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    The Largest CRE Database in the US with Over 1 Million Listings
    Property profile & analytics

    42 Boston Post E Rd Marlborough, MA 01752-3500

    • Super regional malls
    • 10,846 SF
    • 1.03 lot acres
    OFF-MARKET
    Value Estimations
    $1,750,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US38-1328091
    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

    • Super regional malls

    Property Details for 42 Boston Post E Rd

    Year built
    1981
    Construction
    MASONRY/CONCRETE MASONRY UNITS (CMUS)
    Lot size
    1.03 lot acres
    Property size
    10,846 SF
    Property type
    Super regional malls
    APN
    MARL M:058 B:125 L:000
    APU
    MARLM058B125L000

    Value Estimations

    based on Realmo’s proprietary methodology

    • Alternative Use

      Use
      Estimation
      APARTMENT HOUSE (5+ UNITS)
      $2,500,000

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

    Location Insight

    • Map
    • Local Demand
    City
    Marlborough
    County
    Middlesex
    State
    Massachusetts
    Longitude
    -71.5289
    Latitude
    42.3516
    CBSA code
    14460
    CBSA name
    BOSTON-CAMBRIDGE-QUINCY, MA-NH 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
    2024
    $32,298
    $303,400
    $1,525,500
    $1,828,900
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $1,080,000
      6,188 SF

      90 Apex Dr

      REGIONAL SHOPPING CENTER, MALL • 6,188 SF
      90 Apex Dr, Marlborough, MA 01752-4569
      View Details
    • Value Estimation
      $1,160,000
      8,054 SF

      286 Main St

      REGIONAL SHOPPING CENTER, MALL • 8,054 SF
      286 Main St, Marlborough, MA 01752-3459
      View Details
    • Value Estimation
      $1,995,000
      15,027 SF

      58 Apex Dr

      REGIONAL SHOPPING CENTER, MALL • 15,027 SF
      58 Apex Dr, Marlborough, MA 01752-1893
      View Details
    • Value Estimation
      $1,875,000
      14,392 SF

      530 Boston Post E Rd

      REGIONAL SHOPPING CENTER, MALL • 14,392 SF
      530 Boston Post E Rd, Marlborough, MA 01752-3647
      View Details
    • Value Estimation
      $7,520,000
      199,656 SF

      627 Donald Lynch Blvd

      REGIONAL SHOPPING CENTER, MALL • 199,656 SF
      627 Donald Lynch Blvd, Marlborough, MA 01752-4726
      View Details
    • Value Estimation
      $5,070,000
      47,578 SF

      420 Maple St

      REGIONAL SHOPPING CENTER, MALL • 47,578 SF
      420 Maple St, Marlborough, MA 01752-6221
      View Details

    Similar Nearby for Sale

    • Contact for pricing
      2,000 SF

      Freestanding Commercial Building on Route 20

      2,000 SF Marlborough building with high visibility and ample parking.
      71 Boston Post Rd East, Marlborough, MA 01752
      View Details
    • Contact for pricing
      10.00 Acres

      Prime Marlborough Retail Opportunity

      163,482 SF Retail Building, 10 Acres
      521 Donald Lynch Blvd, Marlborough, MA 01752
      View Details
    • Contact for pricing
      3,774 SF

      Retail Space with Drive-Through

      Retail space featuring excellent visibility, frontage, and drive-through.
      223 E Main St, Marlborough, MA 01752
      View Details
    • Contact for pricing
      3,774 SF

      Prime Marlborough Retail Space

      High-traffic convenience store, 3,774 SF.
      223 Main St, Marlborough, MA 01752
      View Details
    • Contact for pricing

      Retail Space with Drive-Through

      Retail space with excellent visibility and drive-through.
      Marlborough, MA 01752
      View Details
    • $649,000

      Well-Maintained Two-Unit Home

      Two-unit home with eat-in kitchens and off-street parking.
      3 Madison St, Marlborough, MA 01752
      View Details

    Similar Nearby for Lease

    • $8 SF/Yr
      2,250 SF

      Retail Spaces Available for Lease

      Neighborhood retail center with spaces for lease on main highway.
      630-650 Boston Post Rd E, Marlborough, MA 01752
      View Details
    • $24 SF/Yr
      14,392 SF

      Marlborough Retail and Office Space

      Retail and office spaces with great visibility and ample parking.
      530 Boston Post Rd E, Marlborough, MA 01752
      View Details
    • $18 SF/Yr
      210,000 SF

      Post Road Plaza Retail Space

      Marlborough, MA Retail Center - Spaces Available
      222 Main St, Marlborough, MA 01752
      View Details
    • $3,200 /Mo
      1,680 SF

      Versatile Retail/Office Space Available

      Adaptable space suitable for office, retail, or service businesses.
      8 Bridge St, Marlborough, MA 01752
      View Details
    • Contact for pricing
      20,776 SF

      Prime Retail Space Available

      High-visibility retail space in downtown Marlboro with steady foot traffic.
      31 Main St, Marlborough, MA 01752
      View Details
    • $20 SF/Yr
      4,600 SF

      Office/Retail Space on Rt. 20

      4,600 SF office/retail space located just off 495.
      127 Lakeside Ave, Marlborough, MA 01752
      View Details
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    42 Boston Post E Rd
    Marlborough, MA 01752-3500
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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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