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    Property profile & analytics

    809 Mamaroneck Ave, Unit 817 Mamaroneck, NY 10543-1931

    • Investment properties
    • 12,188 SF
    • 0.11 lot acres
    OFF-MARKET
    Value Estimations
    $2,655,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US63-1923054
    The Realmo ID is a unique identifier assigned to every property, incorporating country codes and precise geo-coordinates for 300x300-foot land blocks. It enables standardized data collection and seamless integration of disparate sources such as ownership, tax, title data and physical specifications. By aggregating current and historical records, the Realmo ID powers advanced analytics and delivers deep, verifiable insights for real estate professionals.

    Current Use by Public Records

    • Investment properties

    Property Details for 809 Mamaroneck Ave

    Year built
    2020
    Lot size
    0.11 lot acres
    Property size
    12,188 SF
    Property type
    Investment properties
    Property subtype
    Retail residential properties
    APN
    553203 8-21-228
    APU
    553203821228

    Value Estimations

    based on Realmo’s proprietary methodology

    • CAP approach

      CAP Return
      Estimation
      6%
      $2,945,000
      6.5%
      $2,720,000
      7%
      $2,525,000

    • Comparable approach

      Method
      Estimation
      AI Estimate
      $2,026,000
      Market price range: $730k - $2.13M

    • Alternative Use

      Use
      Estimation
      OFFICE BUILDING
      $4,280,000

    Get a detailed, property-specific valuation — fast and free

    Location Insight

    • Map
    • Local Demand
    City
    Mamaroneck
    County
    Westchester
    State
    New York
    Longitude
    -73.7377
    Latitude
    40.9572
    CBSA code
    35620
    CBSA name
    NEW YORK-NORTHERN NEW JERSEY-LONG ISLAND, NY-NJ-PA METROPOLITAN STATISTICAL AREA

    Property Tax & Assessments

    Tax date
    Tax Amount
    Assessed Land Value
    Assessed Improvement Value
    Total Assessed Value
    Applied Tax Rate
    Land Market Value
    Improvement Market Value
    Total Market Value
    2020
    $0.00
    $221,000
    $3,979,000
    $4,200,000
    -
    $221,000
    $3,979,000
    $4,200,000

    Comparable in this City

    • Value Estimation
      $620,000
      3,900 SF

      626 3rd St

      STORE/OFFICE (MIXED USE) • 3,900 SF
      626 3rd St, Mamaroneck, NY 10543-1644
      View Details
    • Value Estimation by Request
      1,221 SF

      401 Ward Ave

      STORE/OFFICE (MIXED USE) • 1,221 SF
      401 Ward Ave, Mamaroneck, NY 10543-2638
      View Details
    • Value Estimation by Request
      2,500 SF

      579 Boston Post Rd, Unit 585

      STORE/OFFICE (MIXED USE) • 2,500 SF
      579 Boston Post Rd, Mamaroneck, NY 10543-3740
      View Details
    • Value Estimation
      $2,835,000
      15,281 SF

      1202 Boston Post Rd, Unit 20

      STORE/OFFICE (MIXED USE) • 15,281 SF
      1202 Boston Post Rd, Mamaroneck, NY 10543-3332
      View Details
    • Value Estimation
      $955,000
      4,200 SF

      804-808 Boston Post Rd

      STORE/OFFICE (MIXED USE) • 4,200 SF
      804-808 Boston Post Rd, Mamaroneck, NY 10543
      View Details
    • Value Estimation
      $1,145,000
      6,345 SF

      500 Halstead Ave

      STORE/OFFICE (MIXED USE) • 6,345 SF
      500 Halstead Ave, Mamaroneck, NY 10543-2714
      View Details

    Similar Nearby for Sale

    • $4,000,000

      Mixed-Use Development Opportunity Near Station

      0.6-acre assemblage for mixed-use development near Mamaroneck train station.
      313-333 Halstead Ave, Mamaroneck, NY 10543
      View Details
    • $1,249,000

      Mamaroneck Avenue Mixed-Use Opportunity

      Versatile property with retail, office, and residential spaces.
      1050 Mamaroneck Ave, Mamaroneck, NY 10543
      View Details
    • $2,655,000
      13,900 SF

      Mamaroneck Industrial Property

      13,900 SF Industrial Building, 0.29 Acres
      430 Center Ave, Mamaroneck, NY 10543
      View Details
    • $1,200,000
      3,220 SF

      Mamaroneck Mixed-Use Income Property

      Prime Location, High-Income Potential
      324 Mount Pleasant Ave, Mamaroneck, NY 10543
      View Details
    • $1,300,000
      Pending

      Approved Development Site Near Train

      Approved development site for 10 residential units near train.
      572 Van Ranst Pl, Mamaroneck, NY 10543
      View Details

    Similar Nearby for Lease

    • $2,500 /Mo

      Prime Retail Space in Mamaroneck

      429 sq ft retail space in a vibrant location.
      324 Mount Pleasant Ave, Mamaroneck, NY 10543
      View Details
    • $42 SF/Yr
      1,750 SF

      Mamaroneck Retail Space For Lease

      Prime retail space available on East Boston Post Road.
      615 East Boston Post Rd, Mamaroneck, NY 10543
      View Details
    • $1,900 /Mo
      500 SF

      Mamaroneck Storefront in Prime Location

      Highly visible storefront in a thriving commercial district.
      339 Mount Pleasant Ave, Mamaroneck, NY 10543
      View Details
    • $2,850 /Mo

      Mamaroneck Avenue Retail Space

      Retail space for lease near Metro North train station.
      432 Mamaroneck Ave, Mamaroneck, NY 10543
      View Details
    • $27 SF/Yr
      3,354 SF

      Retail Space Near Train Station

      Commercial space for rent across from Mamaroneck Metro-North station.
      311 Halstead Ave, Mamaroneck, NY 10543
      View Details
    • $3,700 /Mo
      6,098 SF

      Mamaroneck Commercial Flex Space Available

      Flex space ideal for contractors near Route 95.
      360 Mount Pleasant Ave, Mamaroneck, NY 10543
      View Details
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    Mamaroneck, NY 10543-1931
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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
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