103 Ross St
San Rafael 94901 · San Rafael · Coordinates: 37.96874, -122.53531
Executive Verdict · Public-Records Synthesis
Zoned MR2 in San Rafael with likely ministerial ADU eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $1,440,000 ($1,224,000–$1,656,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone MR2 allows residential use qualifying for ministerial ADU review under state law.
Source: San Rafael zoning · CA Gov. Code 66314
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: 0.2% annual chance flood hazard (shaded X))
about 79% 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: 155 new homes (0.35 mi N, 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 San Rafael
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 (San Rafael)
- ! Year 1 Prop 13 tax reset (~$17,010/yr at $1,440,000)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$1,418/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:
- 9,060 sq ft (0.21 ac)
- Assessor use:
- Multiple-Resid. - Improved
- Addresses on lot:
- 103 ROSS ST; 103 ROSS ST APT 1; 103 ROSS ST APT 10
Zoning & Land Use
MR2 (San Rafael)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned MR2 (multifamily residential): state law allows ADUs where homes are allowed. We read MR2 from the zoning code's name; we haven't checked it against San Rafael's code text. 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 MR2 (multifamily residential), not a single-family residential zone. We read MR2 from the zoning code's name; we haven't checked it against San Rafael's code text.
- SB 9: split into two lotsUnlikely
Zoned MR2 (multifamily residential), not a single-family residential zone. We read MR2 from the zoning code's name; we haven't checked it against San Rafael's code text.
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) (about 79% of the lot); Zone X: minimal flood hazard (about 21% 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: $1,224,000 – $1,656,000 · Status: Off market
HUD Small Area FMR (ZIP 94901) · FY 2026
Studio $2,150 · 1BR $2,580 · 2BR $3,120 · 3BR $3,990 · 4BR $4,130
Nearby Activity (½ mile radius, since November 2024)
12 active or recent development projects (402 housing units across completed, permitted, and pipeline stages) and 8 total building permits recorded within ½ mile.
- Adds housing (ADU)1 permit (1 units)
Developments Deserving Closer Investigation & Active Area Builders
- 155 new homes (Entitled)0.35 mi N
Active in "Entitled" for 2.3 yr (first record Jul 23, 2024) with no new permit activity recorded in 2.3 yr. High-impact scale (155 housing units across 0 permits).
- 162 Unit Multifamily MIxed-Use Bldg (Entitled)0.35 mi N
Active in "Entitled" for 3.5 yr (first record May 8, 2023) with no new permit activity recorded in 3.5 yr. High-impact scale (162 housing units, 13 deed-restricted affordable across 0 permits).
- Healthy Aging Center and Senior Housing (Issued)0.5 mi NE
Active in "Issued" for 4.6 yr (first record Apr 13, 2022) with no new permit activity recorded in 4.6 yr. High-impact scale (67 housing units, 66 deed-restricted affordable across 0 permits).
- 7 new homes (Entitled)0.26 mi N
Active in "Entitled" for 6.5 yr (first record Jun 1, 2020) with no new permit activity recorded in 6.5 yr. High-impact scale (7 housing units 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: 1 entry (report years 2024).