roofy
For saleHouseNewScore 62

6-bedroom house for sale in Grasmere-Arrochar-South Beach-Dongan Hills

343 Mallory Ave, Grasmere-Arrochar-South Beach-Dongan Hills, Staten Island, New York, NY, 10305

$1,788,000
Asking price · in USD
Bedrooms
6: 6+ bedroom homes for sale in ZIP 10305
Bathrooms
4: Homes with 4+ bathrooms for sale in ZIP 10305
Size
4,106 ft² (381 m²)
Type
House: Houses for sale in ZIP 10305
Available
Now
Year built
2026: Building details

About this home

House for sale in Grasmere-Arrochar-South Beach-Dongan Hills, Staten Island: 6 bedrooms, 4 bathrooms, 4,106 ft². Asking price $1,788,000. Built in 2026.

From the original listing · Realtor.comShow

Welcome to 343 Mallory Avenue, a rare opportunity to own one of Staten Island's last newly constructed natural gas-powered two-family homes in an unbeatable location. This extraordinary new construction features an oversized 6-over-6 design with two spacious 3-bedroom, 2-bathroom residences, offering significantly more living space than a typical two-family home. Set on an oversized lot, this property provides exceptional indoor and outdoor space rarely found in new construction. Designed with luxury and quality in mind, this home is loaded with premium custom builder upgrades throughout, including stunning custom high-end kitchens with quartz countertops, modern designer bathrooms, beautiful hardwood flooring, and fully paid-off solar panels providing long-term energy savings. The spacious ground level offers endless possibilities for recreation, storage, or additional flexible living space. Outside, enjoy a large private backyard perfect for entertaining, relaxing, or creating your own outdoor oasis. A detached garage and ample off-street parking complete this exceptional property. Perfectly positioned just minutes from the Verrazzano Bridge with convenient access to transportation to NYC and Brooklyn. Enjoy close proximity to parks, South Beach Boardwalk, shopping, restaurants, and everything this highly desirable neighborhood has to offer. A rare combination of oversized new construction, luxury finishes, energy efficiency, generous outdoor space, and an exceptional location makes this an opportunity you won't want to miss.

Description from Realtor.com, shown as published there. See the original listing

Roofy listing score

Grade C, 62/100 · Fairly complete

How complete and honest this listing is, from what the source sites show and Roofy’s own checks. It isn’t a rating of the home or the agent. How the score works

  • Photos25/25
    • Full points: 51 photos15/15
    • Full points: Large, clear photos (about 1,000 px)10/10
  • Details15/20
    • Full points: Price stated3/3
    • Full points: Bedrooms stated2/2
    • Full points: Bathrooms stated2/2
    • Full points: Size stated2/2
    • Does not apply: Move-in date: does not apply2/2
    • Does not apply: Lease length: does not apply1/1
    • No points: No pet policy0/1
    • No points: Laundry not mentioned0/1
    • No points: Heat and utilities not mentioned0/1
    • No points: No amenities listed0/2
    • Full points: Description of 226 words3/3
  • True cost7/15
    • Some points: Taxes not stated4/8
    • Some points: Priced 43% above similar homes in its neighborhood, which take longer to sell3/7
  • Accuracy9/15
    • Nothing to compare: Listed on one site, nothing to compare3/6
    • Problem: Differs from city records (built 2023, 2 homes)2/5
    • Full points: Confirmed on its source site 3 days ago4/4
  • Legal6/10
    • Full points: No fair-housing problems found in the wording6/6
    • Problem: The agent’s license is not active0/4
  • Trust0/15
    • No points: Not claimed on Roofy by the agent or owner0/10
    • No points: The agent is not verified on Roofy0/5

Listed this home? Claim your agent page to add the trust points.

Scored Nov 2, 2026 · Score version 1. No one can pay to change a score.

Buying costs

What this price means for you: the monthly payment, and New York’s mansion tax, which the buyer pays on a home of $1 million or more.

Estimate the monthly payment Mansion tax on this price

Compared with the area

Asks $1,788,000, 43% above the median asking price for homes for sale with 4+ bedrooms in Grasmere-Arrochar-South Beach-Dongan Hills.

Median here
$1,249,500
24 listings, last 90 days
Typical range
$973,250–$1,451,250
The middle half of listings
Per ft²
$435.46 vs $461.99
This home vs the median, 6% lower

Priced above most similar homes here and on the market longer than usual.

Asking prices of listings on Roofy and listing sites in the last 90 days, not signed leases or sale prices. One currency, never converted.

More about Grasmere-Arrochar-South Beach-Dongan Hills

Location

Location as the listing shows it.Open in Google Maps

Nearby transit

  • Old TownSIR20 min walk
  • GrasmereSIR25 min walk
  • Dongan HillsSIR28 min walk

Nearby public schools · District 31

Distance only, not school zones. Check the zoned school with NYC Public Schools.

The building

2 units · 3 floors · built 2023

Building record (NYC)

NYC records as of Nov 1 (weekly)

343 Mallory Avenue · BBL 5-03417-0173 · built 2023 · 2 units

Roofy building score 96/100 · Well keptAbout the building, from HPD violations. Not an inspection.
Building type
Two-family home
Open HPD violations
None
Heat complaints
0 this season
Complaints, last 12 months
0
Rent stabilization
None in 2018–2024 tax bills
Last sale (12-month file)
No sales in our 12-month file

No open immediately hazardous (Class C) violations.

See the full building record

Public NYC records about the building, not about the person listing it. Buyers and renters can see them on city websites too. Source: NYC Open Data (DCP PLUTO, HPD, DOF).

Added to Roofy Oct 29, 2026Last checked on Realtor.com Oct 29, 2026Roofy doesn’t verify listings. Never send money before seeing a home.

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