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Property profile & analytics
FOR LEASE
Office buildings
1 Brattle Sq, Cambridge, MA 02138
Entity Owned
3-yr Hold
~
Est. High Equity
Property ID
US38-1389194
For Lease
1 / 2
$2,705,000
1 Brattle Sq, Cambridge, MA 02138
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1991
Construction
STEEL FRAME
Total area
112,901 SF
Lot
0.68 ac (29,632 SF)
Zoning code
BB-HSQ
APN
CAMB M:00168 L:00036
UPID
US38-1389194
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
-
One Brattle Square Property Management Company
-
Eastern Bank Bank Loan Service
-
Webster Bank Bank Loan Service
-
Susan Cheng, OD Physician
-
Spyce Restaurant
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$2.87M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$2.71M
Owner & transaction history
Bcsp 9 Obs Property LLC · 3 yrs held
Bcsp 9 Obs Property LLC
since 2022
Last sale
$2.7M
7 recorded transactions
Zoning & alternative use
BB-HSQ · 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
Method
Estimation
Statistic approach
$2,520,000
ML approach
$2,870,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$2.71M
Range $2.43M – $2.98M · ±10% · vs last sale $2.72M (Dec 14 2022)
Last sale anchor
$2.72M
Dec 14 2022
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
$24 / 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
$945,640
Tax year 2024
Assessed value
$90,405,400
Assessed 2024
Previous assessed
$90,405,400
+0.0% YoY
Effective rate
1.05%
On assessed value
Assessed land
$81,929,300
Assessed improvement
$8,476,100
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
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 buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1991
Construction
STEEL FRAME
Heating
HOT WATER
Cooling
YES
Buildings
1
Stories
6
Units
8
Total area
112,901 SF
Lot
0.68 ac (29,632 SF)
Zoning code
BB-HSQ
APN
CAMB M:00168 L:00036
UPID
US38-1389194
Jurisdiction
CAMBRIDGE
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
BB-HSQ · Cambridge, MA
Zoning BB-HSQ · permitted uses
BB-HSQ · 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
1991
Construction
STEEL FRAME
Heating
HOT WATER
Cooling
Yes
Stories
6
Buildings
1
Units
8
Lot
0.68 ac
Current owner
From public records · entity-resolved
Bcsp 9 Obs Property LLC
Entity
Mailing address
200 STATE ST, BOSTON, MA 02109-2605
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 14, 2022
$78,278,400
Bcsp 9 Obs Property LLC
Piedmont 1 Brattle Sq 1
Quit Claim Arm's Length For Ne States
$51,600,000 · Berkshire Bank
Dec 14, 2022
$2,721,600
Bcsp 9 Obs Property LLC
Piedmont 1 Brattle Sq 2
Quit Claim Arm's Length For Ne States
—
Dec 19, 2017
$18,000,000
Ap Brattle Square LP
Marshall W Stearns T LLC
Quit Claim Deed
related
—
Dec 19, 2017
$54,000,000
Ap Brattle Square LP
Brattle Square Properties
Quit Claim Deed
related
—
Dec 19, 2017
$36,000,000
Ap Brattle Square LP
Stearns Brattle St LLC
Quit Claim Deed
related
—
Mar 2, 2004
$2,343,264
Wells Reit One Brattle Sq
Ob Square Leasehold LLC
Grant Deed
—
Mar 2, 2004
$67,396,736
Wells Reit One Brattle Sq
Ob Square Acquisition LLC
Grant Deed
—
Apr 23, 2003
—
Ob Square Leasehold LLC
—
Deed Of Trust
related
$1,675,000 · Gary Needham
Dec 15, 2000
$16,462,500
Ob Square Acquisition
Ob Square LLC
Grant Deed
related
—
Jul 20, 2000
$2,100,000
Concerned Scntst Union
2 Brattle Ctr LP
Grant Deed
$2,100,000 · Wainwright Bank & Trust Co
May 18, 1999
$1,420,000
Ob Sq Leasehold LLC
Mitchell,william A JR
Grant Deed
—
Mar 17, 1998
$42,750,000
Ob Square LLC
1 Brattle Sq INC
Grant Deed
$28,454,844 · Nomura Asset Capital
Jul 14, 1994
$31,500,000
One Brattle Sq INC
Brattle Corp
Grant Deed
related
$15,000,000 · Zeger Corp Pension Trust
Jul 22, 1992
$30,000,000
Brattle Corp
Ivanhoe RT
Grant Deed
$26,500,000 · Zenon Grzybowski
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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