 5.6 yr (24.8× the 83d median) — slower than 90% of remodel / interior alteration permits in Unincorporated Marin (median 83d, 90th pct 266d, n=1,054).
- New home at 510 Browning Ct (Issued)0.42 mi E
Active in "Issued" for 10.2 yr (first record Aug 15, 2016) with no new permit activity recorded in 9.9 yr. High-impact scale (1 housing unit, $900,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Filshie Enterprises (1 on parcel, 1 in ½ mi · New garage / accessory structure); Northern Pacific Power (1 on parcel, 1 in ½ mi · Other); Golden Gate Home Improvement (1 on parcel, 1 in ½ mi · Windows / doors / siding); Cal Summit Builders (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Perfection Carpentry (1 on parcel, 1 in ½ mi · Roof replacement).
Permit & Project History on This Parcel (10 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B46986 | Other | Issued | Iss. Jun 2, 2026 | $48,514 | — |
| 91948 | General repair | Applied | App. Feb 27, 2024 | $5,000 | Minor Repair - Voluntary Seismic Upgrade |
| 175498 | New garage / accessory structure | Issued | Iss. Nov 28, 2023 | $150,000 | Rebuild (E) Deck; (N) Entry Porch; Siding .T.D. 10-20-23 Deleted Scope *Addition At Entry* 11/15/23 Jb 11/22/23; App Can… |
| B35683 | Windows / doors / siding | Issued | Iss. Oct 6, 2023 | $27,488 | Replace (9) windows, same size as existing. — Non-structural Door/Window Replacement |
| B32263 | EV charger | Issued | Iss. Jan 12, 2023 |