521 20th St
Sacramento 95811 · Boulevard Park · City of Sacramento · Coordinates: 38.58137, -121.47759
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 $592,000 ($521,000–$663,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R-1B-SPD allows residential use qualifying for ministerial ADU review under state law (4 ADU permits permitted within ¼ mile in 36 months).
Source: City of Sacramento zoning · CA Gov. Code 66314
- ✓ 4 documented municipal building permits on file
On-parcel permit history is indexed through Jul 9, 2025, 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)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: 23rd & F Street - Mixed Use Apartments (0.18 mi E, 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 (~$7,199/yr at $592,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$600/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:
- 521 20TH 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: $521,000 – $663,000 · Status: Off market
HUD Small Area FMR (ZIP 95811) · FY 2026
Studio $1,840 · 1BR $1,930 · 2BR $2,380 · 3BR $3,170 · 4BR $3,650
Developments Deserving Closer Investigation & Active Area Builders
- 23rd & F Street - Mixed Use Apartments (In review)0.18 mi E
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).
- The Joule Apartments (Issued)0.39 mi S
Active in "Issued" for 3.2 yr (first record Aug 24, 2023) with no new permit activity recorded in 11 mo. High-impact scale (107 housing units, 9 deed-restricted affordable, $29,000,000 declared valuation across 13 permits). current_status changed to "Plan Check Wait" in snapshot Nov 1, 2026.
- 2101 J Mixed Use (Entitled)0.33 mi S
In "Entitled" for 3.9 yr (since Jan 5, 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 (40 housing units, $11,357,445 declared valuation across 2 permits).
- The Grace (Entitled)0.41 mi W
In "Entitled" for 3.4 yr (since Jun 27, 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 (26 housing units across 0 permits).
Entity-resolved builders & contractors in ½ mile: Roofs And Solar (1 on parcel, 1 in ½ mi · Roof replacement); Solar Roofing (1 on parcel, 1 in ½ mi · Roof replacement); Emc Plumbing (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Greenberg Clark (1 on parcel, 1 in ½ mi · Plumbing / water heater / sewer); Davis Reed Construction (24 in ½ mi · New commercial / non-residential building).
Permit & Project History on This Parcel (4 permits, 0 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-2514069 | Plumbing / water heater / sewer | Finaled | Iss. Jul 9, 2025 | $9,660 | Plumbing Permit: Replacing the remaining original galvanized water piping in the walls and above sub floor. Connecting … |
| RES-2207375 | Roof replacement | Finaled | Iss. Apr 7, 2022 | $21,500 | E-Permit: Tear Off - Yes, Resheet - No, 1 layer(s), 24 squares of 30yr Laminated Dimensional Composition. CRRC: 0890-003… |
| RES-2205823 | Roof replacement | Expired Permit | Iss. Mar 18, 2022 | $17,426 | E-Permit: Tear Off - Yes, Resheet - No, 1 layer(s), 26 squares of 30yr Laminated Dimensional Composition. CRRC: 0668-015… |
| RES-1900563 | Plumbing / water heater / sewer | Finaled | Iss. Jan 10, 2019 | $8,313 | Replace 60' of clay sewer line from cast Iron point of attachment behind house, through the neighboring property (517) t… |