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Property profile & analytics
OFF-MARKET
Estimated value
$680,000
Office buildings
104 Tandberg Trl Windham, ME 04062-5206
Individually Owned
18-yr Hold
~
Est. High Equity
Property ID
US42-0362285
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1977
Construction
FRAME
Total area
3,165 SF
Lot
0.46 ac (20,038 SF)
Zoning code
C-1
APN
WINM M:18 B:37 L:A
UPID
US42-0362285
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
-
Mullen's Driving School Training Center Vocational School
-
Vitality Room Gym & Fitness Center Alternative Medicine Practice
-
Nationwide Insurance: Sig Insurance Agencies Insurance Agency
-
Pine State Trailer Tags (f/k/a Ace Registration Services) Trucking Company
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$745k
Comparable Approach
Comparable
$591k
Blend (final)
Blend
$680k
Owner & transaction history
Marcia S Mullen · 18 yrs held
Marcia S Mullen
since 2008
3 recorded transactions
Zoning & alternative use
C-1 · Windham, ME
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Zoning description
Commercial District I (C-1). MapLink An interactive map for this zoning district can be found here . 2026-05-07 [Amended 9-14-2010 by Order 10-164 ; 12-14-2010 by Order 10-230 ; 5-14-2013 by Order 13-072 ; 6-28-2016 by Order 16-111 ; 6-12-2018 by Order 18-099 ; 7-9-2019 by Order 19-121 ; 5-26-2020 by Order 20-048 ; 4-12-2022 by Order No. 22-062 ; 7-12-2022 b…
Zone name
Commercial 1
General category
COMMERCIAL
Zone area
740.97 ac
Top alternative use upside
Commercial (general)
$715,000
+16.6%
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 Windham submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Windham 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
by Request
CAP Approach
CAP Return
Estimation
6%
$805,000
6.5%
$745,000
7%
$690,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$615,000
Current use
COMMERCIAL (GENERAL)
$715,000
Change: +17% · Conversion: Easy
RETAIL STORES
$600,000
Change: -2% · Conversion: Moderate
Blend value · Realmo final
$680k
Range $612k – $748k · ±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
$215 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$4,806
Tax year 2023
Assessed value
$429,100
Assessed 2023
Previous assessed
$408,100
+5.1% YoY
Effective rate
1.12%
On assessed value
Assessed land
$83,800
Assessed improvement
$345,300
Applied tax rate
86,025.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
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
1977
Construction
FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
2
Units
1
Total area
3,165 SF
Lot
0.46 ac (20,038 SF)
Zoning code
C-1
APN
WINM M:18 B:37 L:A
UPID
US42-0362285
Jurisdiction
WINDHAM
Zoning & alternative use
C-1 · Windham, MEZoning C-1 · permitted uses
C-1 · Windham, ME
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Zoning description
Commercial District I (C-1). MapLink An interactive map for this zoning district can be found here . 2026-05-07 [Amended 9-14-2010 by Order 10-164 ; 12-14-2010 by Order 10-230 ; 5-14-2013 by Order 13-072 ; 6-28-2016 by Order 16-111 ; 6-12-2018 by Order 18-099 ; 7-9-2019 by Order 19-121 ; 5-26-2020 by Order 20-048 ; 4-12-2022 by Order No. 22-062 ; 7-12-2022 by Order No. 22-126 ; 11-10-2022 by Order No. 22-205 ; 4-25-2023 by Order No. 23-060 ; 8-15-2023 by Order No. 23-150 ; 8-15-2023 by Order No. 23-151 ; 8-15-2023 by Order No. 23-149 ; 3-12-2024 by Order No. 24-033 ; 1-14-2025 by Order No. 25-002 ; 2-25-2025 by Order No. 25-033 ; 1-27-2026 by Order No. 26-009 ] A. Intent. To provide general retail sales, services and business space within the Town of Windham in locations capable of conveniently servicing community-wide and/or regional trade areas, with safe, well-regulated automobile access and pedestrian access where appropriate. B. Permitted uses. The following uses, as they are defined in Article 3 , shall be permitted in the Commercial District I as a matter of right. Refer to Article 5 , Performance Standards, or Subsection F , District standards, for additional use information.
Zone name
Commercial 1
General category
COMMERCIAL
Zone area
740.97 ac
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$615,000
COMMERCIAL (GENERAL)
Est. value
$715,000
RETAIL STORES
Est. value
$600,000
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
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
1977
Construction
FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
2
Buildings
1
Units
1
Lot
0.46 ac
Current owner
From public records · entity-resolved
Marcia S Mullen
Individual
Mailing address
25 OLD PLNS RD, POLAND SPRING, ME 04274-6355
Ownership since
2008
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 11, 2008
—
Marcia S Mullen
Carr,jeffrey J
Warranty Deed
$276,000 · Bangor Savings Bank
Oct 24, 2007
—
J L Carr LLC
—
Deed Of Trust
related
$60,000 · Key Bank NA
Sep 1, 2006
—
Jeffrey Carr
—
Deed Of Trust
related
$1,890,000 · Key Bank NA
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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