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    731 Commercial St Rockport, ME 04856

    Sponsored
    For Sale
    $540,000

    COMMERCIAL - Rockport, ME

    Property size:
    8,098 SF
    Lot size:
    1.15 Acres
    Days on Market:
    5
    Last Refresh:
    Feb 6 at 8:06 am

    Property Features for 731 Commercial St

    General Information

    Property type
    Commercial Sale
    Property subtype
    Other
    Standard status
    Active
    Zoning
    907
    Basement
    Crawl Space, Sump Pump, Full
    Accessibility
    Accessible Approach with Ramp
    Size
    8,098 SF
    Lot size
    1.15 Acres

    Utilities

    Sewer type
    Private Sewer, Septic Tank
    Heating system
    Zoned, Heat Pump (Heating), Space Heater, Baseboard, Forced Air
    Cooling system
    Central Air
    Water source
    Well, Private

    Building Details

    Year built
    1900
    Flooring type
    Vinyl, Carpet, Wood, Laminate
    Building materials
    Vinyl Siding, Wood Frame
    Roof type
    Metal

    We can help!

    Listing Contact
    Nancy Hughes

    Camden Coast Real Estate (207) 236-1111

    Listing agent Nancy Hughes (207) 236-1111

    Listing date Feb 2, 2026

    MLS# 1621429

    Copyright © 2026 Maine Listings. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    Learn more

    Property Insight Report

    Overview

    Route One Commercial Building

    This commercial building, located on Route One in Rockport, Maine, includes three large commercial office spaces and one residential unit. The property is equipped with four separate 200 amp electrical services. It features both front and back parking and is ADA compliant. The property currently has two leases with established companies, providing an income source. The centrally located property is situated half a mile north of Pen Bay Medical Center and five minutes from Rockland or Camden. This multi-faceted business investment can yield a return and house your business venture. The building has a total size of 8098 square feet and is situated on a 1.15-acre lot. The zoning is 907. The property includes parking and is located in Rockport, ME.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Pen Bay Surgical ... Medical Clinic Dr. Gordon T. ... Physician Mckinley Susan C ... Pediatrician Hanger Clinic: Prosthetics ... Orthotics & Prosthetics Service Harbor Family Services Counselor

    Suggested Use

    Real Estate Agency Restaurant Law Firm Building Supply Big Box & Wholesale Store Spa & Massage Center Dental Office Auto Repair Shop Hair Salon Nail Salon

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Rockport
    County
    Knox
    State
    Maine
    Longitude
    -69.0869353
    Latitude
    44.1531926

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    FAQs

    What type of property is this?
    Office building - Commercial building with office spaces and residential unit in Rockport.
    Where is this office building located?
    The property is located at 731 Commercial St Rockport, ME.
    What is the asking price?
    The asking price for this property is $540,000.
    What are key features of this property?
    This property features: - Prime Route One location in Rockport, centrally located near Pen Bay Medical Center and a short drive to Rockland and Camden.; - Multi-faceted commercial building with three office spaces and one residential unit, offering diverse income potential.; - Existing leases with established companies provide immediate income stream.
    (207) 236-1111
    Request Owner's contact information
    731 Commercial St Rockport, ME 04856
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    Rockport, ME 04856
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

    More about this property
    731 Commercial St Rockport, ME 04856
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    We can help!
    Listing Contact
    Nancy Hughes
    (207) 236-1111
    Learn more
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