1231 Sonoma Ave
Sacramento 95815 · South Hagginwood · City of Sacramento · Coordinates: 38.62405, -121.43837
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 $348,000 ($306,000–$390,000).
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 6,098 sq ft lot. Local precedent is active with 13 ADU permits within ¼ mile over the last 36 months.
Source: City of Sacramento zoning · CA Gov. Code 66314 & 65852.21
- ✓ 5 documented municipal building permits on file
On-parcel permit history is indexed through Jul 7, 2020, 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: 0.2% annual chance flood hazard (shaded X))
all 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: Affordable Housing (0.39 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 (~$4,417/yr at $348,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$368/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:
- 6,098 sq ft (0.14 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03197
- Addresses on lot:
- 1231 SONOMA 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 6,098 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: 0.2% annual chance flood hazard (shaded X) (all of the lot) · FIRM panel 06067C0177J, 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: $306,000 – $390,000 · Status: Off market
HUD Small Area FMR (ZIP 95815) · FY 2026
Studio $1,440 · 1BR $1,510 · 2BR $1,860 · 3BR $2,480 · 4BR $2,850
Developments Deserving Closer Investigation & Active Area Builders
- Affordable Housing (Fee estimate)0.39 mi W
In "Fee estimate" for 3.1 yr (since Oct 16, 2023), exceeding the 210d median and 627d 90th percentile for new multifamily / condos / mixed-use permits in City of Sacramento (n=199). High-impact scale (29 housing units, $3,006,960 declared valuation across 1 permit).
- Northern Trail Apartments (Entitled)0.42 mi W
In "Entitled" for 3.1 yr (since Oct 19, 2023), exceeding the 210d median and 627d 90th percentile for new multifamily / condos / mixed-use permits in City of Sacramento (n=199). High-impact scale (22 housing units, 2 deed-restricted affordable across 0 permits).
- New duplex at 3042 Marysville Blvd (In review)0.25 mi SE
In "In review" for 2.7 yr (since Mar 5, 2024), exceeding the 184d median and 575d 90th percentile for new duplex / half-plex permits in City of Sacramento (n=115). current_status changed to "Plan Check Wait" in snapshot Nov 1, 2026.
- Accessory dwelling unit at 2951 Belden St (In review)0.28 mi SW
In "In review" for 3 mo (since Aug 10, 2026), exceeding the 45d median and 85d 75th percentile for new single-family home permits in City of Sacramento (n=3,657). work_desc changed to "EPC - New construction detached ADU, 748 sq ft, 2bed/2bath with sprinklers and 2.15kw solar system. Carbon monoxide & Smoke alarms required. Reference CRC sections R310 & R311. ALL WORK SUBJECT TO FIELD INSPECTION." in snapshot Nov 1, 2026.
Entity-resolved builders & contractors in ½ mile: Flat Roof Pros (1 on parcel, 1 in ½ mi · Roof replacement); Boyd Plumbing (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Patterson Heating And Air Conditioning (1 on parcel, 1 in ½ mi · HVAC / heat pump); A Energy Solutions (1 on parcel, 1 in ½ mi · Electrical / panel); Ag Builders (3 in ½ mi · Accessory dwelling unit (new or conversion)).
Permit & Project History on This Parcel (5 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2011644 | Plumbing / water heater / sewer | Finaled | Iss. Jul 7, 2020 | $7,096 | E-Permit: Sewer Service replacement or repair, Trenchless 40 L.F. |
| RES-2010532 | Electrical / panel | Finaled | Iss. Jun 19, 2020 | $1,300 | AA: existing panel 100 Amps - Overhead service, new main panel 100 Amps, Reuse Existing weather head/masthead work, main… |
| RES-2001350 | Roof replacement | Finaled | Iss. Jan 27, 2020 | $10,643 | E-Permit: Tear Off - Yes, Resheet - No, 1 layer(s), 27 squares of 30yr Laminated Dimensional Composition. CRRC: 0890-001… |
| RES-1718986 | Remodel / interior alteration | Finaled | Iss. Oct 13, 2017 | $3,000 | Permit to complete work commence under Res-1506481: REMODEL BATHROOM, NON-STRUCTURAL. REMOVE WALK-IN TUB & REPLACE WITH … |
| RES-1718069 |