$5,498,000
1389 Chelsea Dr, Los Altos 94024
AddressIntel AI Briefing
This 1961 home on a large lot is ripe for a teardown-and-mansionize play in an ultra-wealthy Los Altos enclave with 97% owner-occupancy. With no local environmental hazards, builders can maximize the 40% FAR to unlock a lucrative custom rebuild near the $7M ARV ceiling.
Property Permit History
Recent Neighborhood Remodeling (Los Altos)
Parcel & Zoning Info
ADU Potential
Wide & shallow · Corner lot · ~102 ft frontage × 104 ft deep, limited depth, an ADU likely sits beside the house rather than behind it. 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
Existing home already uses most of the allowable floor area, little expansion headroom. Zoning allows roughly 3,354 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: Los Altos Muni Code 14.06.070 (R1-10) (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
Oak Avenue Elementary
Los Altos Elementary
Georgina P. Blach Junior High
Los Altos Elementary
Mountain View High
Mountain View-Los Altos 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
73/100
Based on recent sales velocity and local demand in 94024.
Flippability Score
75/100
Measures neighborhood renovation density vs. recent permits on this property.
Bidding War Prob.
49%
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.
Zoning allows roughly 3,354 sqft on this lot, and the default builds to that envelope. The FAR figure is a discretionary-review trigger, not a hard cap.
Median of 6 recent single-family sales in 94024: $2,110/sqft.
Projected Profit
Warning: Margin is tight for the construction risk.