420 4th Ave
Sacramento 95818 · Upper Land Park · City of Sacramento · Coordinates: 38.55589, -121.51167
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 $761,000 ($670,000–$852,000).
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 29,010 sq ft lot. Local precedent is active with 5 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 Dec 5, 2024, 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 Upper Land Park
68 substantial renovation & housing permits over 24 months (42.8 per 1,000 parcels vs. 30.4 citywide baseline) (#27 of 102 neighborhoods).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (Upper Land Park)
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
Roof replacement (RES-2400886): Issued after 2 mo — slower than 90% of roof replacement permits in City of Sacramento (median 0d, 90th pct 2d, n=19,072).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (review-time benchmark)
- ! 5 slow or stalled nearby projects within ½ mile
Closest lead: Accessory dwelling unit at 826 8th Ave (0.47 mi S, applied). 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 (~$9,125/yr at $761,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$760/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:
- 29,010 sq ft (0.67 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03005
- Addresses on lot:
- 420 4TH 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 29,010 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 06067C0170H, 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: $670,000 – $852,000 · Status: Off market
HUD Small Area FMR (ZIP 95818) · FY 2026
Studio $1,950 · 1BR $2,050 · 2BR $2,520 · 3BR $3,350 · 4BR $3,870
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 826 8th Ave (Applied)0.47 mi S
In "Applied" for 7 mo (since Apr 29, 2026), exceeding the 45d median and 184d 90th percentile for new single-family home permits in City of Sacramento (n=3,657). issued_date changed to "2026-09-29" in snapshot Nov 1, 2026.
- Accessory dwelling unit at 557 Swanston Dr (Issued)150 ft SW
Active in "Issued" for 17 mo (first record Jun 27, 2025) with no new permit activity recorded in 13 mo. current_status changed to "Finaled" in snapshot Nov 1, 2026.
- Accessory dwelling unit at 657 Swanston Dr (Issued)0.16 mi E
Active in "Issued" for 16 mo (first record Jul 21, 2025) with no new permit activity recorded in 12 mo. current_status changed to "Finaled" in snapshot Nov 1, 2026.
- Roof replacement (RES-2400886) (Finaled)On this parcel
Issued after 2 mo — slower than 90% of roof replacement permits in City of Sacramento (median 0d, 90th pct 2d, n=19,072).
Entity-resolved builders & contractors in ½ mile: Huft Heating And Air Conditioning (1 on parcel, 1 in ½ mi · HVAC / heat pump); Bullseye Leak Detection (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Straight Line Roofing And Construction (1 on parcel, 1 in ½ mi · Roof replacement); Bk Demolition (1 on parcel, 1 in ½ mi · Demolition); Luminist Homes (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer).
Permit & Project History on This Parcel (5 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2426035 | Plumbing / water heater / sewer | Finaled | Iss. Dec 5, 2024 | $3,390 | Water Heater Permit: Water heater replacement. Replacing exterior tanked gas water heater with exterior tankless water … |
| RES-2407101 | Demolition | Finaled | Iss. Apr 5, 2024 | $5,200 | Demolition of 500SQFT detached garage. No additions. Carbon monoxide & Smoke alarms required. Reference CRC sections R… |
| RES-2400886 | Roof replacement | Finaled | Iss. Mar 8, 2024 | $11,700 | Roof Permit: Work on house only. Tear off 1 layer of existing shingles and install 39 squares of Owens Corning TruDefin… |
| RES-2404361 | Plumbing / water heater / sewer | Finaled | Iss. Feb 29, 2024 | $15,955 | AA: Water Service replacement or repair, 120 L.F. Trenchless boring, HDPE piping. Water conserving fixtures are requir… |