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Property profile & analytics
OFF-MARKET
Estimated value
$1,980,000
Retail space
51 Margin St Boston, MA 02113-1619
Entity Owned
1-yr Hold
~
Est. High Equity
Property ID
US38-0845182
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1940
Construction
BRICK
Total area
5,120 SF
Lot
0.06 ac (2,717 SF)
Zoning code
C
APN
CBOS W:03 P:01308 S:000
UPID
US38-0845182
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
-
The Dogfather (Bike/Boat/Book/etc) Store Pet Store & Service
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.98M
CAP Approach
CAP
$1.27M
Comparable Approach
Comparable
$2.51M
Blend (final)
Blend
$1.98M
Owner & transaction history
Bogart & Zoie Hldg LLC · 1 yrs held
Bogart & Zoie Hldg LLC
since 2025
Last sale
$2.0M
2 recorded transactions
Zoning & alternative use
C · Boston, MA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$3.3M
+18.3%
Office building
$3.1M
+14.4%
Auto repair, garage
$3.0M
+9.5%
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 Boston submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Boston 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
$1,945,000
ML approach
$1,975,000
CAP Approach
CAP Return
Estimation
6%
$1,375,000
6.5%
$1,270,000
7%
$1,180,000
Alternative Use
Use
Estimation
RETAIL STORES
$2,750,000
Current use
COMMERCIAL (GENERAL)
$3,255,000
Change: +18% · Conversion: Easy
OFFICE BUILDING
$3,145,000
Change: +14% · Conversion: Easy
AUTO REPAIR, GARAGE
$3,015,000
Change: +9% · Conversion: Difficult
Blend value · Realmo final
$1.98M
Range $1.78M – $2.18M · ±10% · vs last sale $2.00M (Jan 3 2025)
Last sale anchor
$2.00M
Jan 3 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
$387 / 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
$28,297
Tax year 2024
Assessed value
$1,119,800
Assessed 2024
Previous assessed
$1,135,800
-1.4% YoY
Effective rate
2.53%
On assessed value
Assessed land
$594,500
Assessed improvement
$525,300
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
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
Off-Market
Year built
1940
Construction
BRICK
Heating
NONE
Buildings
1
Stories
2
Units
2
Total area
5,120 SF
Lot
0.06 ac (2,717 SF)
Zoning code
C
APN
CBOS W:03 P:01308 S:000
UPID
US38-0845182
Jurisdiction
BOSTON
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
C · Boston, MA
Zoning C · permitted uses
C · Boston, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Boston. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
RETAIL STORES Current
Est. value
$2.8M
COMMERCIAL (GENERAL)
Est. value
$3.3M
OFFICE BUILDING
Est. value
$3.1M
AUTO REPAIR, GARAGE
Est. value
$3.0M
RETAIL STORES Current
COMMERCIAL (GENERAL)
OFFICE BUILDING
AUTO REPAIR, GARAGE
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
Construction
BRICK
Heating
NONE
Stories
2
Buildings
1
Units
2
Lot
0.06 ac
Current owner
From public records · entity-resolved
Bogart & Zoie Hldg LLC
Entity
Mailing address
239 LK SHR DR, WAYLAND, MA 01778-4328
Mailing matches property
Yes
Owner-occupied
Yes
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
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 3, 2025
$2,000,000
Bogart & Zoie Hldg LLC
51 N Margin St RT
Deed
$5,635,000 · First Boston Construction Holdings
Jul 2, 2019
—
North,margin Street RT Trust
Cincotti Suffolk & Carl M
Quit Claim Deed
related
—
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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