3618 Rio Rosa Way
Sacramento 95834 · South Natomas · City of Sacramento · Coordinates: 38.63426, -121.48828
Executive Verdict · Public-Records Synthesis
Zoned R-1A in City of Sacramento with likely ministerial ADU eligibility and mapped FEMA A99 flood due diligence; benchmark value $482,000 ($424,000–$540,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R-1A allows residential use qualifying for ministerial ADU review under state law (2 ADU permits permitted within ¼ mile in 36 months).
Source: City of Sacramento zoning · CA Gov. Code 66314
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through Dec 5, 2022, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (parcel APN)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (A99, all of the lot of lot)
Zone A99: 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)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: Fong Ranch Apartments - Version 2 (0.41 mi W, fee estimate). Inspect timeline history before assuming near-term completion.
Source: City of Sacramento CDD, Issued Building Permits (Current Year) · HCD APR (½-mile radius)
- ! Year 1 Prop 13 tax reset (~$5,945/yr at $482,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$495/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:
- 3,920 sq ft (0.09 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03094
- Addresses on lot:
- 3618 RIO ROSA WAY
Zoning & Land Use
R-1A — Single-Unit or Duplex Dwelling Zone (R)
2040 General Plan: Neighborhood (FAR up to 1)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-1A (two-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotCan't tell
Zoned R-1A (two-family residential): we can't tell whether it counts as a single-family zone for SB 9. Single-Unit or Duplex Dwelling Zone.
- SB 9: split into two lotsCan't tell
Zoned R-1A (two-family residential): we can't tell whether it counts as a single-family zone for SB 9. Single-Unit or Duplex Dwelling Zone.
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 A99: 1% annual chance flood (Special Flood Hazard Area) (all of the lot) · FIRM panel 06067C0063J, effective June 16, 2015
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $424,000 – $540,000 · Status: Off market
HUD Small Area FMR (ZIP 95834) · FY 2026
Studio $1,790 · 1BR $1,880 · 2BR $2,310 · 3BR $3,070 · 4BR $3,540
Developments Deserving Closer Investigation & Active Area Builders
- Fong Ranch Apartments - Version 2 (Fee estimate)0.41 mi W
In "Fee estimate" for 4.6 yr (since Apr 14, 2022), exceeding the 210d median and 627d 90th percentile for new multifamily / condos / mixed-use permits in City of Sacramento (n=199). High-impact scale (384 housing units, $91,000,000 declared valuation across 2 permits).
- Twin River Workforce Housing (Fee estimate)0.29 mi S
In "Fee estimate" for 15 mo (since Aug 25, 2025), exceeding the 210d median and 365d 75th percentile for new multifamily / condos / mixed-use permits in City of Sacramento (n=199). High-impact scale (115 housing units, $32,315,300 declared valuation across 1 permit).
- Accessory dwelling unit at 1273 Old W Dr (In review)0.27 mi SW
In "In review" for 4 mo (since Jul 28, 2026), exceeding the 45d median and 85d 75th percentile for new single-family home permits in City of Sacramento (n=3,657). habitable_sq_ft changed to "620" in snapshot Nov 1, 2026.
- Accessory dwelling unit at 3736 Cedargate Way (Issued)0.13 mi N
Active in "Issued" for 4.8 yr (first record Jan 31, 2022) with no new permit activity recorded in 4.1 yr.
Entity-resolved builders & contractors in ½ mile: Plumber Hero (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); DR Horton (580 in ½ mi · New single-family home); Clark Wagaman Designs (9 in ½ mi · Addition (adds square footage)); Sac Pool Pros Service (6 in ½ mi · Pool / spa); River City Window And Door (6 in ½ mi · Addition (adds square footage)).
Permit & Project History on This Parcel (1 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2225849 | Plumbing / water heater / sewer | Expired Permit | Iss. Dec 5, 2022 | $4,158 | AA: Water Service replacement or repair, 45 L.F. Carbon monoxide & Smoke alarms required. Reference CRC sections R315 & … |