4131 12th Ave
Sacramento 95817 · Central Oak Park · City of Sacramento · Coordinates: 38.54146, -121.45852
Executive Verdict · Public-Records Synthesis
Zoned R-1 in City of Sacramento with likely ADU & SB 9 infill eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $469,000 ($413,000–$525,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R-1 supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 6,534 sq ft lot. Local precedent is active with 15 ADU permits within ¼ mile over the last 36 months.
Source: City of Sacramento zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$14,080 contributory est.)
Public building records show issued construction/renovation work on this parcel (7 total permits, latest Apr 8, 2026).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (parcel APN)
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: Donner Field Senior Aprts (Affordable Housing) (0.3 mi NE, issued). 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 (~$5,797/yr at $469,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$483/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:
- 6,534 sq ft (0.15 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03002
- Addresses on lot:
- 4131 12TH AVE
Zoning & Land Use
R-1 — Single-Unit Dwelling Zone (R)
2040 General Plan: Neighborhood (FAR up to 2)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned R-1 (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned R-1, a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned R-1, a single-family residential zone. The lot is 6,534 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 06067C0190H, effective August 16, 2012
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $413,000 – $525,000 · Status: Off market
HUD Small Area FMR (ZIP 95817) · FY 2026
Studio $1,580 · 1BR $1,660 · 2BR $2,040 · 3BR $2,720 · 4BR $3,130
Developments Deserving Closer Investigation & Active Area Builders
- Donner Field Senior Aprts (Affordable Housing) (Issued)0.3 mi NE
Active in "Issued" for 7.3 yr (first record Jul 24, 2019) with no new permit activity recorded in 12 mo. High-impact scale (67 housing units, 66 deed-restricted affordable, $19,000,000 declared valuation across 14 permits). current_status changed to "Process Wait" in snapshot Nov 1, 2026.
- Gateway East Affordable Mixed Use (Issued)0.38 mi E
Active in "Issued" for 5.1 yr (first record Oct 19, 2021) with no new permit activity recorded in 16 mo. High-impact scale (65 housing units, 98 deed-restricted affordable, $13,500,000 declared valuation across 36 permits). current_status changed to "Complete" in snapshot Nov 1, 2026.
- The Remington (In review)0.43 mi E
In "In review" for 18 mo (since May 14, 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 (68 housing units, $12,000,000 declared valuation across 1 permit).
- Accessory dwelling unit at 3200 40th St (Approved)0.3 mi NW
In "Approved" for 4 mo (since Jul 15, 2026), exceeding the 45d median and 85d 75th percentile for new single-family home permits in City of Sacramento (n=3,657). issued_date changed to "2026-09-29" in snapshot Nov 1, 2026.
Entity-resolved builders & contractors in ½ mile: Bryant Keith Johnson (3 on parcel, 3 in ½ mi · Electrical / panel); Clarke And Rush Mechanical (3 on parcel, 3 in ½ mi · Plumbing / water heater / sewer); Rsb Construction (1 on parcel, 1 in ½ mi · Roof replacement); Anchored Tiny Homes (9 in ½ mi · Accessory dwelling unit (new or conversion)); D And S Construction (5 in ½ mi · New single-family home).
Permit & Project History on This Parcel (7 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2606940 | HVAC / heat pump | Finaled | Iss. Apr 8, 2026 | $11,870 | No Duct Work Permitted. Change-out Split System to Split System (all-electric heat pump). The existing unit shall be rem… |
| RES-2210018 | Plumbing / water heater / sewer | Finaled | Iss. May 12, 2022 | $3,390 | Change-out installation of Gas - 040 gallon to Gas - Tankless, located outside building, within Existing Exterior Enclos… |
| RES-2210014 | Plumbing / water heater / sewer | Finaled | Iss. May 12, 2022 | $9,093 | E-Permit: Water Re-pipe, 200 L.F. |
| RES-1901122 | Roof replacement | Finaled | Iss. Jan 20, 2019 | $9,200 | E-Permit: Tear Off - Yes, Resheet - No, 2 layer(s), 28 squares of 30yr Laminated Dimensional Composition. CRRC: 0668-007… |
| RES-1800919 |