400 Park Avenue South · Flatiron NoMad · Condo · Built 1925 · 95 units · 21 stories · Jardine, Hill & Murdock
CondoBuilt 1925Pets allowedFull-time
79
MF Score
400 Park Avenue South Condominium: A well-maintained 1925 prewar condo with spotless public records and prime Park Avenue South positioning — though you'll pay market rates for the location.
400 Park Avenue South Condominium is one of those buildings that does exactly what it promises: solid prewar bones, full-service amenities, and a location that puts you in the heart of NoMad without the premium of being directly on Madison Square Park. The public records here are genuinely clean — zero HPD violations, zero DOB violations, zero active permits as of April 2026. For a 95-unit building from 1925, that suggests management that stays ahead of problems rather than reacting to them.
The real appeal is the 6 train access: you're literally one block from the 28th Street station, which means Grand Central in 5 minutes and Union Square in 3. In a neighborhood where some buildings require a 6-8 block schlep to the subway, that convenience shows up in your daily routine and your resale value.
The trade-off is that you're on Park Avenue South, not a quiet side street — this is a major north-south artery with consistent traffic noise. Upper floors and east-facing units are noticeably quieter, but street-level and low floors will remind you you're in Manhattan every day. At roughly $1,650 per square foot, you're paying full market rates for NoMad, but given the location and building condition, that feels appropriate rather than inflated.
Pros and cons
Pros
+ 6 train at 28th Street literally one block away
+ Zero HPD and DOB violations — pristine public records
Approx. low end — varies by unit. Use the calculator below to add your mortgage.
~$2,100/mo
Common charges and tax figures shown are sourced from current active listings and vary by unit size and floor. Verify all figures with building management, the offering plan, and your attorney before closing. MeetFlatiron makes no representations as to the accuracy of financial figures shown.
Payment calculator
Purchase price$1,200,000
Down payment20%
Interest rate6.75%
Principal and interest—
Common charges (enter your unit's figure)$/mo
Property taxes (enter your unit's figure)$/mo
Total monthly—
For illustrative purposes only. Common charges and taxes vary by unit — verify exact figures with building management. Actual mortgage rates vary by lender. Consult your lender for accurate rates and terms.
Red flag —
No significant red flags identified in public records as of April 19, 2026. Zero HPD violations across all classes, zero DOB violations, and no active permits or litigation on file. This is genuinely unusual for a 95-unit building from 1925 and suggests well-managed building operations.
What agents won't tell you
Board dynamics
As a condominium, 400 Park Avenue South operates with a standard condo board that has right of first refusal but no discretionary approval process — no financial packages, interviews, or rejection risk. The building allows subletting (with a 2-year minimum lease requirement), pied-à-terre purchases, and co-purchasing, making it accessible to a broad range of buyers including investors and foreign nationals. The clean public records suggest competent management and a board that addresses issues proactively rather than waiting for violations to accumulate.
What it's actually like to live here
The daily reality here is shaped by two factors: exceptional subway access and consistent street noise. The 6 train at 28th Street is genuinely a 2-minute walk — not the inflated "close to subway" claims you see elsewhere. That convenience is real and shows up whether you're commuting to Midtown, the Upper East Side, or downtown.
However, Park Avenue South carries steady traffic from early morning through late evening. Units on floors 12 and above, particularly those facing east toward Lexington, are noticeably quieter and brighter. The building's prewar construction helps with sound dampening, but lower floors will hear delivery trucks, taxis, and the general hum of a major Manhattan thoroughfare.
Services and amenities
Full-time
Elevator
Gym
Roof deck
Outdoor space
Storage space
Laundry in building
Live-in super
Hardwood floors
Central air
Washer/dryer in unit
Dishwasher
Pets allowed
No Pool
No Parking
Pet policy: Dogs and cats allowed with board approval. Weight and size restrictions apply.
Amenity information sourced from building listings and public records. Amenities are subject to change — verify current offerings with building management before closing.
Transit
28th St (Park Ave South)
6
~1 block
28th St (Broadway)
NRW
~4 blocks
33rd St (Park Ave South)
6
~5 blocks
23rd St (Broadway)
NRW
~6 blocks
23rd St (Park Ave South)
6
~6 blocks
Walk Score 98Transit Score 100Bike Score 88Source: Walk Score
Commute times from this building
Destination
🚶 Walk
🚇 Subway
Lines
The Flatiron Building (175 Fifth Ave)
10 min
N/A
Walk only
Midtown (47th & Park Ave)
24 min
6 min
6 Train
Hudson Yards (30th & 10th Ave)
26 min
N/A
Walk only
World Trade Center (Fulton St)
60 min
18 min
6 Train/R Line
Times Square (42nd & Broadway)
24 min
9 min
6 Train/S
Grand Central (42nd & Park Ave)
16 min
5 min
6 Train
Door-to-door estimates via Google Maps transit directions. Times reflect typical weekday conditions.Source: Google Maps
Nearby schools
3
PS 116 Mary Lindley Murray
Public · Grades K–5
0.3mi
8
IS 104 Simon Baruch
Public · Grades 6–8
0.4mi
9
NYC Lab School
Public · Grades 6–12
0.7mi
Nearby colleges: Baruch College (0.3mi), FIT (0.4mi), Parsons/The New School (0.6mi), SVA (0.8mi), NYU (1.0mi)
School ratings sourced from GreatSchools and are subject to change. School zone boundaries are not guaranteed — verify current zoning directly with NYC DOE at myschools.nyc before purchasing.
