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Property profile & analytics
OFF-MARKET
Estimated value
$2,280,000
Medical Office Space
525 71st St New York, NY 10021-4828
Individually Owned
30-yr Hold
~
Est. High Equity
Property ID
US63-2508777
Property profile
Verified
Property type
Medical Office Space
Use group
DENTAL BUILDING
Year built
1988
Total area
164,806 SF
Lot
0.59 ac (25,542 SF)
Zoning code
R9
APN
01483-0033
UPID
US63-2508777
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
Current use
Occupant on record · Public records
-
HSS Parking Hospital
-
Russell F. Warren, MD Physician
-
Scott A. Rodeo, MD Physician
-
Carlos N. Hernandez Torres MD, FAAFP Physician
-
Daniel A. Osei, MD Physician
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$2.28M
Blend (final)
Blend
$2.28M
Owner & transaction history
J Yu · 30 yrs held
J Yu
since 1996
7 recorded transactions
Zoning & alternative use
R9 · 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
$1,660,000
Current use
Blend value · Realmo final
$2.28M
Range $2.05M – $2.51M · ±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
$14 / 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
$26,419,410
Assessed 2024
Previous assessed
$26,991,450
-2.1% YoY
Assessed land
$6,660,000
Assessed improvement
$19,759,410
Land market value
$14,800,000
Improvement market value
$46,416,000
Total market value
$61,216,000
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
Medical Office Space
Use group
DENTAL BUILDING
Status
Off-Market
Year built
1988
Heating
NONE
Buildings
1
Stories
12
Units
103
Total area
164,806 SF
Lot
0.59 ac (25,542 SF)
Zoning code
R9
APN
01483-0033
UPID
US63-2508777
Jurisdiction
NEW YORK(MANHATTAN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R9 · New York, NY
Zoning R9 · permitted uses
R9 · New York, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
New York. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$1.7M
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
1988
Heating
NONE
Stories
12
Buildings
1
Units
103
Lot
0.59 ac
Current owner
From public records · entity-resolved
J Yu
Individual
Mailing address
535 E 70TH ST, NEW YORK, NY 10021-4823
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
1996
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 31, 2018
—
Akbar Naderi
—
Grant Deed
related
$1,288,000 · Bank Of America
Dec 7, 2009
—
New York Society Of The Relief/ru
—
Deed Of Trust
related
$79,308,000 · Dormitory Authority New York
Mar 4, 1996
$800,000
J Yu
Yu,f & L
Grant Deed
related
—
Feb 13, 1996
$387,500
F Hernandez
Dime Savings Ban
Grant Deed
$287,500
—
—
Society For The Relief Ny
—
Deed Of Trust
related
—
—
—
Ny Society For The Relief Of T
—
Loan Modification
related
—
—
—
Hss Properties Corp
—
Loan Modification
related
$26,000,000 · J P Morgan Chase Bank
—
—
Joan Goldstone
—
Deed Of Trust
related
$100,000 · Wells Fargo Bank
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.
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