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571 of 2,186 properties in Eastchester are eligible for an accessory dwelling unit. 26.1% eligibility rate based on real NYC property data.
2,186
Total Properties
571
ADU Eligible
26.1%
Eligibility Rate
R4 / R4A
Top Zones
2,866 ft²
Avg Lot Size
$1K–$2K
Est. Monthly Rent
Under NYC Local Laws 126 & 127 (City of Yes for Housing Opportunity), homeowners in eligible zoning districts can add an accessory dwelling unit to their property.
26.1% of Eastchester properties qualify
Based on property data, here are the ADU types that Eastchester homeowners can build.
Construct a standalone cottage in the rear yard. Up to 800 sq ft under NYC rules. Requires sufficient lot area and setbacks.
Build a new ADU attached to the existing home -- such as a side or rear addition. Shares at least one wall with the primary structure.
Convert existing basement or interior space into a self-contained dwelling unit with separate entrance, kitchen, bathroom, and sleeping area.
Estimated costs and rental income based on real data from eligible properties in Eastchester.
$100,000 – $250,000
Est. Construction Cost
$1,400 – $2,000/mo
Est. Monthly Rent
$20,400/yr
Est. Annual Income
Estimates are based on aggregate data from eligible properties in Eastchester. Actual costs vary by ADU type, size, site conditions, and finishes. Using HPD pre-approved plans can save $15,000–$40,000 on design costs.
Up to $395,000 in combined loans and grants (including up to $175,000 as a grant) for eligible Eastchester homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Based on our analysis of 2,186 properties in Eastchester, The Bronx, 571 are eligible for an ADU under NYC Local Laws 126 & 127. That is a 26.1% eligibility rate. The most common zoning districts are R4, R4A, R5.
Properties in Eastchester are eligible for Detached Backyard ADU, Attached ADU, Basement/Interior Conversion. The best option depends on your lot size (average in Eastchester is 2,866 sq ft), existing structures, and budget. Use our eligibility checker for a personalized assessment.
Based on eligible properties in Eastchester, estimated ADU construction costs range from $100,000 to $250,000. Actual costs depend on the ADU type, size, site conditions, and finishes. Using HPD pre-approved plans can save $15,000-$40,000 on design costs.
ADUs in Eastchester, The Bronx can generate an estimated $1,400 to $2,000 per month in rental income. At $1,700 per month, that is approximately $20,400 per year in gross rental income.
Yes. The Plus One ADU Program offers up to $395,000 in combined loans and grants (including up to $175,000 as a grant) for eligible homeowners in Eastchester and all NYC neighborhoods. You must be owner-occupied, below 165% AMI, and commit to a 10-year rental period. Applications are open until June 12, 2026.
Explore ADU eligibility in areas near Eastchester.
Wakefield
The Bronx
3,283
Properties
594
Eligible
18.1%
Rate
Williamsbridge
The Bronx
6,456
Properties
2,182
Eligible
33.8%
Rate
Pelham Gardens
The Bronx
1,790
Properties
798
Eligible
44.6%
Rate
Woodlawn
The Bronx
1,104
Properties
123
Eligible
11.1%
Rate
Morris Park
The Bronx
6,343
Properties
2,048
Eligible
32.3%
Rate
Westchester Square
The Bronx
1,678
Properties
283
Eligible
16.9%
Rate
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