New search
Property profile & analytics
OFF-MARKET
Estimated value
$179,810,000
Office buildings
640 5th Ave New York, NY 10019-6102
Entity Owned
7-yr Hold
~
Est. High Equity
Property ID
US63-1631208
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Year built
1940
Total area
277,684 SF
Lot
0.38 ac (16,673 SF)
Zoning code
C5-3
APN
01267-0034
UPID
US63-1631208
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
-
Portage Point Partners Business Management Consultant
-
Buchanan Ingersoll & Rooney PC Law Firm
-
KCR Research Financial Advisor
-
Exane Inc Financial Advisor
-
640 FIFTH AVENUE Business Service Center Corporate Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$179.81M
Owner & transaction history
640 Fifth Avenue Owner LLC · 7 yrs held
640 Fifth Avenue Owner LLC
since 2019
2 recorded transactions
Zoning & alternative use
C5-3 · New York, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Warehouse, storage
$226.9M
+27.9%
Commercial (general)
$190.9M
+7.6%
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
OFFICE BUILDING
$177,375,000
Current use
WAREHOUSE, STORAGE
$226,915,000
Change: +28% · Conversion: Difficult
COMMERCIAL (GENERAL)
$190,850,000
Change: +8% · Conversion: Easy
APARTMENT HOUSE (5+ UNITS)
$150,250,000
Change: -15% · Conversion: Easy
Blend value · Realmo final
$179.81M
Range $161.83M – $197.79M · ±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
$648 / 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
$16,844,067
Tax year 2024
Assessed value
$159,026,310
Assessed 2024
Previous assessed
$152,199,004
+4.5% YoY
Effective rate
10.59%
On assessed value
Assessed land
$20,913,750
Assessed improvement
$138,112,560
Land market value
$46,475,000
Improvement market value
$328,862,000
Total market value
$375,337,000
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
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Status
Off-Market
Year built
1940
Heating
NONE
Buildings
1
Stories
21
Units
27
Total area
277,684 SF
Lot
0.38 ac (16,673 SF)
Zoning code
C5-3
APN
01267-0034
UPID
US63-1631208
Jurisdiction
NEW YORK(MANHATTAN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
C5-3 · New York, NY
Zoning C5-3 · permitted uses
C5-3 · 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
OFFICE BUILDING Current
Est. value
$177.4M
WAREHOUSE, STORAGE
Est. value
$226.9M
COMMERCIAL (GENERAL)
Est. value
$190.9M
APARTMENT HOUSE (5+ UNITS)
Est. value
$150.3M
OFFICE BUILDING Current
WAREHOUSE, STORAGE
COMMERCIAL (GENERAL)
APARTMENT HOUSE (5+ UNITS)
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
1940
Heating
NONE
Stories
21
Buildings
1
Units
27
Lot
0.38 ac
Current owner
From public records · entity-resolved
640 Fifth Avenue Owner LLC
Entity
Mailing address
888 7TH AVE, NEW YORK, NY 10106-0001
Ownership since
2019
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
Apr 6, 2026
—
650 Fifth Avenue Real Estate Holdings Ll
—
Deed
related
$189,000,000
Jun 7, 2019
—
640 Fifth Avenue Owner LLC
640 Fifth Avenue LLC
Quit Claim Deed
$500,000,000 · Bank Of China Ny Br
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 640 5th 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.
