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    The Largest CRE Database in the US with Over 1 Million Listings

    503-509 Forest Ave Portland, ME 04101

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    For Lease
    Contact for pricing

    Versatile Portland space, 1,268-6,313 sq ft.

    Lot size:
    73,750 SF

    Property Features for 503-509 Forest Ave

    General Information

    Property type
    Flex space
    Lease Type
    Gross Lease
    RSF (Rentable sq. ft)
    73,750 SF
    Class
    B
    Total Rate
    61458.33

    Building Details

    Buildings
    1
    Stories
    2

    Spaces For Lease

    at 503-509 Forest Ave, Portland, ME 04101 Contact us
    Unit Unit 2

    $15 /Mo

    Size
    6,313 SF
    Contact us
    Unit Unit 3A

    $15 /Mo

    Size
    1,268 SF
    Contact us
    Unit Unit 6

    $15 /Mo

    Size
    1,956 SF
    Contact us

    We can help!

    Listing Contact
    John Finegan
    John Finegan

    Listing Agency: The Boulos Company Portland Listing Agent: John Finegan

    Displayed information is deemed reliable but is not guaranteed and should be independently verified.

    Learn more

    Overview

    This exceptional Portland, Maine commercial property offers 73,750 square feet of flexible retail, office, and industrial space across a single, two-story building. Located at 503-509 Forest Ave (cross street: Forest Ave), this Class B property is zoned B2b - Business Community (APN: Map 127, Block A, Lot 2, Cumberland County). Three suites are available, with a minimum divisible space of 1,268 square feet and a maximum contiguous space of 6,313 square feet. The building features convenient amenities including one loading dock, one drive-in door, and two elevators – one passenger and one freight. This prime location in the Greater Portland submarket offers excellent accessibility and visibility. Ideal for a variety of businesses seeking versatile space in a thriving community. The property is situated in Portland, ME, zip code 04101. This is a multi-tenant building offering a range of options to suit diverse business needs. The property's strategic location within the Portland submarket provides easy access to major transportation routes and a strong customer base. Don't miss this opportunity to secure your ideal space in this dynamic area.
    Property Profile Location Intelligence

    Current Use by Public Records

    Flex space

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

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

    Location Insight

    • Map
    • Local Demand
    City
    Portland
    County
    Cumberland
    State
    Maine
    Longitude
    -70.27889137
    Latitude
    43.66741815

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    FAQs

    What type of property is this?
    Flex space - Versatile Portland space, 1,268-6,313 sq ft.
    Where is this flex space located?
    The property is located at 503-509 Forest Ave Portland, ME.
    What is the lease rate?
    The lease rate is $15 SF/Yr.
    What are key features of this property?
    This property features: 73,750 SF of flexible retail, office, and industrial space in a two-story building.; Three suites available, 1,268 SF minimum, 6,313 SF maximum contiguous.; High visibility on Forest Ave (22,180 MDOT average daily traffic), ideal for showroom and storage.
    (617) 872-4111 Call to check price and availability
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    503-509 Forest Ave Portland, ME 04101
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    Portland, ME 04101
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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
    503-509 Forest Ave Portland, ME 04101
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    We can help!
    Contact for Pricing
    Please call us for current price
    and status of this listing John Finegan
    John Finegan
    (617) 872-4111
    Learn more
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