New search
Property profile & analytics
OFF-MARKET
Estimated value
$2,690,000
Schools
129 73rd St, New York, NY 10021-3502
Entity Owned
2-yr Hold
Free & Clear
Property ID
US63-6246056
Property profile
Verified
Property type
Schools
Use group
COLLEGE, UNIVERSITY, VOC SCHOOL
Year built
1910
Total area
8,814 SF
Lot
0.05 ac (2,248 SF)
Zoning code
C18X
APN
01408-0014
UPID
US63-6246056
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
$2.67M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$2.69M
Owner & transaction history
129 East 73rd Street Corp. · 2 yrs held
129 East 73rd Street Corp.
since 2023
Last sale
$2.7M
2 recorded transactions
Zoning & alternative use
C18X · New York, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Warehouse, storage
$3.0M
+2,489.0%
Industrial (general)
$2.5M
+2,063.2%
Retail stores
$1.6M
+1,318.4%
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
$2,565,000
ML approach
$2,670,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
WAREHOUSE, STORAGE
$2,985,000
Change: +2,489% · Conversion: Difficult
INDUSTRIAL (GENERAL)
$2,495,000
Change: +2,063% · Conversion: Difficult
RETAIL STORES
$1,635,000
Change: +1,318% · Conversion: Difficult
Blend value · Realmo final
$2.69M
Range $2.42M – $2.96M · ±10% · vs last sale $2.70M (Nov 9 2023)
Last sale anchor
$2.70M
Nov 9 2023
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
$305 / 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
Tax billed
$193,106
Tax year 2024
Assessed value
$1,823,130
Assessed 2024
Previous assessed
$1,828,260
-0.3% YoY
Effective rate
10.59%
On assessed value
Assessed land
$868,500
Assessed improvement
$954,630
Land market value
$1,930,000
Improvement market value
$2,294,000
Total market value
$4,224,000
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
Schools
Use group
COLLEGE, UNIVERSITY, VOC SCHOOL
Status
Off-Market
Year built
1910
Heating
NONE
Buildings
1
Stories
5
Units
2
Total area
8,814 SF
Lot
0.05 ac (2,248 SF)
Zoning code
C18X
APN
01408-0014
UPID
US63-6246056
Jurisdiction
NEW YORK(MANHATTAN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
C18X · New York, NY
Zoning C18X · permitted uses
C18X · 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
WAREHOUSE, STORAGE
Est. value
$3.0M
INDUSTRIAL (GENERAL)
Est. value
$2.5M
RETAIL STORES
Est. value
$1.6M
WAREHOUSE, STORAGE
INDUSTRIAL (GENERAL)
RETAIL STORES
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
1910
Heating
NONE
Stories
5
Buildings
1
Units
2
Lot
0.05 ac
Current owner
From public records · entity-resolved
129 East 73rd Street Corp.
Entity
Free & Clear · 2 yrs held
Mailing address
2 PARK AVE, NEW YORK, NY 10016-5675
Ownership since
2023
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 9, 2023
$2,700,000
129 East 73rd Street Corp.
Koc Holding A.s.
Deed
—
Oct 6, 2023
$26,500,000
129 East 73rd Street Corp.
Caryn Effron
Deed
—
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 129 73rd St?
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.
