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Property profile & analytics
OFF-MARKET
Estimated value
$1,620,000
Office buildings
116 Mason St Greenwich, CT 06830-2607
Entity Owned
1-yr Hold
Free & Clear
Property ID
US15-1008994
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1891
Construction
FRAME
Total area
3,279 SF
Lot
0.26 ac (11,326 SF)
Zoning code
CGB
APN
GREE M:01 B:2229/S
UPID
US15-1008994
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
-
Sewer Equipment Co of America Plumbing Service General Contractor
-
Gordon Neil A MD Physician Medical Clinic
-
JPlasma Skin Tightening by Renuvion New York - Connecticut Physician Medical Clinic
-
Allied PropertyGroup Property Management Company
-
The Fearless Angel Project Association / Organization
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.55M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.62M
Owner & transaction history
Mason Realty LLC · 1 yrs held
Mason Realty LLC
since 2025
Last sale
$2.2M
3 recorded transactions
Zoning & alternative use
CGB · Greenwich, CT
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$1.6M
+183.0%
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
$1,585,000
ML approach
$1,550,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$1,620,000
Change: +183% · Conversion: Easy
Blend value · Realmo final
$1.62M
Range $1.46M – $1.78M · ±10% · vs last sale $2.18M (Apr 22 2025)
Last sale anchor
$2.18M
Apr 22 2025
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
$494 / 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
$18,137
Tax year 2023
Assessed value
$1,558,690
Assessed 2023
Previous assessed
$1,558,690
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$1,098,090
Assessed improvement
$460,600
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
Off-Market
Year built
1891
Construction
FRAME
Heating
FORCED AIR
Buildings
1
Stories
3
Rooms
3
Total area
3,279 SF
Lot
0.26 ac (11,326 SF)
Zoning code
CGB
APN
GREE M:01 B:2229/S
UPID
US15-1008994
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
COMMERCIAL (GENERAL)
Est. value
$1.6M
COMMERCIAL (GENERAL)
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
1891
Construction
FRAME
Heating
FORCED AIR
Stories
3
Buildings
1
Rooms
3
Lot
0.26 ac
Current owner
From public records · entity-resolved
Mason Realty LLC
Entity
Free & Clear · 1 yrs held
Mailing address
116 MASON ST, GREENWICH, CT 06830-2607
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 22, 2025
$2,181,094
Mason Realty LLC
Faristone Properties LLC
Warranty Deed
—
Oct 8, 2021
—
Fairstone Properties LLC
—
Deed
related
$4,800,000 · First Bank Of Greenwich
Mar 31, 1997
$1,037,500
Natasha B Ford
Mason,audrey G
Warranty 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.
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