# 31-16 21st Street, Queens

Condominium · 52 units · built 2023 · Block 533, Lot 7503.

On Umarelli: https://umarelli.org/nyc/4005337503/31-16-21-street

More construction in Astoria: https://umarelli.org/nyc/queens/astoria.md

## 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.

## 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.

## 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).

## In the news

[Permits Filed for 31-16 21st Street in Astoria, Queens](https://newyorkyimby.com/2024/03/permits-filed-for-31-16-21st-street-in-astoria-queens.html), New York YIMBY, Mar 16, 2024.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology