3878 12th Ave
Sacramento 95817 · Central Oak Park · City of Sacramento · Coordinates: 38.54096, -121.46425
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 $450,000 ($396,000–$504,000).
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 5,227 sq ft lot. Local precedent is active with 8 ADU permits within ¼ mile over the last 36 months.
Source: City of Sacramento zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$3,314 contributory est.)
Public building records show issued construction/renovation work on this parcel (3 total permits, latest Mar 30, 2022).
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: New duplex at 3821 35th St (0.24 mi W, in review). 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 (~$5,580/yr at $450,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$465/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:
- 5,227 sq ft (0.12 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03002
- Addresses on lot:
- 3878 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 5,227 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: $396,000 – $504,000 · 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
- New duplex at 3821 35th St (In review)0.24 mi W
In "In review" for 15 mo (since Aug 20, 2025), exceeding the 184d median and 416d 75th percentile for new duplex / half-plex permits in City of Sacramento (n=115). current_status changed to "Verify" in snapshot Nov 1, 2026.
- New home at 3750 Reggae Aly (In review)0.27 mi NW
In "In review" for 5 mo (since Jun 12, 2026), exceeding the 45d median and 85d 75th percentile for new single-family home permits in City of Sacramento (n=3,657). current_status changed to "Plan Check Wait" in snapshot Nov 1, 2026.
- Accessory dwelling unit at 3200 40th St (Approved)0.36 mi NE
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.
- mix use building (In review)0.22 mi N
In "In review" for 21 mo (since Feb 10, 2025), exceeding the 45d median and 184d 90th percentile for new single-family home permits in City of Sacramento (n=3,657).
Entity-resolved builders & contractors in ½ mile: Bell Brothers Heating And Air (1 on parcel, 3 in ½ mi · Remodel / interior alteration); Rf Installations California (1 on parcel, 1 in ½ mi · Remodel / interior alteration); Victory Heating And Air Conditioning (1 on parcel, 1 in ½ mi · Roof replacement); Bhandal Construction (14 in ½ mi · New single-family home); Good Life Construction (6 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (3 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2206804 | Plumbing / water heater / sewer | Finaled | Iss. Mar 30, 2022 | $2,983 | Change-out installation of Gas - 040 gallon to Gas - 040 gallon, located inside building, screening not required. |
| RES-1906063 | Roof replacement | Finaled | Iss. Apr 8, 2019 | $9,190 | New install/New location Split System. A unit will be installed in a new location. This unit will be fully screened behi… |
| RES-1613666 | Remodel / interior alteration | Expired Permit | Iss. Aug 26, 2016 | $10,042 | NEW COUNTERS, FLOORING, TUB & SURROUND, VALVE, DOOR, LIGHT FIXTURES, VANITY & FAUCET, DRYWALL, TILE & ACCESSORIES, “Wate… |