OFF-MARKET
Office buildings
Entity Owned
18-yr Hold
~
Est. High Equity
Entity Owned Property summary
AI-generated overview
This exceptional Class A office building, located at 778 Main St, Scarborough, ME 04074, offers multiple suites available for lease starting February 1, 2025. The 28,175 square foot building, constructed in 1988, sits on 2.05 acres of land and features attractive brick and glass architecture with mature landscaping. The property boasts 100 parking spaces, providing ample on-site parking for tenants and their clients. Individual suites range from a minimum of 922 square feet to a maximum contiguous space of 4,302 square feet, making it suitable for a variety of business needs. The building is zoned LB - Limited Business and is conveniently located along Route One, offering easy access to downtown Portland, the Maine Mall, Portland International Jetport, the Maine Turnpike, and I-295. This two-story building is professionally managed and provides a highly desirable location for businesses seeking a prestigious address in the Greater Portland submarket. Join established tenants such as The Dempsey Center, Boston IVF, PeopleReady, Inc., Red Door Title, and Rejuvenations in this thriving office complex. The property's APN is Map 63, Lot 93.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1988
Construction
STEEL FRAME
Total area
28,594 SF
Lot
2.05 ac (89,298 SF)
Zoning code
Z
APN
SPOR M:063 L:093
UPID
US42-0151793
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$3.87M
Blend (final)
Blend
$3.41M
Owner & transaction history
since 2007
1 recorded transaction
Zoning & alternative use
Z · South Portland, ME
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
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Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 5 comparables with addresses
2 alternative uses screened
Sensitivity value band
Source audit · 10 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$3.41M
Value range
$3.06M – $3.75M
±10% around blend
Estimated value / SF
$119 / SF
Confidence
High
5 county-verified comps
Property data
88
Market benchmarks
67
Comparable evidence
50
$3.06M
blend $3.41M
$3.75M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
28,594 SF
Lot area
2.05 ac
Year built
1988
Stories
1
APN
SPOR M:063 L:093
Assessed value
$3,563,000
Annual tax
$50,381
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$2.46M
Weighted, 5 comps · high confidence
Evidence
5 found · 5 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
3.8 mi away · 26,753 SF
3.8 mi away · 26,753 SF
3.8 mi away · 26,753 SF
5.9 mi away · 22,522 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$3.41M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
Submarket 42 sales
$183
-35%
County 93 sales
$194
-38%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $119/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Not available
Market rent
Not available
Actual rent roll
Not available
Tenant leases
Not available
Physical condition
Not inspected
Conversion costs
Not available
Not analyzed due to unavailable source data: tenant leases, physical condition and capital
requirements were not available for this desktop analysis. Cost Approach excluded due to
availability of income evidence.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 5 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$3.56M
Move the market yield to see immediate price impact.
Value / SF
$125
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$224k
$4.49M
$3.21M
$2.49M
$249k
$4.99M
$3.56M
$2.77M
$274k
$5.49M
$3.92M
$3.05M
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
5 found
High confidence · county-verified
Closest comparable
$4.60M
2.9 mi · Dec 2025 · $176/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$50,381
Tax year 2023
Assessed value
$3,563,000
Assessed 2023
Previous assessed
$3,563,000
+0.0% YoY
Effective rate
1.41%
On assessed value
Assessed land
$647,600
Assessed improvement
$2,915,400
Applied tax rate
71,990.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1988
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
1
Units
1
Bathrooms
3
Total area
28,594 SF
Lot
2.05 ac (89,298 SF)
Zoning code
Z
APN
SPOR M:063 L:093
UPID
US42-0151793
Jurisdiction
SOUTH PORTLAND
Zoning & alternative use
Z · South Portland, MEZoning Z · permitted uses
Z · South Portland, ME
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1988
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
1
Buildings
1
Units
1
Bathrooms
3
Lot
2.05 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
Z
Jurisdiction
South Portland, ME
Recorded code
Z
Ownership Intelligence
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Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
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Owner of record and activity signals are derived from public records and modeled classifications.
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