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Property profile & analytics
FOR LEASE
Office buildings
55 Railroad Ave Greenwich, CT 06830
Entity Owned
19-yr Hold
~
Est. High Equity
Property ID
US15-1224916
For Lease
1 / 3
$19,275,000
55 Railroad Ave, Greenwich, CT 06830
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1974
Construction
STEEL FRAME
Total area
175,339 SF
Lot
2.12 ac (92,347 SF)
Zoning code
CGB
APN
GREE M:01 B:2110/S
UPID
US15-1224916
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
-
Bank of America Private Client Advisor Colin Koester Financial Advisor
-
Aon Risk Services Inc Insurance Agency
-
Bank of America Private Client Advisor Raymond M Piacentini Financial Advisor
-
Sageview Capital Financial Advisor
-
Private Bank, Bank of America Bank
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$17.68M
Blend (final)
Blend
$19.28M
Owner & transaction history
Railroad Properties Ll · 19 yrs held
Railroad Properties Ll
since 2007
7 recorded transactions
Zoning & alternative use
CGB · Greenwich, CT
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 Greenwich submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Greenwich 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
$30,595,000
Current use
APARTMENT HOUSE (5+ UNITS)
$27,780,000
Change: -9% · Conversion: Easy
Blend value · Realmo final
$19.28M
Range $17.35M – $21.20M · ±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
$110 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$1,192,414
Tax year 2023
Assessed value
$102,476,290
Assessed 2023
Previous assessed
$102,476,290
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$21,229,110
Assessed improvement
$81,247,180
Applied tax rate
124.0000
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
Status
For Lease
Year built
1974
Construction
STEEL FRAME
Heating
NONE
Buildings
1
Stories
3
Rooms
19
Total area
175,339 SF
Lot
2.12 ac (92,347 SF)
Zoning code
CGB
APN
GREE M:01 B:2110/S
UPID
US15-1224916
Jurisdiction
GREENWICH
Zoning & alternative use
CGB · Greenwich, CT
Zoning CGB · permitted uses
CGB · Greenwich, CT
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Greenwich. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$30.6M
APARTMENT HOUSE (5+ UNITS)
Est. value
$27.8M
OFFICE BUILDING Current
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
1974
Construction
STEEL FRAME
Heating
NONE
Stories
3
Buildings
1
Rooms
19
Lot
2.12 ac
Current owner
From public records · entity-resolved
Railroad Properties Ll
Entity
Mailing address
509 MADISON AVE RM #200, NEW YORK, NY 10022-5585
Ownership since
2007
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
Apr 29, 2025
—
Railroad Properties LLC
—
Deed
related
$56,950,000 · Deutsche Bank National Trust Co
Jul 27, 2018
—
Railroad Properties Ll
—
Deed
related
$20,000,000 · Deutsche Bank
May 12, 2016
—
Railroad Properties Ll
—
Deed
related
$134,000,000 · Db Private Wealth Mtg
Jun 5, 2007
$142,000,000
Railroad Properties Ll
Willrich Holdings LLC
Warranty Deed
$9,999,999 · Greenwich Capital Fin
Nov 28, 2004
$97,750,000
Willrich Holdings LLC
National O P LP
Warranty Deed
related
$73,900,000 · J P Morgan Chase Bank
Oct 21, 1998
$12,250,000
National Office Ptnrs
Soundview Ptnrs LP
Warranty Deed
—
Sep 14, 1998
$42,500,000
National Office Ptnrs
Pontiac Assoc LP
Warranty Deed
—
Jul 9, 1987
—
Pontiac Assoc
—
Deed Of Trust
related
$19,500,000 · Zuckerman Family Nomi
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
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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