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2,682 of 8,870 properties in Gravesend are eligible for an accessory dwelling unit. 30.2% eligibility rate based on real NYC property data.
8,870
Total Properties
2,682
ADU Eligible
30.2%
Eligibility Rate
R4-1 / R5B
Top Zones
2,665 ft²
Avg Lot Size
$2K–$3K
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.
30.2% of Gravesend properties qualify
Based on property data, here are the ADU types that Gravesend 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.
Convert existing basement or interior space into a self-contained dwelling unit with separate entrance, kitchen, bathroom, and sleeping area.
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.
Estimated costs and rental income based on real data from eligible properties in Gravesend.
$150,000 – $350,000
Est. Construction Cost
$2,200 – $3,000/mo
Est. Monthly Rent
$31,200/yr
Est. Annual Income
Estimates are based on aggregate data from eligible properties in Gravesend. 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 Gravesend homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Based on our analysis of 8,870 properties in Gravesend, Brooklyn, 2,682 are eligible for an ADU under NYC Local Laws 126 & 127. That is a 30.2% eligibility rate. The most common zoning districts are R4-1, R5B, R5.
Properties in Gravesend are eligible for Detached Backyard ADU, Basement/Interior Conversion, Attached ADU. The best option depends on your lot size (average in Gravesend is 2,665 sq ft), existing structures, and budget. Use our eligibility checker for a personalized assessment.
Based on eligible properties in Gravesend, estimated ADU construction costs range from $150,000 to $350,000. 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 Gravesend, Brooklyn can generate an estimated $2,200 to $3,000 per month in rental income. At $2,600 per month, that is approximately $31,200 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 Gravesend 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 Gravesend.
Midwood
Brooklyn
10,292
Properties
2,773
Eligible
26.9%
Rate
Sheepshead Bay
Brooklyn
6,204
Properties
1,791
Eligible
28.9%
Rate
Brighton Beach
Brooklyn
2,450
Properties
530
Eligible
21.6%
Rate
Bensonhurst
Brooklyn
11,659
Properties
5,034
Eligible
43.2%
Rate
Borough Park
Brooklyn
2,532
Properties
1,141
Eligible
45.1%
Rate
Kensington
Brooklyn
4,490
Properties
1,139
Eligible
25.4%
Rate
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