Milton Coste

130 Flatiron Pet-Friendly Apartments

NYC apartments that welcome your furry family members in Flatiron, Manhattan

All NYC Flatiron
130 results
16 W 16th Street #5HN For Sale
Florence Ng at Compass
$550,000

Studio · 1 ba · Co-op

16 W 16th Street #5HN, New York City

MLS: RLS20097979 RLS at REBNY
240 PARK Avenue #3D For Sale
MELINDA SICARI at Douglas Elliman Real Estate
$1,895,000

2 bd · 3 ba · 1,200 sqft · Condo

240 PARK Avenue #3D, New York City

MLS: RLS20057468 RLS at REBNY
50 LEXINGTON Avenue #16D For Sale
Jonathan Jossen at Corcoran Group
$1,350,000

2 bd · 2 ba · Co-op

50 LEXINGTON Avenue #16D, New York City

MLS: RLS20090437 RLS at REBNY
15 UNION Square #30 For Sale
Deborah A Kern at Corcoran Group
$6,995,000

3 bd · 4 ba · 2,795 sqft · Condo

15 UNION Square #30, New York City

MLS: RLS20077143 RLS at REBNY
17 W 17TH Street #6 For Sale
Joshua B Rubin at Douglas Elliman Real Estate
$4,995,000

4 bd · 5 ba · 4,700 sqft · Co-op

17 W 17TH Street #6, New York City

MLS: RLS20088979 RLS at REBNY
4 W 21ST Street #7B For Sale
Joshua B Rubin at Douglas Elliman Real Estate
$1,495,000

2 bd · 3 ba · 1,475 sqft · Condop

4 W 21ST Street #7B, New York City

MLS: RLS20091794 RLS at REBNY
35 E 20th Street #6B For Sale
Rachel Skumanich at Compass
$1,995,000

3 bd · 3 ba · 1,740 sqft · Co-op

35 E 20th Street #6B, New York City

MLS: RLS20077188 RLS at REBNY
20 E 17TH Street #7 For Sale
Juliana Frei at Brown Harris Stevens Residential Sales LLC
$3,499,000

3 bd · 2 ba · 2,125 sqft · Condo

20 E 17TH Street #7, New York City

MLS: RLS20076214 RLS at REBNY
15 Union Square #3-D For Sale
Asher Alcobi at Peter Ashe
$4,250,000

2 bd · 3 ba · 2,282 sqft · Condo

15 Union Square #3-D, New York City

MLS: RLS20089076 RLS at REBNY
49 E 21ST Street #11D For Sale
Corey L Benbasset at Serhant
$2,195,000

2 bd · 2 ba · 1,282 sqft · Condo

49 E 21ST Street #11D, New York City

MLS: RLS20013765 RLS at REBNY
4 W 21st Street #12C For Sale
Justin D Rubinstein at Compass
$1,175,000

1 bd · 2 ba · 1,073 sqft · Condop

4 W 21st Street #12C, New York City

MLS: RLS20070403 RLS at REBNY
23 E 22ND Street #8 For Sale
Patrick Rukaj at Corcoran Group
$7,995,000

3 bd · 4 ba · 2,723 sqft · Condo

23 E 22ND Street #8, New York City

MLS: RLS20084544 RLS at REBNY

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This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved.

Listings are updated approximately every 15 minutes. Data displayed by Keller Williams NYC.

RLS at REBNY

Finding Pet-Friendly Apartments for Sale in NYC

Buying a pet-friendly apartment in NYC requires more due diligence than almost any other amenity search, because "pet-friendly" is rarely simple. Co-op and condo buildings each set their own pet policies with weight limits, breed restrictions, and board interview requirements. In my 25+ years working with buyers in Upper West Side, Park Slope, and across Queens, I've seen closings fall apart because a buyer assumed a building was pet-friendly without reading the house rules.

FAQ: How do I confirm a NYC co-op or condo is truly pet-friendly?

Request the house rules and proprietary lease (for co-ops) or declaration and bylaws (for condos) from the managing agent before signing a contract. Look specifically for the pet clause, weight or breed restrictions, and board approval requirements. Do not rely on the listing description alone.

FAQ: Can a building change its pet policy after I purchase?

Yes, though existing pet owners are typically grandfathered in. In NYC co-op buildings, board rules can change with a majority shareholder vote. Review the grandfathering language in the governing documents. This is a scenario I flag during the contract review stage.

FAQ: Which NYC neighborhoods have the most pet-friendly buildings?

Newer condo buildings citywide tend to have more permissive pet policies. Astoria, Long Island City, and Williamsburg have a high concentration of pet-friendly condos. Many post-war co-ops along the Upper West Side permit pets with board approval. Visit our property search to filter active listings.

Buying Tip from Milton Coste

Look for practical infrastructure beyond the written policy: Is there a service elevator for dog walks? Is there a designated pet relief area? Buildings near Riverside Park, Prospect Park, or Astoria Park offer direct access to off-leash hours that make a significant difference in daily routine for dog owners.

Milton Coste, Licensed Real Estate Associate Broker

Milton Coste

Licensed Real Estate Associate Broker

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Milton Coste, Licensed Real Estate Associate Broker, KWNYC