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283 of 849 properties in Richmondtown are eligible for an accessory dwelling unit. 33.3% eligibility rate based on real NYC property data.
849
Total Properties
283
ADU Eligible
33.3%
Eligibility Rate
R3-2 / R3-1
Top Zones
3,784 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.
33.3% of Richmondtown properties qualify
Based on property data, here are the ADU types that Richmondtown 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 Richmondtown.
$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 Richmondtown. 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 Richmondtown homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Based on our analysis of 849 properties in Richmondtown, Staten Island, 283 are eligible for an ADU under NYC Local Laws 126 & 127. That is a 33.3% eligibility rate. The most common zoning districts are R3-2, R3-1.
Properties in Richmondtown are eligible for Detached Backyard ADU, Basement/Interior Conversion, Attached ADU. The best option depends on your lot size (average in Richmondtown is 3,784 sq ft), existing structures, and budget. Use our eligibility checker for a personalized assessment.
Based on eligible properties in Richmondtown, 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 Richmondtown, 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 Richmondtown 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 Richmondtown.
Willowbrook
Staten Island
4,959
Properties
838
Eligible
16.9%
Rate
Bulls Head
Staten Island
3,389
Properties
891
Eligible
26.3%
Rate
New Springville
Staten Island
4,507
Properties
1,415
Eligible
31.4%
Rate
Westerleigh
Staten Island
6,439
Properties
529
Eligible
8.2%
Rate
Great Kills
Staten Island
3,784
Properties
1,103
Eligible
29.1%
Rate
Todt Hill
Staten Island
5,370
Properties
560
Eligible
10.4%
Rate
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