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Property profile & analytics
FOR LEASE
Office buildings
57 Exchange St Portland, ME 04101
Entity Owned
3-yr Hold
Free & Clear
Property ID
US42-0293673
For Lease
1 / 5
$18.75 SF/Yr
57 Exchange St, Portland, ME 04101
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Property summary
AI-generated overview
57 Exchange Street in Portland, Maine, presents a unique opportunity to lease space in a meticulously preserved historic building. This five-story, 32,800 square foot traditional office building, constructed in 1867, offers a blend of classic charm and modern functionality. The property sits on a 0.14-acre lot and is zoned B3 & PAD Overlay. The building features a single passenger elevator, individually metered power (100 amp service), and caters to various tenancy needs, including traditional office space, executive suites, and coworking arrangements. Its central location in Portland's vibrant Old Port district provides unparalleled access to amenities, transportation, and a thriving business community. The building's unique character and convenient location make it an ideal choice for businesses seeking a prestigious and efficient workspace. The property's Parcel ID is 032 E001001 within Cumberland County. This is a rare opportunity to secure office space in a landmark building with a rich history and a bright future. Inquire today to learn more about available spaces and lease terms.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1900
Total area
32,800 SF
Lot
0.14 ac (6,312 SF)
APN
PTLD M:032 B:E001001
UPID
US42-0293673
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
-
Konvey Advertising Agency Marketing & Advertising
-
Kaitlin Alberto Marriage Or Relationship Counselor Counselor
-
Dr. Robert F. Savadove, MD Physician
-
Food and Wellness Group Physician
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$6.53M
CAP Approach
CAP
$7.71M
Comparable Approach
Comparable
$4.65M
Blend (final)
Blend
$5.92M
Owner & transaction history
Finial LLC · 3 yrs held
Finial LLC
since 2022
Last sale
$5.8M
5 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$9.1M
+50.8%
Retail stores
$6.7M
+10.6%
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 Portland submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Portland 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
$6,740,000
ML approach
$6,530,000
CAP Approach
CAP Return
Estimation
6%
$8,350,000
6.5%
$7,705,000
7%
$7,155,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$6,015,000
Current use
COMMERCIAL (GENERAL)
$9,070,000
Change: +51% · Conversion: Easy
RETAIL STORES
$6,650,000
Change: +11% · Conversion: Moderate
INDUSTRIAL (GENERAL)
$4,910,000
Change: -18% · Conversion: Difficult
Blend value · Realmo final
$5.92M
Range $5.32M – $6.51M · ±10% · vs last sale $5.83M (Sep 19 2022)
Last sale anchor
$5.83M
Sep 19 2022
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
$180 / 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
$54,987
Tax year 2023
Assessed value
$3,815,900
Assessed 2023
Previous assessed
$3,815,900
+0.0% YoY
Effective rate
1.44%
On assessed value
Assessed land
$576,800
Assessed improvement
$3,239,100
Applied tax rate
60,545.0000
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
Office buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1900
Heating
FORCED AIR
Buildings
1
Units
1
Total area
32,800 SF
Lot
0.14 ac (6,312 SF)
APN
PTLD M:032 B:E001001
UPID
US42-0293673
Jurisdiction
PORTLAND
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
OFFICE BUILDING Current
Est. value
$6.0M
COMMERCIAL (GENERAL)
Est. value
$9.1M
RETAIL STORES
Est. value
$6.7M
INDUSTRIAL (GENERAL)
Est. value
$4.9M
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
RETAIL STORES
INDUSTRIAL (GENERAL)
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
1900
Heating
FORCED AIR
Buildings
1
Units
1
Lot
0.14 ac
Current owner
From public records · entity-resolved
Finial LLC
Entity
Free & Clear · 3 yrs held
Mailing address
57 EXCHANGE ST, PORTLAND, ME 04101-5000
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 12, 2025
—
Finial LLC
—
Deed
related
$2,230,000 · Maine Community Bank
Sep 19, 2022
$5,825,250
Finial LLC
Jag 45 Exchange St LLC
Quit Claim Arm's Length For Ne States
—
Apr 7, 2022
—
Jag 57 Exchange St LLC
57 Exchange Street LLC
Quit Claim Deed
related
—
Apr 21, 2009
—
57 Exchange Street LLC
—
Deed Of Trust
related
$1,000,000 · Camden National Bank
Nov 28, 2007
—
57 Exchange Street LLC
Pitcairn Trust Co
Grant Deed
related
—
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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