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Property summary
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.
Ownership intelligence
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. In the full report.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax · 2023
Value estimate
· Sep 2026Realmo valuation models over county records and 4 qualifying comparable sales.
Recently sold
Cap rate analysis
Price anchors at 6 / 6.5 / 7% — in the full report.
Zoning insight
No data for this sectionNo zoning code is on file for this parcel. Coverage grows with every catalog release.
Location intelligence
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 17 properties nearbyComparable nearby
Similar Nearby for Sale
Similar Nearby for Lease
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
from $99/month
- GBA
- 32,800 SF
- Lot area
- 0.14 ac
- Year built
- 1900
- APN
- PTLD M:032 B:E001001
- Assessed value · 2023
- $3,815,900
- Annual tax · 2023
- $54,987
- Estimated market rent / SF
- Potential gross income
- Vacancy allowance
- Effective gross income
- Benchmark operating expenses
- Stabilized NOI
- Property tax · 2023
- $54,987
- Selected cap rate
- Retail Stores
- Office Building · current use
- Industrial (general)
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
from $99/month
Derived from the Portland market rent, vacancy and expense benchmarks for this use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
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.
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
Registration is required before any owner information is shown.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
Registration is required before any owner information is shown.
- Ownership
- Owner Contacts
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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- Alternative use
- Local Zoning Insight
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- Ownership
- Owner Contacts
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- Everything in the Light report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
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- Location Insight
- Alternative use
- Local Zoning Insight
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- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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