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Property profile & analytics
OFF-MARKET
Estimated value
$575,000
Showrooms
15 Sawin St Marlborough, MA 01752-2680
Entity Owned
1-yr Hold
~
Est. High Equity
Property ID
US38-1563090
Property profile
Verified
Property type
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Year built
1980
Construction
STEEL FRAME
Total area
3,290 SF
Lot
1.03 ac (44,867 SF)
APN
MARL M:070 B:373 L:000
UPID
US38-1563090
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
$505k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$554k
Blend (final)
Blend
$575k
Owner & transaction history
15 Sawin Marlboro LLC · 1 yrs held
15 Sawin Marlboro LLC
since 2025
Last sale
$630,000
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$925,000
+31.2%
Neighborhood: shopping center
$910,000
+29.1%
Retail stores
$885,000
+25.6%
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
$550,000
ML approach
$505,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$705,000
Current use
AUTO REPAIR, GARAGE
$925,000
Change: +31% · Conversion: Difficult
NEIGHBORHOOD: SHOPPING CENTER
$910,000
Change: +29% · Conversion: Difficult
RETAIL STORES
$885,000
Change: +26% · Conversion: Easy
Blend value · Realmo final
$575k
Range $518k – $633k · ±10% · vs last sale $630k (May 19 2025)
Last sale anchor
$630k
May 19 2025
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
$175 / 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
$11,350
Tax year 2024
Assessed value
$642,700
Assessed 2024
Previous assessed
$642,700
+0.0% YoY
Effective rate
1.77%
On assessed value
Assessed land
$189,600
Assessed improvement
$453,100
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
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Status
Off-Market
Year built
1980
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
1
Units
1
Total area
3,290 SF
Lot
1.03 ac (44,867 SF)
APN
MARL M:070 B:373 L:000
UPID
US38-1563090
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
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$705,000
AUTO REPAIR, GARAGE
Est. value
$925,000
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$910,000
RETAIL STORES
Est. value
$885,000
COMMERCIAL (GENERAL) Current
AUTO REPAIR, GARAGE
NEIGHBORHOOD: SHOPPING CENTER
RETAIL STORES
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1980
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
1
Buildings
1
Units
1
Lot
1.03 ac
Current owner
From public records · entity-resolved
15 Sawin Marlboro LLC
Entity
Mailing address
PO BOX 7TH 7, CONCORD, MA 01742-0007
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
12 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 19, 2025
$750,000
15 Sawin Marlboro LLC
15 Sawin Street LLC
Deed
$1,248,000 · Lowell Five Cents Savings Bank
Nov 20, 2020
—
15 Sawin St LLC
—
Deed
related
$543,946 · Middlesex Savings Bank
Apr 18, 2019
—
15 Sawin Street LLC
—
Deed
related
$220,000 · Citizens Bk/ma
Nov 7, 2008
$630,000
15 Sawin Street LLC
Care Base INC
Grant Deed
$315,000 · Digital FCU
Nov 7, 2008
—
15 Sawin Street LLC
—
Deed Of Trust
related
$252,000 · Digital FCU
Nov 22, 2004
$475,000
Care Base INC
Sawin LLC
Grant Deed
—
May 1, 2001
$300,000
Sawin LLC
E&r RT
Grant Deed
—
Sep 24, 1993
—
E RT
—
Deed Of Trust
related
$105,944 · Hudson National Bank
Feb 25, 1987
—
E RT
—
Deed Of Trust
related
$120,000 · Hudson National Bank
—
—
15 Sawin Street LLC
—
Deed Of Trust
related
$616,000 · Citizens Bk/ma
—
—
15 Sawin Street LLC
—
Deed Of Trust
related
$220,000 · Citizens Bk/ma
—
—
15 Sawin St LLC
—
Deed Of Trust
related
$543,946 · Middlesex Svgs Bk
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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