Milton Coste

Licensed Real Estate Associate Broker

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Recent Sales · Flatiron

What Sold in Flatiron Recently

Milton Coste |Licensed Real Estate Associate Broker |September 26, 2026 · 10 min read

18 homes closed in Flatiron over the last 30 days. Here is what each sold for and how long it took.

Recorded sale prices are the clearest read on what a Flatiron home is worth today. I track every closing in the neighborhood so a seller can price against real comparables, not asking-price guesswork.

Flatiron over the last 12 months

Median recorded sale prices from closings across the neighborhood.

  • Co-ops · $1,122,500 · $1,044/sqft · 95% of ask · +18% YoY (77 sales)
  • Condos · $2,762,500 · $1,784/sqft · 95% of ask · +9% YoY (140 sales)

Closed Below the Median

4 sales in this group.

49 E 21ST Street #11D
49 E 21ST Street #11D · $1,970,000 · 2 bed · Listing courtesy of Serhant

49 E 21ST Street #11D, a 2-bedroom condo, sold for $1,970,000 after 502 days on the market. That landed below the neighborhood 2-bedroom condo median of $2,574,500. It follows #2C in the same building, which closed at $1,950,000.

Building sales history →

21 E 22ND Street #9F
21 E 22ND Street #9F · $1,500,000 · 2 bed · Listing courtesy of Corcoran Group

21 E 22ND Street #9F, a 2-bedroom in a 1955 building, closed at $1,500,000 after 62 days on the market. The close came in under the 2-bedroom co-op median of $2,574,500. #12L in the building last closed at $1,999,999.

Building sales history →

21 E 22ND Street #12L
21 E 22ND Street #12L · $1,999,999 · 2 bed · Listing courtesy of PAIP

21 E 22ND Street #12L, a 2-bedroom co-op in a 1955 building, traded at $1,999,999 after 25 days on the market. That landed below the neighborhood 2-bedroom co-op median of $2,574,500. It follows #9F in the same building, which closed at $1,500,000.

Building sales history →

7 E 14TH Street #428
7 E 14TH Street #428 · $885,000 · 1 bed · Listing courtesy of Serhant

7 E 14TH Street #428, a 1-bedroom in a 1965 495-unit elevator building, sold for $885,000 after 30 days on the market. The close came in under the 1-bedroom co-op median of $1,110,000. #1423 in the building last closed at $535,000.

Building sales history →

Closed Around the Median

5 sales in this group.

222 PARK Avenue S #PH12C
222 PARK Avenue S #PH12C · $2,600,000 · 2 bed · Listing courtesy of Douglas Elliman Real Estate

222 PARK Avenue S #PH12C, a 2-bedroom co-op in a prewar 53-unit elevator building, closed at $2,600,000 after 77 days on the market. That tracked the neighborhood 2-bedroom co-op median of $2,574,500. It follows #7D in the same building, which closed at $2,212,500.

Building sales history →

69 5TH Avenue #9GH
69 5TH Avenue #9GH · $4,050,000 · 3 bed · Listing courtesy of Douglas Elliman Real Estate

69 5TH Avenue #9GH, a 3-bedroom in a 1961 153-unit building, traded at $4,050,000 after 34 days on the market. The price landed right around the 3-bedroom co-op median of $4,250,000. #12E in the building last closed at $1,385,000.

Building sales history →

42 E 20th Street #4AD
42 E 20th Street #4AD · $4,275,000 · 3 bed · Listing courtesy of Compass

42 E 20th Street #4AD, a 3-bedroom condo in a 2022 building, sold for $4,275,000 after 12 days on the market. That tracked the neighborhood 3-bedroom condo median of $4,250,000. It follows #7A in the same building, which closed at $2,800,000.

Building sales history →

36 W 15th Street #4
36 W 15th Street #4 · $2,600,000 · 2 bed · Listing courtesy of Compass

36 W 15th Street #4, a 2-bedroom in a prewar building, closed at $2,600,000 after 34 days on the market. The price landed right around the 2-bedroom co-op median of $2,574,500. #2-FLR in the building last closed at $2,250,000.

