657 40th St
Sacramento 95819 · East Sacramento · City of Sacramento · Coordinates: 38.57272, -121.45061
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 $789,000 ($694,000–$884,000).
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 6,552 sq ft lot. Local precedent is active with 18 ADU permits within ¼ mile over the last 36 months.
Source: City of Sacramento zoning · CA Gov. Code 66314 & 65852.21
- ✓ Documented permitted upgrades (+$20,634 contributory est.)
Public building records show issued construction/renovation work on this parcel (2 total permits, latest Dec 18, 2025).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (parcel APN)
- ✓ Above-average reinvestment in East Sacramento
522 substantial renovation & housing permits over 24 months (62.3 per 1,000 parcels vs. 30.4 citywide baseline) (#48 of 102 neighborhoods).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (East Sacramento)
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: reduced flood risk due to levee)
all of the lot of the parcel intersects Zone X: reduced flood risk due to levee. 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 512 San Miguel Way (0.17 mi NW, 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 (~$9,445/yr at $789,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$787/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:
- 6,552 sq ft (0.15 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03005
- Addresses on lot:
- 657 40TH ST
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 6,552 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: reduced flood risk due to levee (all of the lot) · FIRM panel 06067C0180J, 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: $694,000 – $884,000 · Status: Off market
HUD Small Area FMR (ZIP 95819) · FY 2026
Studio $2,050 · 1BR $2,150 · 2BR $2,640 · 3BR $3,510 · 4BR $4,050
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 512 San Miguel Way (In review)0.17 mi NW
In "In review" for 4.4 yr (since Jul 7, 2022), exceeding the 45d median and 184d 90th percentile for new single-family home permits in City of Sacramento (n=3,657). current_status changed to "Expired Application" in snapshot Nov 1, 2026.
- New home at 3945 L St (Issued)0.4 mi SW
Active in "Issued" for 18 mo (first record May 20, 2025) with no new permit activity recorded in 15 mo. High-impact scale (1 housing unit, $800,000 declared valuation across 3 permits).
- 2 new homes at 539 41st St (Entitled)0.13 mi NE
In "Entitled" for 3.6 yr (since Apr 25, 2023), exceeding the 184d median and 575d 90th percentile for new duplex / half-plex permits in City of Sacramento (n=115).
- Accessory dwelling unit at 4225 Frog Aly (Entitled)0.16 mi E
In "Entitled" for 2.5 yr (since May 28, 2024), 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: Yancey (1 on parcel, 7 in ½ mi · Remodel / interior alteration); Brighter Life Electric (1 on parcel, 1 in ½ mi · Electrical / panel); Tms Construction (34 in ½ mi · Addition (adds square footage)); Wells Pools (26 in ½ mi · Pool / spa); Connected Technology (25 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (2 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2526842 | Electrical / panel | Finaled | Iss. Dec 18, 2025 | $8,000 | E-Permit: existing panel 200 Amps - Overhead service, rewiring 600 sq ft. |
| RES-2003528 | Addition (adds square footage) | Finaled | Iss. Feb 27, 2020 | $36,200 | EXPEDITED - Construct 160-sqft patio enclosure to detached exercise room w/ ceiling fan. Smoke & Carbon Monoxide Alarms… |