5 NYC Neighborhoods Where ADUs Make the Most Financial Sense

the math on ADUs varies wildly depending on where you build. a backyard cottage in one neighborhood might pay for itself in 6 years. the same build a few miles away could take 15. the difference comes down to three factors: construction costs, rental income potential, and property value impact.

we analyzed data across all five boroughs to find the neighborhoods where the ADU investment equation works best right now. if you're considering building, these are the areas where the numbers actually make sense.

want to run the numbers for your specific property? use our ROI calculator for a personalized estimate.

how we ranked these neighborhoods

we evaluated neighborhoods based on four metrics:

• build cost per square foot -- what it actually costs to construct an ADU in the area (labor, materials, permits)
• achievable rental income -- what a legal, code-compliant ADU unit can rent for based on current market rates
• payback period -- how many years of rental income it takes to recoup the full construction cost
• property value uplift -- estimated increase in property value from adding a legal ADU

1. eltingville / great kills, staten island

metric	estimate
avg. build cost (600 sq ft backyard cottage)	$150,000 - $200,000
monthly rental income	$1,800 - $2,500
annual gross income	$21,600 - $30,000
estimated payback period	6 - 8 years
property value increase	15% - 25%

staten island is the sleeper pick for ADU investment and it's not even close. the south shore neighborhoods of eltingville and great kills have the largest residential lots in the city, which means more room for backyard cottages and fewer zoning headaches around setbacks and lot coverage.

construction costs here are the lowest of any borough -- contractors charge less, materials transport is easier, and the simpler lot configurations mean fewer engineering complications. meanwhile, rental demand is climbing as more people get priced out of brooklyn and manhattan.

with build costs under $200K and rents pushing toward $2,500/month for a modern one-bedroom unit, the payback math in eltingville is some of the best in the city. staten island has an estimated 11,500+ ADU-eligible lots, most of which haven't been touched yet.

read our full staten island ADU guide for more details.

2. east elmhurst / jackson heights, queens

metric	estimate
avg. build cost (600 sq ft backyard cottage)	$180,000 - $250,000
monthly rental income	$2,200 - $3,000
annual gross income	$26,400 - $36,000
estimated payback period	6 - 8 years
property value increase	18% - 28%

queens leads all boroughs with 28,400+ ADU-eligible properties, and east elmhurst / jackson heights sits at the sweet spot of the investment curve. build costs are moderate (lower than brooklyn, slightly higher than staten island), but rental demand is extremely strong.

these neighborhoods benefit from excellent transit access (the 7 train, multiple bus routes, proximity to LGA), a dense and growing rental market, and lot sizes that comfortably support detached backyard units. one-bedroom rents in the area consistently hit $2,500+ for modern, legal units.

the combination of moderate build costs and strong rents gives east elmhurst one of the fastest payback periods in the city. if you're looking at queens, this corridor is where the numbers are strongest.

see our full queens ADU guide for neighborhood-by-neighborhood analysis.

3. bay ridge / dyker heights, brooklyn

metric	estimate
avg. build cost (basement conversion)	$120,000 - $180,000
monthly rental income	$2,000 - $2,800
annual gross income	$24,000 - $33,600
estimated payback period	5 - 7 years
property value increase	12% - 20%

brooklyn's ADU story is primarily about basement conversions, and bay ridge / dyker heights is ground zero. these neighborhoods are packed with one- and two-family homes that already have usable below-grade space -- many with existing (illegal) basement apartments that can now be legalized under Local Law 126.

the economics of basement conversions are fundamentally different from new construction. you're not building from scratch; you're upgrading existing space. that means lower costs ($120K-$180K vs $200K+ for a new cottage) and faster timelines. the trade-off is that basement units rent for somewhat less than above-grade cottages, but the ROI per dollar invested is often better.

homeowners in bay ridge can now legalize existing units, charge market-rate rent without code violation risk, and potentially qualify for Plus One financing to cover the conversion costs. if you already have a basement with decent ceiling height, this is the lowest-risk ADU investment in the city.

note: the Special Bay Ridge District has restrictions on backyard ADUs, so basement and garage conversions are the primary opportunity here. check your specific address to confirm eligibility.

explore our brooklyn ADU guide for more.

4. morris park / pelham bay, bronx

metric	estimate
avg. build cost (600 sq ft backyard cottage)	$150,000 - $210,000
monthly rental income	$1,600 - $2,200
annual gross income	$19,200 - $26,400
estimated payback period	7 - 9 years
property value increase	20% - 30%

the bronx is where the property value uplift story gets interesting. home prices here are the lowest of the outer boroughs, which means adding a legal ADU has a proportionally larger impact on your property's total value. a $180,000 cottage that adds 25% to a $600,000 home creates $150,000 in equity on top of the rental income.

morris park and pelham bay have concentrations of single-family detached homes on lots large enough for backyard construction. rents are lower than brooklyn or queens, but so are build costs. the bronx has approximately 6,100 ADU-eligible properties, making it a less competitive market where contractors are more available and timelines are shorter.

if you're a bronx homeowner looking for the highest percentage return on investment, an ADU here can fundamentally change your financial picture. the gross yield (4-5.5%) combined with property appreciation makes this a strong long-term play.

read our bronx ADU guide for the full picture.

5. south ozone park / richmond hill, queens

metric	estimate
avg. build cost (garage conversion)	$130,000 - $190,000
monthly rental income	$1,800 - $2,500
annual gross income	$21,600 - $30,000
estimated payback period	5 - 7 years
property value increase	15% - 22%

south ozone park and richmond hill make this list because of the garage conversion opportunity. these neighborhoods have an unusually high concentration of detached and attached garages on residential lots, and garage conversions are one of the most cost-effective ADU types.

unlike backyard cottages, garage conversions avoid many zoning restrictions (including historic district limitations) because you're working within an existing structure's footprint. the foundation, walls, and roof already exist -- you're adding insulation, utilities, windows, and interior finishes.

rents in south ozone park are solid ($1,800-$2,500 for a studio to one-bedroom), and the relatively low conversion costs mean you can be cash-flow positive in year one if you finance the build through Plus One or a HELOC.

this area is also well-positioned for rental demand: close to JFK, good bus service, and a steady tenant base of working professionals and families.

the investment framework

here's a side-by-side comparison of all five neighborhoods:

neighborhood	best ADU type	build cost range	monthly rent	payback years
eltingville / great kills	backyard cottage	$150K-$200K	$1,800-$2,500	6-8
east elmhurst / jackson heights	backyard cottage	$180K-$250K	$2,200-$3,000	6-8
bay ridge / dyker heights	basement conversion	$120K-$180K	$2,000-$2,800	5-7
morris park / pelham bay	backyard cottage	$150K-$210K	$1,600-$2,200	7-9
south ozone park / richmond hill	garage conversion	$130K-$190K	$1,800-$2,500	5-7

key takeaways

• fastest payback: basement conversions in bay ridge and garage conversions in south ozone park (5-7 years) because the lower build costs accelerate your return.
• highest rental income: east elmhurst / jackson heights (up to $3,000/month) thanks to strong transit access and rental demand.
• biggest property value impact: bronx neighborhoods where home prices are lower and the percentage uplift is highest.
• lowest risk entry point: staten island, where build costs are cheapest and lot sizes give you the most flexibility.

every property is different. these are averages based on market data, and your specific numbers will depend on your lot, your chosen ADU type, and current contractor availability. run your personalized estimate with our ROI calculator, or check your eligibility to get started.

ready to see the numbers for your property? try the ROI calculator -- it's free and takes 2 minutes.