3510 Harry Block St
Sacramento 95838 · West Del Paso Heights · City of Sacramento · Coordinates: 38.63124, -121.45011
Executive Verdict · Public-Records Synthesis
Zoned R-1-SPD in City of Sacramento with likely ADU & SB 9 infill eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $393,000 ($346,000–$440,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned R-1-SPD supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 4,800 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
- ✓ 1 documented municipal building permit on file
On-parcel permit history is indexed through May 28, 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: 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)
- ! Delayed or open permit activity on this parcel
New single-family home (RES-1922123): Issued after 6 mo (4.4× the 45d median) — slower than 90% of new single-family home permits in City of Sacramento (median 45d, 90th pct 184d, n=3,657).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (review-time benchmark)
- ! 4 slow or stalled nearby projects within ½ mile
Closest lead: New home at 441 Kesner Ave (0.37 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 (~$4,930/yr at $393,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$411/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:
- 4,800 sq ft (0.11 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03140
- Addresses on lot:
- 3510 HARRY BLOCK ST
Zoning & Land Use
R-1-SPD — 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 4,800 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 06067C0064J, 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: $346,000 – $440,000 · Status: Off market
HUD Small Area FMR (ZIP 95838) · FY 2026
Studio $1,610 · 1BR $1,690 · 2BR $2,080 · 3BR $2,770 · 4BR $3,190
Developments Deserving Closer Investigation & Active Area Builders
- New home at 441 Kesner Ave (In review)0.37 mi NW
In "In review" for 6 mo (since May 4, 2026), 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 "Finaled" in snapshot Nov 1, 2026.
- New single-family home (RES-1922123) (Finaled)On this parcel
Issued after 6 mo (4.4× the 45d median) — slower than 90% of new single-family home permits in City of Sacramento (median 45d, 90th pct 184d, n=3,657).
- New home at 3510 Harry Block St (Finaled / completed)On this parcel
High-impact scale (1 housing unit, 1 deed-restricted affordable, $252,986 declared valuation across 1 permit).
- Accessory dwelling unit at 616 S Ave (Entitled)0.11 mi NW
In "Entitled" for 4 yr (since Nov 9, 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: Del Paso Homes (1 on parcel, 90 in ½ mi · New single-family home); Cuttle Construction (90 in ½ mi · New single-family home); Bullard (20 in ½ mi · Addition (adds square footage)); Clark Wagaman Designs (4 in ½ mi · Addition (adds square footage)); Bhandal Construction (3 in ½ mi · New duplex / half-plex).
Permit & Project History on This Parcel (1 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-1922123 | New single-family home | Finaled | Iss. May 28, 2020 | $252,986 | Plan 4B-New 2 Story Single Family Residence-1st Floor:1153, 2nd Floor:743, Garage:425, Covered Porch:75, The landscaping… |
State HCD Housing Element APR records on this parcel: 1 entry (report years 2020).