3928 23rd Ave
Sacramento 95820 · South Oak Park · City of Sacramento · Coordinates: 38.53202, -121.46239
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 $358,000 ($315,000–$401,000).
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 3,485 sq ft lot. Local precedent is active with 6 ADU permits within ¼ mile over the last 36 months.
Source: City of Sacramento zoning · CA Gov. Code 66314 & 65852.21
- ✓ 2 documented municipal building permits on file
On-parcel permit history is indexed through Sep 4, 2026, 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
- ! 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: Accessory dwelling unit at 3320 20th Ave (0.5 mi W, 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 (~$4,531/yr at $358,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$378/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:
- 3,485 sq ft (0.08 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03019
- Addresses on lot:
- 3928 23RD AVE
Zoning & Land Use
R-1 — Single-Unit 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-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 3,485 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: $315,000 – $401,000 · Status: Off market
HUD Small Area FMR (ZIP 95820) · FY 2026
Studio $1,530 · 1BR $1,610 · 2BR $1,980 · 3BR $2,640 · 4BR $3,040
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 3320 20th Ave (Issued)0.5 mi W
Active in "Issued" for 21 mo (first record Feb 18, 2025) with no new permit activity recorded in 14 mo. current_status changed to "Finaled" in snapshot Nov 1, 2026.
- 4970 Warwick Ave New SFD (Entitled)0.12 mi S
In "Entitled" for 5.1 yr (since Oct 12, 2021), exceeding the 45d median and 184d 90th percentile for new single-family home permits in City of Sacramento (n=3,657).
- 5040 Martin Luther King Jr BLVD ADU (Entitled)0.21 mi SW
In "Entitled" for 5.3 yr (since Jul 15, 2021), exceeding the 45d median and 184d 90th percentile for new single-family home permits in City of Sacramento (n=3,657).
- 3703 23rd Ave. Detached ADU (Entitled)0.24 mi W
In "Entitled" for 4.6 yr (since Apr 7, 2022), 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: Prietos Roof Removal (1 on parcel, 1 in ½ mi · Roof replacement); Water Heater Experts (1 on parcel, 1 in ½ mi · HVAC / heat pump); Rpm Development And Engineering (3 in ½ mi · Accessory dwelling unit (new or conversion)); The Micah (3 in ½ mi · Accessory dwelling unit (new or conversion)); Tkr Properties (3 in ½ mi · Accessory dwelling unit (new or conversion)).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2619604 | HVAC / heat pump | Issued | Iss. Sep 4, 2026 | $5,566 | Change-out installation of Gas - 050 gallon to Electric Heat Pump 50 gallons +, located inside building, screening not r… |
| RES-1807339 | Roof replacement | Finaled | Iss. Apr 20, 2018 | $6,786 | Tear Off - Yes, Resheet - No, 1 layer(s), 16 squares of 30yr Laminated Dimensional Composition. In-progress inspection r… |