Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$5,075,000
Hospitals
855 Park Ave New York, NY 10075
Individually Owned
11-yr Hold
~
Est. High Equity
Property ID
US63-2009331
Property profile
Verified
Property type
Hospitals
Use group
HOSPITAL - PRIVATE
Year built
1930
Total area
775,241 SF
Lot
1.87 ac (81,501 SF)
Zoning code
R8B
APN
01411-0001
UPID
US63-2009331
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$5.08M
Owner & transaction history
Lenox Hill Hospital · 11 yrs held
Lenox Hill Hospital
since 2015
4 recorded transactions
Zoning & alternative use
R8B · New York, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs New York submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs New York submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
MEDICAL BUILDING
$7,800,000
Current use
Blend value · Realmo final
$5.08M
Range $4.57M – $5.58M · ±10%
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$7 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Assessed value
$116,212,320
Assessed 2024
Previous assessed
$118,728,900
-2.1% YoY
Assessed land
$38,790,000
Assessed improvement
$77,422,320
Land market value
$86,200,000
Improvement market value
$183,073,000
Total market value
$269,273,000
Applied tax rate
4.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Hospitals
Use group
HOSPITAL - PRIVATE
Status
Off-Market
Year built
1930
Heating
NONE
Buildings
9
Stories
14
Units
1
Total area
775,241 SF
Lot
1.87 ac (81,501 SF)
Zoning code
R8B
APN
01411-0001
UPID
US63-2009331
Jurisdiction
NEW YORK(MANHATTAN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R8B · New York, NYZoning R8B · permitted uses
R8B · New York, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$7.8M
MEDICAL BUILDING Current
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1930
Heating
NONE
Stories
14
Buildings
9
Units
1
Lot
1.87 ac
Current owner
From public records · entity-resolved
Lenox Hill Hospital
Individual
Mailing address
100 E 77TH ST, NEW YORK, NY 10075-1850
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2015
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 30, 2015
—
Lenox Hill Hospital
—
Loan Modification
related
$896,760,000 · Bank Of Ny Mellon
May 14, 2012
—
Lenox Hill Hospital
—
Deed Of Trust
related
$896,760,000 · Bank Of Ny Mellon
—
—
Lenox Hill Hospital
—
Loan Modification
related
$896,760,000 · Bank Of Ny Mellon
—
—
Lenox Hill Hospital
—
Deed Of Trust
related
$72,155,000 · Bank Of Ny Mellon (ce)
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
You own 855 Park Ave?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
