31-16 21st Street, Queens
Condominium · 52 units · built 2023 · Block 533, Lot 7503.
Building permits
- New Building — Large Residential, filed Oct 27, 2022, estimated cost $1.3M, 52 units, 8 stories, described as “Filing eight (8) story residential building with 52 dwelling units.”
- Alteration, filed Oct 4, 2023, estimated cost $10K, described as “Installation of 6,000 lbs gjj SC270G single car personal/material hoist as per plan in conjunction with gc: Q08016879. Work shall comply with 2022 NYC building code. No change in use, egress or occupancy.”
- Alteration, filed Aug 15, 2023, estimated cost $20K, described as “Installation of 300 psf sidewalk shed, pipe scaffolding, and needle beam as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
Property taxes
- Assessment
- $4,718,710
- 2026–27 tax
- $527,620
- Market value (city estimate)
- $10,486,002
- Taxable value
- $4,683,089
- Assessed land
- $770,406
- Assessed improvements
- $3,948,304
- Condo units with their own tax lots
- 54
Tax breaks
- Co-op and condo abatement, with no end date, a $50,549 credit this tax year.
Zoning
R7A: floor area ratio 3.96 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 11 ft (NAVD88).
Recent sales
- Sep 1, 2026: $1,185,000, Apt PH2-D
- Jul 24, 2026: $1,154,543, Apt 2J
- Jun 18, 2026: $1,030,000, Apt 3A
- Mar 31, 2026: $1,070,000, Apt 4C
- Jan 27, 2026: $1,276,163, Apt PH1-C
- Jan 15, 2026: $1,113,350, Apt 4A
- Jan 6, 2026: $751,825, Apt 4F
- Dec 19, 2025: $695,821, Apt 5G
- Dec 3, 2025: $1,030,000, Apt 3C
- Nov 25, 2025: $746,734, Apt PH1-F
The 10 most recent of 52 open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Permits Filed for 31-16 21st Street in Astoria, Queens, New York YIMBY, Mar 16, 2024.