299 N Almenar Dr
Greenbrae 94904 · Kentfield · Unincorporated Marin · Coordinates: 37.95541, -122.52670
Executive Verdict · Public-Records Synthesis
Zoned R1-B2 in Unincorporated Marin with likely ADU & SB 9 infill eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $2,390,000 ($2,103,000–$2,677,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-B2 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 14,070 sq ft lot.
Source: Unincorporated Marin zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$23,002 contributory est.)
Public building records show issued construction/renovation work on this parcel (6 total permits, latest Aug 27, 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
- ! 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: New home at 33 Bretano Way (0.44 mi S, 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 (~$27,935/yr at $2,390,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,328/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:
- 14,070 sq ft (0.32 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 299 N ALMENAR DR
Zoning & Land Use
R1-B2 — Residential Single Family (Unincorporated Marin)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-B2 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R1-B2, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R1-B2, a single-family residential zone. The lot is 14,070 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original.
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 X: minimal flood hazard (all of the lot) · FIRM panel 06041C0459F, 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: $2,103,000 – $2,677,000 · 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
- New home at 33 Bretano Way (Issued)0.44 mi S
Active in "Issued" for 19 mo (first record Apr 11, 2025) with no new permit activity recorded in 14 mo. High-impact scale (1 housing unit, $750,000 declared valuation across 1 permit).
- Demolition at 25 Corte Sereno (Applied)0.32 mi W
In "Applied" for 4.8 yr (since Jan 14, 2022), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
- 360 Via La Paz (Entitled)0.37 mi E
In "Entitled" for 2.1 yr (since Oct 22, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
- Demolition at 17 La Cuesta Dr (Applied)0.39 mi S
In "Applied" for 12.3 yr (since Jul 8, 2014), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
Entity-resolved builders & contractors in ½ mile: Clear Design And Build (2 on parcel, 2 in ½ mi · Other); Tesla Energy Operations (2 on parcel, 2 in ½ mi · Solar / battery storage); Millsap Degnan And Associates (1 on parcel, 1 in ½ mi · General repair); Owner Builder (45 in ½ mi · Remodel / interior alteration); Owner (30 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (6 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B48118 | Other | Issued | Iss. Aug 27, 2026 | $41,000 | — |
| B48116 | Other | Issued | Iss. Aug 27, 2026 | $81,000 | — |
| B38157 | Solar / battery storage | Issued | Iss. May 23, 2024 | $27,780 | Install roof mount solar panels at 9.31 kW and batteries |
| B37719 | Solar / battery storage | Issued | Iss. Apr 18, 2024 | $27,780 | install roof mount solar panels at 9.31 kW and 2 batteries. |
| 156895 | General repair | Issued | Iss. Oct 26, 2017 | $35,000 | Ret Wall***Expired |