All 19 photos
Back to the listing4-bedroom apartment for sale in Midtown South-Flatiron-Union Square
131 5th Ave Apt 801, Midtown South-Flatiron-Union Square, Manhattan, New York, NY, 10003
- Size
- 3,500 ft² (325 m²)
- Available
- Now
- Year built
- 1905: Building details
About this home
Apartment for sale in Midtown South-Flatiron-Union Square, Manhattan: 4 bedrooms, 3 bathrooms, 3,500 ft². Asking price $4,500,000. Built in 1905.
From the original listing · Realtor.comShowHide
Triple penthouse with private outdoor space! This unique four bedroom, three bathroom coop loft is available on the private market and ready for a lucky new owner. A keyed elevator leads you to your semi-private landing, and onto the ground level of the apartment. On this floor are 11-foot ceilings, an enormous open loft space with powder room, southern-facing windows, an open, SieMatic vented chef's kitchen, an office, a den, and a separate dining area flanked in gorgeous built-ins. It truly screams Flatiron loft! The second floor has two bedrooms and a full bathroom, as well as a full-sized laundry room and dog washing station. The top level of this triplex is the primary suite, as well as private terrace. The bedroom is large, with en-suite bathroom inclusive of a double vanity, soaking tub, and stall shower. There is a large, built-out customized closet and access to an approximately 300 square foot irrigated private terrace. There are three zones of air conditioning, two separate entrances, and a security system. The cooperative comprises 21 residences over 8 stories and lies on the corner of 20th and Fifth. It has a full-time super, video intercom, keyed elevator, and separate laundry and bike storage. The building enjoys free and clear ownership (no mortgage) and a retail cooperative covers about 1/3 of the building's expenses. *Some photos are virtually staged*
Description from Realtor.com, shown as published there. See the original listing
Roofy listing score
Grade B, 71/100 · 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: 19 photos15/15
- Full points: Large, clear photos (about 1,000 px)10/10
Details17/20
- 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
- Full points: Pet policy stated1/1
- Full points: Laundry mentioned1/1
- No points: Heat and utilities not mentioned0/1
- No points: No amenities listed0/2
- Full points: Description of 237 words3/3
True cost7/15
- No points: No running costs stated (HOA, service charge or taxes)0/8
- Full points: Price in line with similar homes in its neighborhood7/7
Accuracy12/15
- Nothing to compare: Listed on one site, nothing to compare3/6
- Full points: Agrees with city records (built 1905, 37 homes)5/5
- Full points: Confirmed on its source site 3 days ago4/4
Legal10/10
- Full points: No fair-housing problems found in the wording6/6
- Full points: The agent’s license is active4/4
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.
Price history
| Date | Event | Price |
|---|---|---|
| Oct 29, 2026First seen on Roofy (via Realtor.com) | First seen on Roofy (via Realtor.com) | $4,500,000 |
| Oct 22, 2026Price changed · Realtor.com | Price changed · Realtor.com | $4,500,000 |
From the listing sites’ own records and what Roofy has seen since. Newest first.
Compared with the area
Asks $4,500,000, 25% below the median asking price for homes for sale with 4+ bedrooms in Midtown South-Flatiron-Union Square.
- Median here
- $6,000,000
- 13 listings, last 90 days
- Per ft²
- $1,285.71 vs $1,657.40
- This home vs the median, 22% lower
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 Midtown South-Flatiron-Union SquareLocation
- NeighborhoodMidtown South-Flatiron-Union SquareHousing records and complaints
- BoroughManhattanHousing records
- ZIP codeZIP 10003Buildings and sales
- ListingsHomes for sale in 10003161 homes for sale
- ListingsMidtown South, Flatiron and Union SquareHomes for sale
- ListingsManhattanHomes for sale
- CityNew YorkHomes for sale
Nearby transit
- 23 StN R W4 min walk
- 23 St-Baruch College66 min walk
- 23 StF M6 min walk
Nearby public schools · District 2
- Ballet Tech, NYC Public School for Dancek-8, grades 4-8130 m
- Manhattan Village Academyhigh, grades 9-12230 m
- The Clinton Schoolsecondary, grades 6-12360 m
Distance only, not school zones. Check the zoned school with NYC Public Schools.
The building
37 units · 8 floors · built 1905
Building record for 129 5 Avenue
NYC records as of Nov 1 (weekly)129 5 Avenue · BBL 1-00848-0074 · built 1905 · 37 units
- Building type
- Elevator apartment building
- Open HPD violations
- None
- Heat complaints
- 0 this season
- Complaints, last 12 months
- 2
- Rent stabilization
- May have stabilized units
- Last sale (12-month file)
- $3,350,000 on Jun 22, 2026
The city’s records match this listing to the tax lot at 129 5 Avenue. Corner and multi-address buildings often have one main address.
No open immediately hazardous (Class C) violations.
See the full building recordPublic 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.








































