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Property profile & analytics
OFF-MARKET
Estimated value
$675,000
Office Spaces
1180 Beacon St Ste 1c Brookline, MA 02446-3806
Individually Owned
5-yr Hold
Free & Clear
Property ID
US38-1185011
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1920
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
2,105 SF
Zoning code
M20
APN
BROO B:042 L:0009 S:0005
UPID
US38-1185011
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
-
Quest Diagnostics Medical Laboratory
-
USA Swimming Pool Co. Renovation Specialist General Contractor
-
Smileboston Cosmetic and Implant Dentistry Dental Office
-
Steven D. Spitz, DMD Dental Office
-
American Dental Boston Dental Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$405k
CAP Approach
CAP
$760k
Comparable Approach
Comparable
$550k
Blend (final)
Blend
$675k
Owner & transaction history
Mark Blotner · 5 yrs held
Mark Blotner
since 2020
2 recorded transactions
Zoning & alternative use
M20 · Brookline, 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 Brookline submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Brookline 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
$405,000
CAP Approach
CAP Return
Estimation
6%
$820,000
6.5%
$760,000
7%
$705,000
Blend value · Realmo final
$675k
Range $608k – $743k · ±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
$321 / 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
$14,054
Tax year 2024
Assessed value
$856,400
Assessed 2024
Previous assessed
$856,400
+0.0% YoY
Effective rate
1.64%
On assessed value
Assessed improvement
$856,400
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
Year built
1920
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
HOT WATER
Cooling
YES
Buildings
1
Stories
1
Rooms
7
Bathrooms
3
Total area
2,105 SF
Zoning code
M20
APN
BROO B:042 L:0009 S:0005
UPID
US38-1185011
Jurisdiction
BROOKLINE
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
M20 · Brookline, MA
Zoning M20 · permitted uses
M20 · Brookline, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Brookline. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1920
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
HOT WATER
Cooling
Yes
Stories
1
Buildings
1
Rooms
7
Bathrooms
3
Current owner
From public records · entity-resolved
Mark Blotner
Individual
Free & Clear · 5 yrs held
Mailing address
1450 COMMONWEALTH AVE APT A, BRIGHTON, MA 02135-3708
Ownership since
2020
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 15, 2020
—
Mark Blotner
Blotner Fam LLC
Condominium Deed
—
Dec 3, 2018
—
Blotner Fam LLC
Blotner,phyllis S
Quit Claim Deed
related
—
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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