$3,439,000
3109 Maddux Dr, Palo Alto 94303
AddressIntel AI Briefing
This asset is heavily compromised by dual environmental blockers: it sits directly in an active flood zone and a liquefaction zone. Furthermore, SB 9 is fully blocked, rendering high-density subdivision impossible. The property is best left as a standard single-family rental or light remodel with no major footprint extensions.
Property Permit History
Recent Neighborhood Remodeling (Palo Alto)
Parcel & Zoning Info
ADU Potential
Flag / irregular · Corner lot · ~126 ft frontage × 128 ft deep — a tucked-away rear unit is very private; access is typically via the pole driveway. A second street frontage lets an ADU take its own entrance and address.
Screening heuristic based on lot size, existing coverage, lot orientation, and hazard overlays. CA ADU law is ministerial statewide; verify max size, setbacks, and JADU owner-occupancy with the local planning dept.
Redevelopment Potential
Meaningful unused floor-area headroom under current zoning — room to add square footage. Zoning allows roughly 2,841 sqft of gross floor area on this lot.
Screening estimate comparing existing living area to the city's single-family floor-area limit. FAR rule curated from current municipal code. Source: PAMC 18.12.040 Table 2; max house size 6,000 sqft (as of 2026-06-30). Verify FAR, coverage, setbacks, and height with the local planning dept.
Hazard Snapshot
Flood Zone
Fire Severity
Liquefaction
Fault Zone
Not a substitute for a Natural Hazard Disclosure (NHD) report. Zones reflect available GIS data and may not cover all localities.
Nearby Public Schools
Ohlone Elementary
Palo Alto Unified
Frank S. Greene Jr. Middle
Palo Alto Unified
East Palo Alto Academy
Sequoia Union High
School boundaries are subject to change. Nearest school distance does not guarantee enrollment eligibility. Check with the local district. Data provided by CDE.
Proprietary Intelligence
Market Heat Index
65/100
Based on recent sales velocity and local demand in 94303.
Flippability Score
40/100
Measures neighborhood renovation density vs. recent permits on this property.
Bidding War Prob.
22%
Likelihood of multiple offers based on local list-to-sale ratios and DOM.
Proforma ROI Calculator
Back-of-the-napkin deal analysis across development strategies.
Based on 6 recent sales in 94303 averaging $1,464/sqft.
Projected Profit
Warning: Project is mathematically underwater.