817 Union St
Sacramento 95838 · Hagginwood · City of Sacramento · Coordinates: 38.62822, -121.44668
Executive Verdict · Public-Records Synthesis
Zoned R-1 in City of Sacramento with likely ministerial ADU eligibility and mapped FEMA AH flood due diligence; benchmark value $379,000 ($334,000–$424,000).
Upsides & Opportunities
- ✓ Ministerial ADU / JADU pathway likely eligible
Zone R-1 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
- ✓ 2 documented municipal building permits on file
On-parcel permit history is indexed through Aug 3, 2016, 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 Hagginwood
31 substantial renovation & housing permits over 24 months (16.8 per 1,000 parcels vs. 30.4 citywide baseline) (#10 of 102 neighborhoods).
Source: City of Sacramento CDD, Issued Building Permits (Current Year) (Hagginwood)
Watchouts & Due Diligence
- ! FEMA Special Flood Hazard Area (AH, all of the lot of lot)
Zone AH: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
Source: FEMA National Flood Hazard Layer (parcel polygon)
- ! 6 slow or stalled nearby projects within ½ mile
Closest lead: Northern Trail Apartments (0.26 mi S, 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 (~$4,771/yr at $379,000)
Sale triggers reassessment to 1.00% base + ~0.14% voter debt (~$398/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:
- 5,227 sq ft (0.12 ac)
- Assessor use:
- Residential · Single Family · Subdivision
- Tax rate area:
- 03213
- Addresses on lot:
- 817 UNION 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 lotPossible, with conditions
Zoned R-1, a single-family residential zone. FEMA Special Flood Hazard Area (Zone AH) covers all of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
- SB 9: split into two lotsPossible, with conditions
Zoned R-1, a single-family residential zone. The lot is 5,227 sq ft by the assessor, room for two lots of at least 1,200 sq ft, each at least 40% of the original. FEMA Special Flood Hazard Area (Zone AH) covers all of the lot: the project must meet the National Flood Insurance Program floodplain standards, or the lot needs a map revision.
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 AH: 1% annual chance flood (Special Flood Hazard Area) (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: $334,000 – $424,000 · 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
- Northern Trail Apartments (Entitled)0.26 mi S
In "Entitled" for 3.1 yr (since Oct 19, 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 (22 housing units, 2 deed-restricted affordable across 0 permits).
- Affordable Housing (Fee estimate)0.36 mi S
In "Fee estimate" for 3.1 yr (since Oct 16, 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 (29 housing units, $3,006,960 declared valuation across 1 permit).
- Accessory dwelling unit at 3333 Taylor St (In review)0.34 mi W
In "In review" for 4 mo (since Jun 29, 2026), exceeding the 45d median and 85d 75th percentile for new single-family home permits in City of Sacramento (n=3,657). valuation changed to "221828.1" in snapshot Nov 1, 2026.
- Accessory dwelling unit at 921 Rivera Dr (Entitled)480 ft SE
In "Entitled" for 3.7 yr (since Mar 2, 2023), 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: Tri West Homes (2 on parcel, 2 in ½ mi · New single-family home); Cuttle Construction (90 in ½ mi · New single-family home); Del Paso Homes (87 in ½ mi · New single-family home); Clark Wagaman Designs (5 in ½ mi · Addition (adds square footage)); Connected Technology (4 in ½ mi · Remodel / interior alteration).
Permit & Project History on This Parcel (2 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| RES-1612292 | Plan revision / deferred submittal | Complete | App. Aug 3, 2016 | — | REVISION TO RES-1505836, REVISED TRUSS CALCS |
| RES-1505836 | New single-family home | Finaled | Iss. May 13, 2016 | $213,064 | EXPEDITED (10/9/5) - Construct new 4 bed, 2bath single story single family residence: 1701 habitable square feet with 46… |