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Property profile & analytics
FOR LEASE
Office buildings
221 Boston Post Rd E, Marlborough, MA 01752
Entity Owned
1-yr Hold
Absentee Owner
Free & Clear
Property ID
US38-1239641
For Lease
1 / 2
$15 SF/Yr
221 Boston Post Rd E, Marlborough, MA 01752
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1985
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
35,077 SF
Lot
2.32 ac (101,059 SF)
APN
MARL M:059 B:018 L:000
UPID
US38-1239641
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
$3.45M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$4.00M
Blend (final)
Blend
$3.45M
Owner & transaction history
221 Boston Post LLC · 1 yrs held
221 Boston Post LLC
since 2024
Last sale
$3.5M
4 recorded transactions
Zoning & alternative use
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 Marlborough submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Marlborough 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
$3,450,000
ML approach
$3,450,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$3.45M
Range $3.11M – $3.80M · ±10% · vs last sale $3.45M (Oct 11 2024)
Last sale anchor
$3.45M
Oct 11 2024
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
$98 / 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
$59,708
Tax year 2024
Assessed value
$3,381,000
Assessed 2024
Previous assessed
$3,381,000
+0.0% YoY
Effective rate
1.77%
On assessed value
Assessed land
$683,400
Assessed improvement
$2,697,600
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
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
For Lease
Year built
1985
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
4
Units
21
Total area
35,077 SF
Lot
2.32 ac (101,059 SF)
APN
MARL M:059 B:018 L:000
UPID
US38-1239641
Jurisdiction
MARLBOROUGH
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Building & site characteristics
From public records
Year built
1985
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
Yes
Stories
4
Buildings
1
Units
21
Lot
2.32 ac
Current owner
From public records · entity-resolved
221 Boston Post LLC
Entity
Free & Clear · 1 yrs held
Mailing address
21 HEYWOOD ST WORCESTER
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 11, 2024
—
221 Boston Post LLC
Marlborough City Of
Redemption Deed
related
—
May 1, 2020
$3,450,000
221 Boston Post LLC
John L Martin
Quit Claim Arm's Length For Ne States
$2,587,500 · Eastern Bank
Mar 13, 1998
—
Dev T Martin
—
Deed Of Trust
related
$1,300,000 · Savers Coop Bank
Apr 6, 1988
—
Martin Develop Tr
—
Deed Of Trust
related
$175,000 · Shawmut Bank Of Boston
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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