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1,029 of 3,140 properties in Grant City are eligible for an accessory dwelling unit. 32.8% eligibility rate based on real NYC property data.
3,140
Total Properties
1,029
ADU Eligible
32.8%
Eligibility Rate
R3-1 / R3-2
Top Zones
3,344 ft²
Avg Lot Size
$2K–$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.
32.8% of Grant City properties qualify
Based on property data, here are the ADU types that Grant City 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 Grant City.
$100,000 – $250,000
Est. Construction Cost
$1,500 – $2,200/mo
Est. Monthly Rent
$22,200/yr
Est. Annual Income
Estimates are based on aggregate data from eligible properties in Grant City. 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 Grant City homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Based on our analysis of 3,140 properties in Grant City, Staten Island, 1,029 are eligible for an ADU under NYC Local Laws 126 & 127. That is a 32.8% eligibility rate. The most common zoning districts are R3-1, R3-2, R3X.
Properties in Grant City are eligible for Detached Backyard ADU, Basement/Interior Conversion, Attached ADU. The best option depends on your lot size (average in Grant City is 3,344 sq ft), existing structures, and budget. Use our eligibility checker for a personalized assessment.
Based on eligible properties in Grant City, 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 Grant City, Staten Island can generate an estimated $1,500 to $2,200 per month in rental income. At $1,850 per month, that is approximately $22,200 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 Grant City 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 Grant City.
Midland Beach
Staten Island
938
Properties
266
Eligible
28.4%
Rate
South Beach
Staten Island
515
Properties
220
Eligible
42.7%
Rate
New Dorp
Staten Island
3,674
Properties
787
Eligible
21.4%
Rate
Dongan Hills
Staten Island
3,601
Properties
883
Eligible
24.5%
Rate
Todt Hill
Staten Island
5,370
Properties
560
Eligible
10.4%
Rate
Oakwood
Staten Island
3,652
Properties
783
Eligible
21.4%
Rate
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