$3,588,888
1737 Heron Ave, Sunnyvale 94087
AddressIntel AI Briefing
The optimal play is an SB 9 lot split into multiple units or a teardown-and-mansionize on this massive 12k+ sqft lot. With a perfect 100/100 ADU feasibility score and zero development blockers, the potential to build a high-density, high-value compound is outstanding.
Property Permit History
Recent Neighborhood Remodeling (Sunnyvale)
Parcel & Zoning Info
ADU Potential
Flag / irregular · Corner lot · ~117 ft frontage × 165 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 3,600 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
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
L. P. Collins Elementary
Cupertino Union
Sam H. Lawson Middle
Cupertino Union
Cupertino High
Fremont 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
89/100
Based on recent sales velocity and local demand in 94087.
Flippability Score
82/100
Measures neighborhood renovation density vs. recent permits on this property.
Bidding War Prob.
76%
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 3,600 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 94087: $1,527/sqft.
Projected Profit
Warning: Margin is tight for the construction risk.