700 Donahue St
Sausalito 94965 · Marin City · Unincorporated Marin · Coordinates: 37.87495, -122.52061
Executive Verdict · Public-Records Synthesis
Zoned RMP-4 in Unincorporated Marin with likely ministerial ADU eligibility and mapped CAL FIRE high fire hazard severity zone (state responsibility area) due diligence; benchmark value $1,494,000 ($1,315,000–$1,673,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMP-4 allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ 8 documented municipal building permits on file
On-parcel permit history is indexed through Dec 14, 2022, 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)
- ✓ Above-average reinvestment in Marin City
21 substantial renovation & housing permits over 24 months (40.5 per 1,000 parcels vs. 16.4 citywide baseline) (#14 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Marin City)
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
Electrical / panel (90631): Pending in review for 3.9 yr — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,019).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 1 slow or stalled nearby project within ½ mile
Closest lead: 74 new homes at 825 Drake Ave (0.35 mi E, 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)
Parcel & Assessor
- Lot size:
- 4,879 sq ft (0.11 ac)
- Assessor use:
- Tax Exempt
- Addresses on lot:
- 700 DONAHUE ST
Zoning & Land Use
RMP-4 — Residential Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMP-4 (multifamily residential): state law allows ADUs where homes are allowed. On a multifamily lot the state allowance is different: ADUs in non-living space of the building, plus up to eight detached ADUs.
- SB 9: two homes on the lotUnlikely
Zoned RMP-4 (multifamily residential), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMP-4 (multifamily residential), 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 06041C0507E, 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: $1,315,000 – $1,673,000 · Status: Off market
HUD Small Area FMR (ZIP 94965) · FY 2026
Studio $2,720 · 1BR $3,260 · 2BR $3,950 · 3BR $5,050 · 4BR $5,230
Developments Deserving Closer Investigation & Active Area Builders
- 74 new homes at 825 Drake Ave (Issued)0.35 mi E
Active in "Issued" for 5.9 yr (first record Nov 30, 2020) with no new permit activity recorded in 3.5 yr. High-impact scale (74 housing units, $8,731,920 declared valuation across 1 permit).
- Electrical / panel (90631) (Applied)On this parcel
Pending in review for 3.9 yr — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,019).
- Plumbing / water heater / sewer (166986) (Issued)On this parcel
Issued after 3 mo — slower than 90% of plumbing / water heater / sewer permits in Unincorporated Marin (median 0d, 90th pct 0d, n=2,211).
- Electrical / panel (165527) (Issued)On this parcel
Issued after 13 mo — slower than 90% of electrical / panel permits in Unincorporated Marin (median 0d, 90th pct 2d, n=3,019).
Entity-resolved builders & contractors in ½ mile: Velex (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Walker Cellular (1 on parcel, 1 in ½ mi · Electrical / panel); Costrotta Construction Management (1 on parcel, 1 in ½ mi · Electrical / panel); Unlimited Communications (1 on parcel, 1 in ½ mi · Electrical / panel); Westower Communications (1 on parcel, 1 in ½ mi · Other).
Permit & Project History on This Parcel (8 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| 90631 | Electrical / panel | Applied | App. Dec 14, 2022 | $20,000 | Remove/Replace [3] Existing Antennas; Add [3] New Antennas; Remove/Replace [6] T M As & Assoc Cables - T-Mobile |
| 166986 | Plumbing / water heater / sewer | Issued | Iss. Jan 28, 2021 | $20,000 | Generator And Transfer Switch |
| 165527 | Electrical / panel | Issued | Iss. Aug 25, 2020 | $20,000 | T-Mobile Cell Site***Ext To 7/25/21 T.D. 8/8/19 |
| 86127 | Electrical / panel | Applied | App. Jul 27, 2020 | $25,000 | Cell Site Improvs - Verizon T.D. 8-12-20 |
| 156788 | Electrical / panel | Issued | Iss. Oct 17, 2017 |