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Property profile & analytics
FOR SALE
Office buildings
6 Windsor St Andover, MA 01810
Entity Owned
6-yr Hold
~
Est. High Equity
Property ID
US38-0102915
For Sale
1 / 33
$1,300,000
6 Windsor St, Andover, MA 01810
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Property summary
AI-generated overview
This stunning, free-standing all-brick building, situated on a 0.26-acre lot in Andover, MA's historic Shawsheen Village District, presents a unique investment opportunity. Currently undergoing renovation, this four-story property offers exceptional versatility for commercial or residential use. The building boasts multiple rooms and offices, providing ample space for a variety of needs. Each floor includes a bathroom, enhancing convenience and functionality. Modern amenities include central air conditioning and heating, ensuring year-round comfort. Significant upgrades have been completed, including brand new plumbing and electrical systems, as well as a state-of-the-art commercial fire suppression system. The main floor features a handicap-accessible bathroom and a wheelchair ramp, promoting inclusivity and accessibility. Off-street parking is plentiful, complemented by a detached three-car garage, offering ample space for vehicles or storage. The property's central location provides easy access to major highways, public transportation, shopping, and downtown Andover. The seller will continue renovations depending on the sale date, with the property sold as-is at the time of offer. This exceptional property is back on the market due to previous buyer financing issues, presenting a second chance to acquire this remarkable multi-use building.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1917
Construction
FRAME
Total area
4,368 SF
Lot
0.26 ac (11,238 SF)
Zoning code
GB
APN
ANDO M:00052 B:00044 L:00000
UPID
US38-0102915
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
$1.18M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.33M
Blend (final)
Blend
$1.09M
Owner & transaction history
Surette Realty LLC · 6 yrs held
Surette Realty LLC
since 2020
Last sale
$941,500
6 recorded transactions
Zoning & alternative use
GB · Andover, 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 Andover submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Andover 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
$1,210,000
ML approach
$1,180,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,110,000
Current use
AUTO REPAIR, GARAGE
$1,045,000
Change: -6% · Conversion: Difficult
RETAIL STORES
$970,000
Change: -12% · Conversion: Moderate
Blend value · Realmo final
$1.09M
Range $977k – $1.19M · ±10% · vs last sale $942k (Mar 13 2020)
Last sale anchor
$942k
Mar 13 2020
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
$248 / 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
$24,425
Tax year 2024
Assessed value
$958,600
Assessed 2024
Previous assessed
$873,500
+9.7% YoY
Effective rate
2.55%
On assessed value
Assessed land
$205,800
Assessed improvement
$752,800
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 Sale
Year built
1917
Construction
FRAME
Heating
HOT WATER
Cooling
YES
Buildings
1
Stories
1
Units
1
Bathrooms
3
Total area
4,368 SF
Lot
0.26 ac (11,238 SF)
Zoning code
GB
APN
ANDO M:00052 B:00044 L:00000
UPID
US38-0102915
Jurisdiction
ANDOVER
Metro division
ESSEX COUNTY, MA METROPOLITAN DIVISION
Zoning & alternative use
GB · Andover, MA
Zoning GB · permitted uses
GB · Andover, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Andover. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$1.1M
AUTO REPAIR, GARAGE
Est. value
$1.0M
RETAIL STORES
Est. value
$970,000
OFFICE BUILDING Current
AUTO REPAIR, GARAGE
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
1917
Construction
FRAME
Heating
HOT WATER
Cooling
Yes
Stories
1
Buildings
1
Units
1
Bathrooms
3
Lot
0.26 ac
Current owner
From public records · entity-resolved
Surette Realty LLC
Entity
Mailing address
160 MERRIMACK ST, METHUEN, MA 01844-6117
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
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 13, 2020
$941,500
Surette Realty LLC
Ap Beck-andover Realty
Quit Claim Arm's Length For Ne States
$545,600 · Enterprise Bank & Trust Co
Jun 28, 2012
—
Ap Beck-andover Rlty LLC
—
Deed Of Trust
related
$77,500 · Savings Bank
Sep 22, 2010
—
A P Beck Ando Realty LLC
—
Deed Of Trust
related
$150,000 · Belmont Savings Bank
Sep 30, 2009
$635,000
A P Beck Andover Rlty LLC
Tepperman Ray Rlty LLC
Grant Deed
$508,000 · Bank Of America
Jul 18, 2003
—
Tepperman Ray Realty
—
Deed Of Trust
related
$500,000 · Danvers Savings Bank
Jun 30, 2000
$650,000
Tepperman Ray Rlty Lc
Schussel,george
Grant Deed
$520,000 · Citizens Bank Of Ma
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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