36 Mcallister Ave
Kentfield 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.95076, -122.54058
Executive Verdict · Public-Records Synthesis
Zoned R1-B1 in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA AE flood due diligence; benchmark value $2,216,000 ($1,950,000–$2,482,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R1-B1 allows residential use qualifying for ministerial ADU review under state law (7 ADU permits permitted within ¼ mile in 36 months).
Source: Unincorporated Marin zoning · CA Gov. Code 66314
- ✓ Documented permitted upgrades (+$17,668 contributory est.)
Public building records show issued construction/renovation work on this parcel (12 total permits, latest Aug 4, 2021).
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 23% 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 (88439): Pending in review for 5.4 yr — 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)
- ! 3 slow or stalled nearby projects within ½ mile
Closest lead: Magnolia Village (0.4 mi SW, 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 (~$25,934/yr at $2,216,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,161/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:
- 5,445 sq ft (0.13 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 36 MCALLISTER AVE
Zoning & Land Use
R1-B1 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotPossible, with conditions
Zoned R1-B1, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AE) covers about 23% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned R1-B1, a single-family residential zone. The lot is 5,445 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone AE) covers about 23% of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
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 23% of the lot); Zone X: 0.2% annual chance flood hazard (shaded X) (about 43% of the lot); Zone X: 0.2% annual chance flood hazard (shaded X) (about 34% 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: $1,950,000 – $2,482,000 · 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
- Magnolia Village (Entitled)0.4 mi SW
In "Entitled" for 3.8 yr (since Feb 1, 2023), exceeding the 292d median and 313d 90th percentile for new multifamily / condos / mixed-use permits in Unincorporated Marin (n=21). High-impact scale (20 housing units, 4 deed-restricted affordable across 0 permits).
- Accessory dwelling unit at 34 Wolfe Grade (Applied)0.38 mi NE
In "Applied" for 2.8 yr (since Jan 17, 2024), 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, $750,000 declared valuation across 1 permit).
- Solar / battery storage (88439) (Applied)On this parcel
Pending in review for 5.4 yr — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
- Solar / battery storage (88358) (Applied)On this parcel
Pending in review for 5.4 yr — slower than 90% of solar / battery storage permits in Unincorporated Marin (median 0d, 90th pct 2d, n=2,977).
Entity-resolved builders & contractors in ½ mile: Owner (3 on parcel, 40 in ½ mi · Remodel / interior alteration); Juan Calmell (1 on parcel, 5 in ½ mi · Remodel / interior alteration); Sunpower (3 on parcel, 3 in ½ mi · Solar / battery storage); Sunrun Installation Services (3 on parcel, 3 in ½ mi · Electrical / panel); Zur Tech Roofing (1 on parcel, 1 in ½ mi · Roof replacement).
Permit & Project History on This Parcel (12 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B26505 | Electrical / panel | Issued | Iss. Aug 4, 2021 | $500 | Main breaker derate: replace existing 200A main breaker with new 125A main breaker — Service Upgrade |
| B26503 | Solar / battery storage | Issued | Iss. Aug 4, 2021 | $20,300 | Install (21) roof mounted solar panels at 7.56kw. Install energy storage system to backup electrical. |
| B26281 | Electrical / panel | Issued | Iss. Jul 13, 2021 | $1,500 | Main breaker derate from 200 Amp to 125 Amp — Service Upgrade |
| 88439 | Solar / battery storage | Applied | App. Jun 14, 2021 | — | 5.20 Kw Rooftop Photovoltaic & Energy Storage System - Express |
| 88358 | Solar / battery storage | Applied |