424 Calle De La Mesa
Novato 94949 · Loma Verde · Novato · Coordinates: 38.06764, -122.54679
Executive Verdict · Public-Records Synthesis
Zoned R1 in Novato with likely ministerial ADU eligibility and mapped FEMA AE flood due diligence; benchmark value $1,298,000 ($1,142,000–$1,454,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R1 allows residential use qualifying for ministerial ADU review under state law (1 ADU permit permitted within ¼ mile in 36 months).
Source: Novato zoning · CA Gov. Code 66314
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through Sep 22, 2026, 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)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (AE, about 22% of the lot of lot)
Zone AE: regulatory floodway (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)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 424 Corte Escuela (0.24 mi SW, 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)
- ! Bulk building permits not published for Novato
Permit counts and nearby activity on this page may omit municipal counter records. Request a parcel permit report directly from the local building department.
Source: Source coverage registry (Novato)
- ! Year 1 Prop 13 tax reset (~$15,377/yr at $1,298,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,281/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:
- 14,549 sq ft (0.33 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 424 CALLE DE LA MESA
Zoning & Land Use
R1 — Residential Single Family (Unincorporated Marin)
Undesignated — Undesignated (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1 (single-family residential): state law allows ADUs where homes are allowed. The parcel point also falls in Undesignated.
- SB 9: two homes on the lotPossible, with conditions
Zoned R1, a single-family residential zone. The parcel point also falls in Undesignated. FEMA regulatory floodway covers about 22% of the lot: SB 9 requires a no-rise certification.
- SB 9: split into two lotsPossible, with conditions
Zoned R1, a single-family residential zone. The parcel point also falls in Undesignated. The lot is 14,549 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA regulatory floodway covers about 22% of the lot: SB 9 requires a no-rise certification.
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: regulatory floodway (Special Flood Hazard Area) (about 22% of the lot); Zone X: minimal flood hazard (about 78% of the lot) · FIRM panel 06041C0283E, 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: $1,142,000 – $1,454,000 · Status: Off market
HUD Small Area FMR (ZIP 94949) · FY 2026
Studio $2,360 · 1BR $2,830 · 2BR $3,430 · 3BR $4,380 · 4BR $4,540
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 424 Corte Escuela (Applied)0.24 mi SW
Active in "Applied" for 2.8 yr (first record Jan 17, 2024) with no new permit activity recorded in 2.8 yr.
- Accessory dwelling unit at 477 Alameda De La Loma (aka 477a) (Issued)0.25 mi SW
Active in "Issued" for 2.5 yr (first record May 6, 2024) with no new permit activity recorded in 2 yr.
- Accessory dwelling unit at 422 Corte Escuela (a D U 422 A) (Issued)0.27 mi S
Active in "Issued" for 3.9 yr (first record Dec 28, 2022) with no new permit activity recorded in 12 mo.
- Accessory dwelling unit at 486 Via Herbosa (adu 486a) (Issued)0.46 mi SE
Active in "Issued" for 2.7 yr (first record Mar 13, 2024) with no new permit activity recorded in 20 mo.
Permit & Project History on This Parcel (1 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B48435 | Other | Issued | Iss. Sep 22, 2026 | $40,580 | — |