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Property profile & analytics
OFF-MARKET
Estimated value
$1,390,000
Office Spaces
343 Commercial St Ste 108, Boston, MA 02109-1258
Entity Owned
22-yr Hold
~
Est. High Equity
Property ID
US38-1082951
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Total area
4,020 SF
Lot
0.09 ac (4,020 SF)
Zoning code
CC
APN
CBOS W:03 P:03038 S:294
UPID
US38-1082951
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.39M
Owner & transaction history
Un Wharf LLC 108 · 22 yrs held
Un Wharf LLC 108
since 2004
6 recorded transactions
Zoning & alternative use
CC · Boston, MA
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 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
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
RETAIL STORES
$2,160,000
Change: -13% · Conversion: Moderate
Blend value · Realmo final
$1.39M
Range $1.25M – $1.53M · ±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
$346 / 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
$32,406
Tax year 2024
Assessed value
$1,282,400
Assessed 2024
Previous assessed
$1,282,400
+0.0% YoY
Effective rate
2.53%
On assessed value
Assessed improvement
$1,282,400
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 Spaces
Use group
CONDOMINIUM OFFICES
Status
Off-Market
Heating
NONE
Buildings
1
Total area
4,020 SF
Lot
0.09 ac (4,020 SF)
Zoning code
CC
APN
CBOS W:03 P:03038 S:294
UPID
US38-1082951
Jurisdiction
BOSTON
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
CC · Boston, MA
Zoning CC · permitted uses
CC · 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
Est. value
$2.2M
RETAIL STORES
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
Heating
NONE
Buildings
1
Lot
0.09 ac
Current owner
From public records · entity-resolved
Un Wharf LLC 108
Entity
Mailing address
343 COMMERCIAL ST STE #108, BOSTON, MA 02109-1258
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2004
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 12, 2004
$1,100,000
Un Wharf LLC 108
Hilltop RT
Grant Deed
$800,000 · Fleet National Bank
Nov 2, 1999
$325,000
Hilltop RT
Beethoven RT
Grant Deed
—
Oct 2, 1992
$300,000
Beethoven RT
Heiler,lee A JR
Grant Deed
$269,000 · Zeger Corp Pension Trust
Nov 16, 1990
—
Wharf Assoc 108 Union
—
Deed Of Trust
related
$10,000 · Zuckerman Family Nomi
May 9, 1990
—
Gerald J Defilippo
—
Deed Of Trust
related
$450,000 · South Boston Savings Bank
Mar 13, 1987
—
Wharf Assoc 108 Union
—
Deed Of Trust
related
$450,000 · Boston Trade 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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