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1,139 of 4,490 properties in Kensington are eligible for an accessory dwelling unit. 25.4% eligibility rate based on real NYC property data.
4,490
Total Properties
1,139
ADU Eligible
25.4%
Eligibility Rate
R5B / R5
Top Zones
3,180 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.
25.4% of Kensington properties qualify
Based on property data, here are the ADU types that Kensington homeowners can build.
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.
Construct a standalone cottage in the rear yard. Up to 800 sq ft under NYC rules. Requires sufficient lot area and setbacks.
Estimated costs and rental income based on real data from eligible properties in Kensington.
$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 Kensington. 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 Kensington homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Based on our analysis of 4,490 properties in Kensington, Brooklyn, 1,139 are eligible for an ADU under NYC Local Laws 126 & 127. That is a 25.4% eligibility rate. The most common zoning districts are R5B, R5, R1-2.
Properties in Kensington are eligible for Basement/Interior Conversion, Attached ADU, Detached Backyard ADU. The best option depends on your lot size (average in Kensington is 3,180 sq ft), existing structures, and budget. Use our eligibility checker for a personalized assessment.
Based on eligible properties in Kensington, 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 Kensington, 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 Kensington 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 Kensington.
Borough Park
Brooklyn
2,532
Properties
1,141
Eligible
45.1%
Rate
Windsor Terrace
Brooklyn
849
Properties
212
Eligible
25%
Rate
Flatbush
Brooklyn
972
Properties
151
Eligible
15.5%
Rate
Midwood
Brooklyn
10,292
Properties
2,773
Eligible
26.9%
Rate
Prospect Lefferts Gardens
Brooklyn
362
Properties
294
Eligible
81.2%
Rate
Gravesend
Brooklyn
8,870
Properties
2,682
Eligible
30.2%
Rate
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