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ActiveSingle Family

$7,588,000

10650 Magdalena Rd, Los Altos Hills 94024

Beds5
Baths4.5
Sqft6,729
DOM21
No Photos Available

AddressIntel AI Briefing

The optimal play is stealth density: primary + ADU + JADU because the Very High Fire Hazard Severity Zone blocks SB 9 eligibility entirely. The fire hazard also increases construction insurance and mitigation costs on this large parcel. High-income demographics support premium rental or multi-generational living configurations.

Property Permit History

No permit history found directly associated with this property's address.

Recent Neighborhood Remodeling (Los Altos Hills)

Parcel & Zoning Info

APN33635011
Official Lot Sqft44,867
Zoning Code--
SB 9 StatusBlocked
SB 9 Block Reasons
Very High Fire Severity Zone
Development Blockers
Very High Fire Zone
Unlock Pathways
Ministerial ADU
Entitlement RiskLow (20/100)

ADU Potential

Feasibility Score93/100
Max ADU Units2 (ADU + JADU)
Est. ADU Size1,200 sqft
Existing Coverage15%

Flag / irregular · Corner lot · ~263 ft frontage × 309 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

Redevelopment Score15/100
ClassBuilt out
FAR Utilization109% of allowed
Buildable Headroom+0 sqft

Existing home already uses most of the allowable floor area, little expansion headroom. Zoning allows roughly 6,180 sqft of gross floor area on this lot.

Screening estimate comparing existing living area to the city's single-family floor-area limit. City sets no explicit FAR (or is not individually curated); allowable area is a conservative estimate. Source: Los Altos Hills Muni Code 10-1.503 (MFA = LUF x slope formula) (as of 2026-06-30). Verify FAR, coverage, setbacks, and height with the local planning dept.

Hazard Snapshot

Flood Zone

X
Area of minimal flood hazard.

Fire Severity

Very High
Elevated fire risk; impacts insurance cost and building materials.

Liquefaction

No
Not in a mapped liquefaction zone.

Fault Zone

No
Not in a mapped Alquist-Priolo fault zone.

Not a substitute for a Natural Hazard Disclosure (NHD) report. Zones reflect available GIS data and may not cover all localities. Liquefaction and fault flags: modified from California Geological Survey, Web Service of Official Maps of Alquist-Priolo Earthquake Fault Zones and Web Service of Official Maps of Seismic Hazard Zones (2025).

Nearby Public Schools

Elementary School

Loyola Elementary

Los Altos Elementary

1.8 miles away
Middle School

Georgina P. Blach Junior High

Los Altos Elementary

2.4 miles away
High School

Palo Alto Middle College High

Palo Alto Unified

1.1 miles away

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

71/100

Based on recent sales velocity and local demand in 94024.

Flippability Score

45/100

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 6,180 sqft here, less than the 6,729 sqft standing today, so a compliant rebuild would be smaller than the existing house. We don't quote a return on this one. Demolishing generally forfeits the existing non-conforming floor area, so treat it as a remodel or check the local code for what it lets you rebuild.

Median of 6 recent single-family sales in Los Altos Hills (94024): $1,314/sqft, plus 5% because new houses sold at a median 1.07x their comps across 239 real rebuilds. Sized within 25% of the 6,700 sqft build, because smaller houses sell for more per foot and pricing a rebuild off them overstates resale.

Commission, transfer tax and closing. Deducted from resale before profit, so the ROI below is net of the exit rather than gross.

Interest on the purchase price for the whole project plus half the build budget, since construction draws ramp up. The default is 7% over 33 months, the median purchase-to-sale time of 239 real Peninsula and South Bay rebuilds. Set the rate to 0 for a cash purchase, or use your own lender's terms.

Hard Costs$3,410,000
New Build6,200 sqft
Total Capital Required$11,173,000
Estimated Resale (ARV)$8,556,000
Cost of Sale (5%)-$427,800
Carry (33mo @ 7%)-$1,805,746
Net Proceeds$6,322,454

Projected Profit

-$4,850,546
-43.4% ROI

Warning: Project is mathematically underwater.

Recent Comparables (Los Altos Hills 94024)

Sized to the modelled 6,700 sqft build: sales within 25% of it. Smaller houses sell for more per foot, so pricing a rebuild off them overstates resale.

10340 W Loyola Dr

Sold
$8,228,000
Sold: 2026-06-04
Lot: 59,241
Sqft: 5822
$/Sqft: $1,413

24292 Elise Ct

Sold
$7,056,000
Sold: 2026-04-21
Lot: 43,560
Sqft: 7598
$/Sqft: $929

11027 Eastbrook Ave

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$4,200,000
Sold: 2025-11-05
Lot: 55,691
Sqft: 5172
$/Sqft: $812

23525 Ravensbury Ave

Sold
$7,000,000
Sold: 2025-10-22
Lot: 49,658
Sqft: 5765
$/Sqft: $1,214

11921 Hilltop Dr

Sold
$12,035,000
Sold: 2025-04-10
Lot: 52,708
Sqft: 6332
$/Sqft: $1,901

10560 Blandor Way

Sold
$8,500,000
Sold: 2025-04-01
Lot: 57,064
Sqft: 5421
$/Sqft: $1,568