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Property profile & analytics
OFF-MARKET
Estimated value
$3,650,000
Office buildings
35 Riv Rd Cos Cob, CT 06807-2759
Entity Owned
20-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US15-0485432
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
2006
Construction
FRAME
Total area
14,674 SF
Lot
1.2 ac (52,272 SF)
Zoning code
WB
APN
GREE M:08 B:1426/S
UPID
US15-0485432
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
-
Riverside Pediatrics, LLC Hospital Children's Hospital
-
Northeast Medical Group Internal Medicine - Cos Cob Medical Clinic
-
Greenwich Hospital Office of Development Charitable Organization
-
Chaula Vora MD -Northeast Medical Group Cos Cob,CT Physician
-
NEMG Internal Medicine Cos Cob Physician
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$3.78M
Blend (final)
Blend
$3.65M
Owner & transaction history
Rfk Gree Enterprises INC · 20 yrs held
Rfk Gree Enterprises INC
since 2005
2 recorded transactions
Zoning & alternative use
WB · Cos Cob, CT
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Restaurant
$3.8M
+47.2%
Auto repair, garage
$3.4M
+33.9%
Commercial (general)
$3.4M
+33.5%
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 Cos Cob submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Cos Cob 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
$2,560,000
Current use
RESTAURANT
$3,770,000
Change: +47% · Conversion: Moderate
AUTO REPAIR, GARAGE
$3,430,000
Change: +34% · Conversion: Difficult
COMMERCIAL (GENERAL)
$3,420,000
Change: +34% · Conversion: Easy
RETAIL STORES
$2,725,000
Change: +7% · Conversion: Moderate
APARTMENT HOUSE (5+ UNITS)
$2,325,000
Change: -9% · Conversion: Easy
Blend value · Realmo final
$3.65M
Range $3.29M – $4.02M · ±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
$249 / 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
$73,103
Tax year 2023
Assessed value
$6,282,500
Assessed 2023
Previous assessed
$6,282,500
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$2,744,140
Assessed improvement
$3,538,360
Applied tax rate
124.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
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
Off-Market
Year built
2006
Construction
FRAME
Heating
FORCED AIR
Buildings
1
Stories
2
Total area
14,674 SF
Lot
1.2 ac (52,272 SF)
Zoning code
WB
APN
GREE M:08 B:1426/S
UPID
US15-0485432
Jurisdiction
GREENWICH
Zoning & alternative use
WB · Cos Cob, CT
Zoning WB · permitted uses
WB · Cos Cob, CT
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Cos Cob. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$2.6M
RESTAURANT
Est. value
$3.8M
AUTO REPAIR, GARAGE
Est. value
$3.4M
COMMERCIAL (GENERAL)
Est. value
$3.4M
RETAIL STORES
Est. value
$2.7M
APARTMENT HOUSE (5+ UNITS)
Est. value
$2.3M
OFFICE BUILDING Current
RESTAURANT
AUTO REPAIR, GARAGE
COMMERCIAL (GENERAL)
RETAIL STORES
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
2006
Construction
FRAME
Heating
FORCED AIR
Stories
2
Buildings
1
Lot
1.2 ac
Current owner
From public records · entity-resolved
Rfk Gree Enterprises INC
Entity
Mailing address
49 RIV RD, COS COB, CT 06807-2725
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2005
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
Sep 16, 2005
—
Rfk Gree Enterprises INC
—
Deed Of Trust
related
$15,000,000 · Hudson United Bank
Sep 12, 2001
—
Crk LLC
—
Deed Of Trust
related
$1,100,000 · Hudson United 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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