Building sales history →

260 Park Avenue S #2A
260 Park Avenue S #2A · $2,475,000 · 2 bed · Listing courtesy of Elliman

260 Park Avenue S #2A, a 2-bedroom condo in a 2021 building, traded at $2,475,000. That tracked the neighborhood 2-bedroom condo median of $2,574,500. It follows #5D in the same building, which closed at $2,875,000.

Building sales history →

Closed Above the Median

9 sales in this group.

45 E 22nd Street #36A
45 E 22nd Street #36A · $5,525,000 · 2 bed · Listing courtesy of Compass

45 E 22nd Street #36A, a 2-bedroom in a 2014 building, sold for $5,525,000 after 54 days on the market. The close ran past the 2-bedroom condo median of $2,574,500. #32B in the building last closed at $4,100,000.

Building sales history →

105 5TH Avenue #9C
105 5TH Avenue #9C · $2,005,000 · 1 bed · Listing courtesy of Hopkinson Associates LLC

105 5TH Avenue #9C, a 1-bedroom co-op in a prewar 41-unit elevator building, closed at $2,005,000 after 50 days on the market. That cleared above the neighborhood 1-bedroom co-op median of $1,110,000. It follows #4B in the same building, which closed at $2,250,000.

Building sales history →

170 Fifth Avenue #PH
170 Fifth Avenue #PH · $10,147,500 · 5 bed · Listing courtesy of Sothebys International Realty

170 Fifth Avenue #PH, a 5-bedroom in a prewar 11-unit building, traded at $10,147,500 without ever sitting on the open market. The close ran past the 5-bedroom condo median of $8,925,000.

Building sales history →

10 MADISON Square W #8G
10 MADISON Square W #8G · $5,350,000 · 3 bed · Listing courtesy of Corcoran Group

10 MADISON Square W #8G, a 3-bedroom condo in a prewar 122-unit building, sold for $5,350,000 after 122 days on the market. That cleared above the neighborhood 3-bedroom condo median of $4,250,000. It follows #2C in the same building, which closed at $3,050,000.

Building sales history →

280 Park Avenue S #8K
280 Park Avenue S #8K · $1,300,000 · 1 bed · Listing courtesy of Compass

280 Park Avenue S #8K, a 1-bedroom in a 1962 35-unit building, closed at $1,300,000 after 46 days on the market. The close ran past the 1-bedroom condo median of $1,110,000. #7M in the building last closed at $1,395,000.

Building sales history →

23 E 22nd Street #28B
23 E 22nd Street #28B · $4,600,000 · 2 bed · Listing courtesy of Howard Hanna NYC

23 E 22nd Street #28B, a 2-bedroom condo, traded at $4,600,000 after 107 days on the market. That cleared above the neighborhood 2-bedroom condo median of $2,574,500. It follows #TH2 in the same building, which closed at $10,500,000.

Building sales history →

23 E 22nd Street #TH2
23 E 22nd Street #TH2 · $10,500,000 · 4 bed · Listing courtesy of Compass

23 E 22nd Street #TH2, a 4-bedroom, sold for $10,500,000 after 48 days on the market. The close ran past the 4-bedroom condo median of $8,925,000. #28B in the building last closed at $4,600,000.

Building sales history →

45 E 22nd Street #32B
45 E 22nd Street #32B · $4,100,000 · 2 bed · Listing courtesy of Compass

45 E 22nd Street #32B, a 2-bedroom condo in a 2014 building, closed at $4,100,000 after 104 days on the market. That cleared above the neighborhood 2-bedroom condo median of $2,574,500. It follows #36A in the same building, which closed at $5,525,000.

Building sales history →

42 E 20TH Street #7A
42 E 20TH Street #7A · $2,800,000 · 2 bed · Listing courtesy of Serhant

42 E 20TH Street #7A, a 2-bedroom in a 2022 building, traded at $2,800,000 after 137 days on the market. The close ran past the 2-bedroom condo median of $2,574,500. #4AD in the building last closed at $4,275,000.

Building sales history →

Curious what your Flatiron home is worth?

Milton Coste, Licensed Real Estate Associate Broker at Keller Williams NYC, prepares a free, comparable-based valuation grounded in recent closings like these.

RLS at REBNY

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