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ActiveSingle Family

$2,499,000

1040 Cassia Way, Sunnyvale 94086

Beds3
Baths2
Sqft1,631
DOM7
No Photos Available

AddressIntel AI Briefing

Stealth density via ADU/JADU addition represents the optimal path for this remodeled single-family home. The high existing value and moderate footprint limit the viability of a complete lot split or scrape.

Property Permit History

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

Recent Neighborhood Remodeling (Sunnyvale)

2026-07-21812 COVENTRY Sunnyvale CA 94087
Plumbing
--ISSUED
2026-07-21542 COLUMBIA Sunnyvale CA 94085
Plumbing
--ISSUED
2026-07-21973 LANTANA Sunnyvale CA 94086
Hvac
--ISSUED
2026-07-211299 AYALA Sunnyvale CA 94086
Renovation
--ISSUED
2026-07-211462 NOME Sunnyvale CA 94087
Plumbing
--ISSUED
2026-07-21813 LAKECHIME Sunnyvale CA 94089
Plumbing
--ISSUED

Parcel & Zoning Info

APN21315055
Official Lot Sqft6,534
Zoning Code--
SB 9 StatusLikely · up to 4 units
Unlock Pathways
Ministerial ADU Ministerial SB 9 Density Bonus
Entitlement RiskLow (0/100)

ADU Potential

Feasibility Score85/100
Max ADU Units2 (ADU + JADU)
Est. ADU Size1,200 sqft
Existing Coverage25%

Standard lot · Corner lot · ~68 ft frontage × 103 ft deeptypical proportions for a detached ADU behind or beside the home. 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 Score48/100
ClassExpansion room
FAR Utilization55% of allowed
Buildable Headroom+1,309 sqft

Meaningful unused floor-area headroom under current zoning — room to add square footage. Zoning allows roughly 2,940 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: Sunnyvale Muni Code Ch. 19.32, Table 19.32.020 (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

None
Not in a mapped state fire severity zone.

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.

Nearby Public Schools

Elementary School

Ponderosa Elementary

Santa Clara Unified

0.3 miles away
Middle School

Marian A. Peterson Middle

Santa Clara Unified

1.2 miles away
High School

New Valley Continuation High

Santa Clara Unified

0.9 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

75/100

Based on recent sales velocity and local demand in 94086.

Flippability Score

45/100

Measures neighborhood renovation density vs. recent permits on this property.

Bidding War Prob.

31%

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 94086 averaging $1,186/sqft.

Hard Costs$978,800
New Build2,447 sqft
Total Capital Required$3,652,800
Estimated Resale (ARV)$2,902,142

Projected Profit

-$750,658
-20.6% ROI

Warning: Project is mathematically underwater.

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