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30 Exchange St, Portland, ME 04101
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Property summary
AI-generated overview
The property is a commercial office space located at 30 Exchange St, Portland, Maine 04101. It is configured for office use and is suitable for businesses seeking dedicated office accommodations.
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1900
Total area
8,432 SF
Lot
0.06 ac (2,723 SF)
APN
PTLD M:032 B:I011001
UPID
US42-0255969
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Translation Service
-
Real Estate Agency
-
Construction Company General Contractor
-
Charitable Organization Social Service Agency
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$2.91M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.78M
Blend (final)
Blend
$2.87M
Owner & transaction history
since 2022
Last sale
$2.5M
3 recorded transactions
Zoning & alternative use
Top alternative use upside
Commercial (general)
$2.3M
+36.3%
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.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Full NOI build-up · 6 steps
All 4 comparables with addresses
3 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional Plan · 30 reports
from $99/month
from $99/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$2.87M
Value range
$2.58M – $3.16M
±10% around blend
Estimated value / SF
$340 / SF
Confidence
Low
4 county-verified comps
Property data
75
Market benchmarks
67
Comparable evidence
40
Income certainty
100
$2.58M
blend $2.87M
$3.16M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
8,432 SF
Lot area
0.06 ac
Year built
1900
APN
PTLD M:032 B:I011001
Assessed value
$1,160,400
Annual tax
$16,721
3
Income approach: direct capitalization
Partial preview
Estimated Stabilized NOI, derived from market rent, vacancy and expense benchmarks. Actual property income not reported.
Estimated market rent / SF
Potential gross income
Vacancy allowance
Effective gross income
Benchmark operating expenses
Stabilized NOI
Property tax
$16,721
Selected cap rate
4
Sales comparison
Partial preview
Sales approach indication
$1.15M
Weighted, 4 comps · low confidence
Evidence
4 found · 4 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
1.5 mi away · 7,740 SF
1.9 mi away · 8,947 SF
22.6 mi away · 7,406 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$2.87M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
Submarket 41 sales
$203
+68%
County 86 sales
$190
+80%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $340/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Commercial (general)
Gross theoretical uplift
+36%
vs current-use indication
Retail Stores · current use
Office Building
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Modeled
Market rent
Market benchmark
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
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.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 4 sales
NOI build-up · 9 steps
Market rates by use type
PDF export
Professional Plan · 30 reports
from $99/month
from $99/month
Overview
Selected market yield
3.10%
Selected cap rate for this retail space
Derived from the Portland market rent, vacancy and expense benchmarks for this use type.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 3.10%
9.0%
NOI (est.)
$43k *
Last sale · Jun 2022
$2.48M
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$1.40M
Move the market yield to see immediate price impact.
Value / SF
$166
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
2.60%3.10%3.60%
$39k
$1.50M
$1.26M
$1.08M
$43k
$1.67M
$1.40M
$1.20M
$48k
$1.84M
$1.54M
$1.33M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
4 found
Low confidence · county-verified
Closest comparable
$1.28M
0.6 mi · Nov 2025 · $161/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$16,721
Tax year 2023
Assessed value
$1,160,400
Assessed 2023
Previous assessed
$1,160,400
+0.0% YoY
Effective rate
1.44%
On assessed value
Assessed land
$361,200
Assessed improvement
$799,200
Applied tax rate
60,545.0000
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
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
For Lease
Year built
1900
Heating
NONE
Buildings
2
Units
1
Total area
8,432 SF
Lot
0.06 ac (2,723 SF)
APN
PTLD M:032 B:I011001
UPID
US42-0255969
Jurisdiction
PORTLAND
Zoning & alternative use
Zoning · permitted uses
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release.
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
1900
Heating
NONE
Buildings
2
Units
1
Lot
0.06 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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