Noise Level
Loud
Overall noise level
72/100 noise score
Primary source: Park Avenue South traffic and city activity — HowLoud rates traffic as Busy with local sources Busy, airports Calm
This stretch of Park Avenue South falls under the 13th Precinct and is well-patrolled — consistent foot traffic from nearby offices and restaurants keeps the block active through evening hours. The building's full-time doorman adds another layer of security.
🚗
Parking
Monthly parking runs $400–$500 at Icon Parking on 29th Street (one block north) and Edison ParkFast on 28th Street. Street parking on Park Avenue South has alternate side Tuesday/Friday — competitive but manageable if you're up early.
📦
Storage
The building has storage units available but they're limited. Ask management about current availability and waitlist. Manhattan Mini Storage on Seventh Avenue and CubeSmart on 28th Street are reliable off-site options within walking distance.
🛒
Grocery and daily errands
Fine Fare on 30th Street is your closest option for basics — about a 3-minute walk. For serious grocery shopping, Whole Foods and Trader Joe's at Union Square are both about 8-10 minutes on foot. Fresh Direct delivery is reliable to this address.
🔊
Noise and street life
Park Avenue South is a major north-south corridor with consistent traffic throughout the day. Upper floors (12+) and east-facing units toward Lexington are notably quieter. The building's solid prewar construction helps, but street-level and low-floor units will hear the city.
🚇
Getting around
The 6 train at 28th Street is literally around the corner — maybe a 2-minute walk. This is your direct shot to Grand Central (5 minutes), Union Square (3 minutes), and the Upper East Side. The N/R/W at 28th and Broadway is a 5-minute walk west for Times Square access.
400 Park Avenue South has seen the same price volatility as most NoMad buildings over the past few years — average sale prices peaked around $2.89M in 2022 and have settled back to roughly $2.18M in 2025, reflecting the broader market cooling. At $1,650 per square foot, it's priced competitively with similar vintage buildings in the area.
Liquidity is solid with an average 95 days on market — faster than some of the premium buildings but not as quick as the most liquid addresses. The 6 train proximity and clean public records should support long-term value, though don't expect the dramatic appreciation some NoMad buildings saw in the 2010s.
Past appreciation is not a guarantee of future performance. Real estate values fluctuate. All investment decisions should be made with independent financial and legal advice.
Sale price history
2025
$2.18M avg
6 sales
2024
$2.42M avg
8 sales
2023
$2.65M avg
4 sales
2022
$2.89M avg
7 sales
2021
$2.75M avg
5 sales
Source: NYC ACRIS · Past sales are not indicative of future value.
Building history timeline
1925
Original Construction
400 Park Avenue South was built as a luxury apartment building by the Park Avenue South Company, designed by the architectural firm Jardine, Hill & Murdock. The 21-story structure was part of the early 20th century development boom along Park Avenue South.
1925-1980s
Rental Building Era
The building operated as a rental apartment building for approximately 60 years, serving as home to middle and upper-middle class Manhattan residents during the neighborhood's evolution from residential to mixed commercial-residential.
1980s
Condominium Conversion
The building was converted from rental apartments to condominium ownership during the 1980s condo conversion wave that transformed much of Manhattan's rental stock. The conversion created 95 individually owned units.
1990s-2000s
NoMad Neighborhood Development
As the area around Madison Square Park was rebranded as "NoMad" and saw significant commercial and retail development, 400 Park Avenue South benefited from increased neighborhood desirability and property values.
2010s
Market Appreciation
The building experienced significant appreciation during the NoMad real estate boom, with average sale prices climbing from the low millions to peaks above $2.8M by the early 2020s.
2020-2025
Market Adjustment
Like much of NoMad, the building saw price volatility during and after the pandemic, with average sales settling in the $2.1-2.4M range by 2025, reflecting broader Manhattan market normalization.
2026
Current Status
400 Park Avenue South maintains clean public records with zero violations and operates as a well-managed condominium with full-service amenities and strong transportation access.
Frequently asked questions
What subway lines serve 400 Park Avenue South?
The 6 train at 28th Street is one block away — about a 2-minute walk. This provides direct access to Grand Central (5 minutes), Union Square (3 minutes), and the Upper East Side. The N, R, and W trains at 28th Street and Broadway are about 5 blocks west if you need Times Square access.
Is 400 Park Avenue South a condo or co-op?
400 Park Avenue South is a condominium, which means no board approval process, no financial package submissions, and no interview requirements. The building allows subletting, pied-à-terre purchases, co-purchasing, and purchases by foreign nationals or LLCs.
What are the building violation records for 400 Park Avenue South?
As of April 19, 2026, the building has zero HPD violations across all classes and zero DOB violations on file. This is genuinely exceptional for a 95-unit building from 1925 and suggests proactive building management.
Does 400 Park Avenue South allow pets?
Yes, dogs and cats are allowed with board approval. There are weight and size restrictions that apply — specific limits should be confirmed with building management as policies can vary by unit size and other factors.
How noisy is 400 Park Avenue South?
Park Avenue South is a major north-south traffic corridor, so street noise is a factor, especially for lower floors. Units on the 12th floor and above, particularly those facing east toward Lexington Avenue, are notably quieter. The building's prewar construction helps with sound dampening compared to newer glass towers.
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