2800 34th Ave
San Francisco · Sunset/Parkside · San Francisco · Coordinates: 37.73521, -122.49104
Executive Verdict · Public-Records Synthesis
Zoned RH-1(D) in San Francisco with likely ADU & SB 9 infill eligibility and zero mapped flood, fire, or fault hazard overlaps; benchmark value $1,492,000 ($1,268,000–$1,716,000).
Upsides & Opportunities
- ✓ ADU & SB 9 infill pathways screen as likely eligible
Zoned RH-1(D) supports ministerial ADU/JADU review plus SB 9 both two-unit development and ministerial urban lot split on a 4,685 sq ft lot. Local precedent is active with 5 ADU permits within ¼ mile over the last 36 months.
Source: San Francisco zoning · CA Gov. Code 66314 & 65852.21
Watchouts & Due Diligence
- ! Mapped flood awareness zone (Zone X: minimal flood hazard)
all of the lot of the parcel intersects Zone X: minimal flood hazard. 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: 2306-2310 and 2312-2316 Vicente Street (0.25 mi N, approved). Inspect timeline history before assuming near-term completion.
Source: San Francisco Department of Building Inspection, Building Permits · HCD APR (½-mile radius)
- ! Year 1 Prop 13 tax reset (~$18,056/yr at $1,492,000)
Sale triggers reassessment to 1.00% base + ~0.18% voter debt (~$1,505/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:
- —
- Assessor use:
- —
- Addresses on lot:
- 2800 34TH AVE
Zoning & Land Use
RH-1(D) — RESIDENTIAL- HOUSE, ONE FAMILY- DETACHED (Residential)
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADULikely eligible
Zoned RH-1(D) (single-family residential): state law allows ADUs where homes are allowed.
- SB 9: two homes on the lotLikely eligible
Zoned RH-1(D), a single-family residential zone.
- SB 9: split into two lotsLikely eligible
Zoned RH-1(D), a single-family residential zone. The lot is 4,685 sq ft on the parcel map, 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: minimal flood hazard (all of the lot) · FIRM panel 0602980230A, effective March 23, 2021
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $1,268,000 – $1,716,000 · Status: Off market
HUD Metro FMR (San Francisco, CA HUD Metro FMR Area) · FY 2026
Studio $2,485 · 1BR $2,977 · 2BR $3,604 · 3BR $4,604 · 4BR $4,772
Nearby Activity (½ mile radius, since November 2024)
11 active or recent development projects (12 housing units across completed, permitted, and pipeline stages) and 514 total building permits recorded within ½ mile.
- Adds housing (ADU)7 permits (7 units)
Developments Deserving Closer Investigation & Active Area Builders
- 2306-2310 and 2312-2316 Vicente Street (Approved)0.25 mi N
In "Approved" for 6 yr (since Oct 31, 2020), exceeding the 637d median and 1391d 90th percentile for new multifamily / condos / mixed-use permits in San Francisco (n=95). High-impact scale (3 housing units, $1,653,117 declared valuation across 3 permits).
- New home at 235 Gellert Dr (Issued)0.4 mi S
Active in "Issued" for 3.5 yr (first record May 25, 2023) with no new permit activity recorded in 16 mo. High-impact scale (1 housing unit, $987,864 declared valuation across 3 permits).
- Accessory dwelling unit at 2715 Yorba St (Applied)0.26 mi W
In "Applied" for 7.7 yr (since Mar 4, 2019), exceeding the 934d median and 2097d 90th percentile for new single-family home permits in San Francisco (n=64).
- Accessory dwelling unit at 1275 Sloat Bl (Applied)0.3 mi E
In "Applied" for 7.2 yr (since Sep 13, 2019), exceeding the 934d median and 2097d 90th percentile for new single-family home permits in San Francisco (n=64).
Permit & Project History on This Parcel (0 permits, 0 grouped projects)
No building permits recorded on this parcel in our dataset.