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Property profile & analytics
OFF-MARKET
Estimated value
$17,930,000
Office buildings
255 Main St, Cambridge, MA 02142-1029
Entity Owned
Absentee Owner
Free & Clear
Property ID
US38-0507096
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1986
Construction
STEEL FRAME
Total area
230,394 SF
Lot
0.6 ac (26,325 SF)
Zoning code
MXD
APN
CAMB M:00044 L:00100
UPID
US38-0507096
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
-
Ernst & Young LLP Accounting Firm
-
Chipotle Mexican Grill Restaurant
-
Janssen Human Microbiome Institute Factory Production Facility
-
The Link Coworking & Hybrid Office
-
Pivotal (Bike/Boat/Book/etc) Store Corporate Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$17.93M
Owner & transaction history
BOSTON PROPERTIES INC
BOSTON PROPERTIES INC
Zoning & alternative use
MXD · Cambridge, 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 Cambridge submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Cambridge 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
$78 / 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
$1,548,196
Tax year 2024
Assessed value
$148,011,100
Assessed 2024
Previous assessed
$148,011,100
+0.0% YoY
Effective rate
1.05%
On assessed value
Assessed land
$56,790,900
Assessed improvement
$91,220,200
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1986
Construction
STEEL FRAME
Heating
HOT WATER
Cooling
YES
Buildings
1
Stories
12
Units
1
Total area
230,394 SF
Lot
0.6 ac (26,325 SF)
Zoning code
MXD
APN
CAMB M:00044 L:00100
UPID
US38-0507096
Jurisdiction
CAMBRIDGE
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
MXD · Cambridge, MA
Zoning MXD · permitted uses
MXD · Cambridge, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Cambridge. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1986
Construction
STEEL FRAME
Heating
HOT WATER
Cooling
Yes
Stories
12
Buildings
1
Units
1
Lot
0.6 ac
Current owner
From public records · entity-resolved
BOSTON PROPERTIES INC
Entity
Free & Clear · 0 yrs held
Mailing address
800 BOYLSTON ST STE #1900, BOSTON, MA 02199-8101
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
—
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
No recorded transactions
No recorded transactions found for this property.
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.
Try Rey
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