1140 Mirabella Ave
Novato 94945 · Novato · Coordinates: 38.10751, -122.57351
Executive Verdict · Public-Records Synthesis
Zoned R1-7.5 in Novato with likely ADU & SB 9 infill eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $1,068,000 ($908,000–$1,228,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R1-7.5 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 6,360 sq ft lot. Local precedent is active with 1 ADU permit within ¼ mile over the last 36 months.
Source: Novato zoning · CA Gov. Code 66314 & 65852.21
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: 0.2% annual chance flood hazard (shaded X))
all of the lot of the parcel intersects Zone X: 0.2% annual chance flood hazard (shaded X). Outside mandatory federal SFHA insurance rules, but check local drainage and finished-floor requirements.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! Delayed or open permit activity on this parcel
New home: Active in "Issued" for 3.5 yr (first record May 3, 2023) with no new permit activity recorded in 3.5 yr.
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: First and Grant Mixed Use (0.11 mi E, 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)
- ! 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)
Parcel & Assessor
- Lot size:
- 6,360 sq ft (0.15 ac)
- Assessor use:
- Single-Resid. - Improved
- Addresses on lot:
- 1140 MIRABELLA AVE
Zoning & Land Use
R1-7.5 — Low Density Residential (Novato)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R1-7.5 (single-family residential): state law allows ADUs where homes are allowed. We read R1-7.5 from the zoning code's name; we haven't checked it against Novato's code text.
- SB 9: two homes on the lotLikely eligible
Zoned R1-7.5, a single-family residential zone. We read R1-7.5 from the zoning code's name; we haven't checked it against Novato's code text.
- SB 9: split into two lotsLikely eligible
Zoned R1-7.5, a single-family residential zone. We read R1-7.5 from the zoning code's name; we haven't checked it against Novato's code text. The lot is 6,360 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: 0.2% annual chance flood hazard (shaded X) (all of the lot) · FIRM panel 06041C0277E, 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: $908,000 – $1,228,000 · Status: Off market
HUD Small Area FMR (ZIP 94945) · FY 2026
Studio $2,050 · 1BR $2,510 · 2BR $2,990 · 3BR $3,770 · 4BR $3,960
Nearby Activity (½ mile radius, since November 2024)
7 active or recent development projects (141 housing units across completed, permitted, and pipeline stages) and 4 total building permits recorded within ½ mile.
- New construction2 permits (1 units)
Developments Deserving Closer Investigation & Active Area Builders
- New home (Issued)On this parcel
Active in "Issued" for 3.5 yr (first record May 3, 2023) with no new permit activity recorded in 3.5 yr.
- First and Grant Mixed Use (Entitled)0.11 mi E
Active in "Entitled" for 8 yr (first record Nov 5, 2018) with no new permit activity recorded in 8 yr. High-impact scale (32 housing units, 6 deed-restricted affordable across 0 permits).
- 7299 Redwood Blvd Apartments (Entitled)0.24 mi SE
Active in "Entitled" for 14 mo (first record Sep 22, 2025) with no new permit activity recorded in 14 mo. High-impact scale (82 housing units, 81 deed-restricted affordable across 0 permits).
- Landing Ct (Entitled)0.28 mi NW
Active in "Entitled" for 6.6 yr (first record Apr 16, 2020) with no new permit activity recorded in 6.6 yr. High-impact scale (32 housing units, 7 deed-restricted affordable across 0 permits).
Permit & Project History on This Parcel (0 permits, 1 grouped projects)
No building permits recorded on this parcel in our dataset.
State HCD Housing Element APR records on this parcel: 3 entries (report years 2023, 2024, 2025).