929 Sir Francis Drake Blvd
Kentfield 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.95470, -122.54689
Executive Verdict · Public-Records Synthesis
Zoned RMPC-HOD in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA AE flood due diligence; benchmark value $2,364,000 ($2,080,000–$2,648,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone RMPC-HOD allows residential use qualifying for ministerial ADU review under state law (4 ADU permits permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$11,520 contributory est.)
Public building records show issued construction/renovation work on this parcel (5 total permits, latest Jun 17, 2026).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
- ✓ Above-average reinvestment in Kentfield
104 substantial renovation & housing permits over 24 months (41.3 per 1,000 parcels vs. 16.4 citywide baseline) (#7 of 22 neighborhoods).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (Kentfield)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (AE, about 49% of the lot of lot)
Zone AE: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! Delayed or open permit activity on this parcel
Solar / battery storage (155853): Issued after 6 mo — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: New home at 105 Oak Ave (0.25 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)
- ! Year 1 Prop 13 tax reset (~$27,636/yr at $2,364,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,303/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:
- 12,937 sq ft (0.30 ac)
- Assessor use:
- Commercial - Improved
- Addresses on lot:
- 929 SIR FRANCIS DRAKE BLVD
Zoning & Land Use
RMPC-HOD — Residential Commercial Multiple Planned (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RMPC-HOD (mixed use): 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 RMPC-HOD (mixed use), not a single-family residential zone.
- SB 9: split into two lotsUnlikely
Zoned RMPC-HOD (mixed use), not a single-family residential zone.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Not in a State-mapped fire hazard severity zone
- FEMA National Flood Hazard Layer
- Zone AE: 1% annual chance flood (Special Flood Hazard Area) (about 49% of the lot); Zone X: 0.2% annual chance flood hazard (shaded X) (about 6% of the lot); Zone X: 0.2% annual chance flood hazard (shaded X) (about 45% of the lot) · FIRM panel 06041C0458F, 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: $2,080,000 – $2,648,000 · Status: Off market
HUD Small Area FMR (ZIP 94904) · FY 2026
Studio $2,260 · 1BR $2,710 · 2BR $3,280 · 3BR $4,190 · 4BR $4,340
Developments Deserving Closer Investigation & Active Area Builders
- Solar / battery storage (155853) (Issued)On this parcel
Issued after 6 mo — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
- New home at 105 Oak Ave (Issued)0.25 mi E
Active in "Issued" for 4.3 yr (first record Jul 15, 2022) with no new permit activity recorded in 14 mo. High-impact scale (1 housing unit, $965,000 declared valuation across 3 permits).
- New home at 7 Cedar Ave (Issued)0.3 mi W
Active in "Issued" for 7.7 yr (first record Mar 14, 2019) with no new permit activity recorded in 5.5 yr. High-impact scale (1 housing unit, $1,217,500 declared valuation across 2 permits).
- Accessory dwelling unit at 66 Hanken Dr (adu 66a) (Issued)0.31 mi N
Active in "Issued" for 3.1 yr (first record Sep 29, 2023) with no new permit activity recorded in 2.8 yr. High-impact scale (1 housing unit, $1,000,000 declared valuation across 1 permit).
Entity-resolved builders & contractors in ½ mile: Radco And Associates (1 on parcel, 2 in ½ mi · Remodel / interior alteration); Ernest Ongaro And Sons (1 on parcel, 2 in ½ mi · Accessory dwelling unit (new or conversion)); Renewable Electric (1 on parcel, 1 in ½ mi · Solar / battery storage); Apollo Building And Roofing Group (1 on parcel, 1 in ½ mi · Roof replacement); Ken Cooper Roofing And Gutter (1 on parcel, 1 in ½ mi · Roof replacement).
Permit & Project History on This Parcel (5 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B47203 | Roof replacement | Issued | Iss. Jun 17, 2026 | $44,000 | ReRoofing |
| B26886 | Windows / doors / siding | Issued | Iss. Sep 8, 2021 | $10,000 | Replacing 3 windows like-like. Exactly the same ones going back it. It is pretty much a re-install — Non-structural Door… |
| B22341 | HVAC / heat pump | Issued | Iss. Mar 18, 2020 | $12,800 | removed failed furnace, AC and ducting and install a Fujitsu 5 zone ductless mini split — Mechanical Appliance |
| 155853 | Solar / battery storage | Issued | Iss. Jun 27, 2017 | $95,040 | P V Sys 24.51 K W - Commercial, Not Express |
| B11895 | Roof replacement | Issued |