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New Dorp is one of Staten Island's most ADU-friendly neighborhoods with large lots and affordable construction costs. The suburban feel and strong community make it ideal for homeowners looking to add rental income.
~2,800
Eligible Properties
R3, R3A
Common Zones
3,500–5,000 sq ft
Avg Lot Size
Backyard Cottage
Typical ADU Types
$90,000–$390,000
Construction Cost
$1,500–$2,100/mo
Est. Monthly Rent
The best ADU type depends on your lot size, existing structures, and budget. Here are the most viable options for New Dorp homeowners.
New Dorp's large lots (3,500–5,000 sq ft) provide ample space for a detached backyard ADU. Many properties have wide rear yards with easy access for construction, making this the ideal ADU type for the area.
Oversized detached garages are standard in New Dorp. Converting a 2-car garage into a 1-bedroom ADU is a practical, cost-effective option that maximizes existing structures.
Many New Dorp homes have full walk-out basements, especially on sloped lots. These conversions are the most affordable path to an ADU and benefit from natural light through walk-out access.
Construction costs vary by ADU type, size, site conditions, and finishes. These ranges reflect typical New Dorp projects.
| ADU Type | Estimated Cost | Timeline |
|---|---|---|
| Basement Conversion | $90,000–$195,000 | 3–6 months |
| Garage Conversion | $130,000–$255,000 | 4–7 months |
| Detached Backyard ADU | $200,000–$390,000 | 6–12 months |
Estimates include design, permitting, construction, and utility connections. Using HPD pre-approved plans can save $15,000–$40,000 on design costs.
Enter your address to see if your New Dorp property qualifies for an ADU under NYC Local Laws 126 & 127. It takes under 2 minutes.
Check Eligibility NowADU interest is growing across New Dorp. Here is a snapshot of recent activity in your area.
9
ADU permits filed in 10306
~2,800
Eligible properties in New Dorp
$1,500–$2,100/mo
Estimated ADU rental income
Most likely. New Dorp has approximately 2,800 eligible properties in R3 and R3A zoning districts. The neighborhood's large lots and detached homes make it one of Staten Island's top ADU areas. Check your specific address with our free eligibility tool.
Backyard cottages are the standout option in New Dorp thanks to generous lot sizes. Garage conversions are also very popular given the prevalence of large detached garages. Basement conversions are the most budget-friendly option if your home has a full basement.
A 1-bedroom ADU in New Dorp typically rents for $1,500–$2,100/month. While rents are lower than Brooklyn, the significantly lower construction costs (starting at $90K) mean your ROI can be equally competitive. At $1,800/month, you would earn $21,600/year.
NYC offers grants and low-interest loans to help homeowners fund ADU construction.
Up to $395,000 in combined loans and grants (including up to $175,000 as a grant) for eligible New Dorp homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Interested in ADU opportunities near New Dorp? Check out these adjacent neighborhoods.
Check if your New Dorp property qualifies in under 2 minutes, or explore pre-approved ADU plans that fit your lot.