510 28th St
Sacramento 95816 · Marshall School · City of Sacramento · Coordinates: 38.57902, -121.46728
Executive Verdict · Public-Records Synthesis
Zoned R-1B-SPD in City of Sacramento with likely ministerial ADU eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $766,000 ($674,000–$858,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R-1B-SPD allows residential use qualifying for ministerial ADU review under state law (7 ADU permits permitted within ¼ mile in 36 months).
Source: City of Sacramento zoning · CA Gov. Code 66314
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through Nov 30, 2021, letting you verify roof, HVAC, electrical, or structural work against seller disclosures.
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (parcel APN)
- ✓ Above-average reinvestment in Marshall School
26 substantial renovation & housing permits over 24 months (48.1 per 1,000 parcels vs. 30.4 citywide baseline) (#59 of 102 neighborhoods).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (Marshall School)
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: Democracy Alley Residences (0.12 mi NE, entitled). 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 (~$9,182/yr at $766,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$765/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:
- 3,049 sq ft (0.07 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03005
- Addresses on lot:
- 510 28TH ST
Zoning & Land Use
R-1B-SPD — Single-Unit or Duplex 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-1B (two-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotCan't tell
Zoned R-1B (two-family residential): we can't tell whether it counts as a single-family zone for SB 9. Single-Unit or Duplex Dwelling Zone.
- SB 9: split into two lotsCan't tell
Zoned R-1B (two-family residential): we can't tell whether it counts as a single-family zone for SB 9. Single-Unit or Duplex Dwelling Zone.
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: $674,000 – $858,000 · Status: Off market
HUD Small Area FMR (ZIP 95816) · FY 2026
Studio $2,120 · 1BR $2,220 · 2BR $2,730 · 3BR $3,630 · 4BR $4,190
Developments Deserving Closer Investigation & Active Area Builders
- Democracy Alley Residences (Entitled)0.12 mi NE
In "Entitled" for 2.4 yr (since Jun 20, 2024), exceeding the 210d median and 627d 90th percentile for new multifamily / condos / mixed-use permits in City of Sacramento (n=199). High-impact scale (10 housing units across 0 permits).
- 23rd & F Street - Mixed Use Apartments (In review)0.41 mi W
In "In review" for 2.7 yr (since Mar 6, 2024), exceeding the 210d median and 627d 90th percentile for new multifamily / condos / mixed-use permits in City of Sacramento (n=199). High-impact scale (33 housing units, $2,961,763 declared valuation across 1 permit).
- Equipment Building, fiber-optic (Issued)0.29 mi N
Active in "Issued" for 21 mo (first record Feb 7, 2025) with no new permit activity recorded in 13 mo. current_status changed to "Expired Permit" in snapshot Nov 1, 2026.
- D Street Duplexes (Entitled)0.12 mi NE
In "Entitled" for 2.3 yr (since Jul 9, 2024), exceeding the 184d median and 575d 90th percentile for new duplex / half-plex permits in City of Sacramento (n=115).
Entity-resolved builders & contractors in ½ mile: Air Zone Heating And Air (1 on parcel, 1 in ½ mi · HVAC / heat pump); TNHC Realty And Construction (31 in ½ mi · New single-family home); Wfc Builders (17 in ½ mi · Commercial tenant improvement); West Fork Construction (8 in ½ mi · Commercial tenant improvement); Mack Construction (8 in ½ mi · Addition (adds square footage)).
Permit & Project History on This Parcel (1 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2125311 | HVAC / heat pump | Expired Permit | Iss. Nov 30, 2021 | $9,200 | No Duct Work Permitted. Change-out Ground Mount to Ground Mount. The existing unit shall be removed. The new unit shall … |