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Property profile & analytics
OFF-MARKET
Office Spaces
21 Mayor Thomas J Mcgrath Hwy Ste 504, Quincy, MA 02169-5351
Individually Owned
2-yr Hold
Free & Clear
Property ID
US38-0884352
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1985
Construction
STEEL FRAME
Total area
1,800 SF
Zoning code
BUSC
APN
QUIN M:1138 B:11 L:504
UPID
US38-0884352
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
by Request
Owner & transaction history
Stella Lee · 2 yrs held
Stella Lee
since 2024
Last sale
$435,000
6 recorded transactions
Zoning & alternative use
BUSC · Quincy, 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 Quincy submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Quincy 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
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
$8,342
Tax year 2024
Assessed value
$371,600
Assessed 2024
Previous assessed
$371,600
+0.0% YoY
Effective rate
2.24%
On assessed value
Assessed improvement
$371,600
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
Year built
1985
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
1
Total area
1,800 SF
Zoning code
BUSC
APN
QUIN M:1138 B:11 L:504
UPID
US38-0884352
Jurisdiction
QUINCY
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
BUSC · Quincy, MA
Zoning BUSC · permitted uses
BUSC · Quincy, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Quincy. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1985
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
1
Buildings
1
Current owner
From public records · entity-resolved
Stella Lee
Individual
Free & Clear · 2 yrs held
Mailing address
21 MAYOR THOMAS J MCGRATH HWY STE #504, QUINCY, MA 02169-5351
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2024
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
Feb 16, 2024
$435,000
Stella Lee
Mcgrath Hwy T
Quit Claim Arm's Length For Ne States
—
Jan 13, 2011
$1
Mark A Call
Tironese-call,brigida
Grant Deed
related
—
Aug 9, 2001
$232,000
Jensen,robert Tr
Mannai,nedo V
Grant Deed
$186,200 · Canton Institute Savings
Jun 28, 1990
$288,000
Nedo V Mannai
Williams,thomas F
Grant Deed
$189,000 · Lincoln Tr Co
Jan 14, 1987
$274,300
RT Condo
21 Mcgrath Assoc
Grant Deed
—
Jan 14, 1987
—
Thomas F Williams
—
Deed Of Trust
related
$192,000 · Bankboston Development Co LLC
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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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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