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    Property profile & analytics

    3291 Main St Barnstable, MA 02630-1105

    • Office buildings
    • 3,311 SF
    • 0.69 lot acres
    OFF-MARKET
    Value Estimations
    $970,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US38-0224606
    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

    • Alva Anthony / Law Firm
    • Mycock Fredrick C / Law Firm
    • Connors James P / Physician
    • Zevitas George T / Law Firm
    • Peterson Christie J / Law Firm

    Property Details for 3291 Main St

    Year built
    1800
    Construction
    FRAME
    Lot size
    0.69 lot acres
    Property size
    3,311 SF
    Zone code
    VB-A;R
    Property type
    Office buildings
    APN
    BARN M:299 L:015
    APU
    BARNM299L015

    Value Estimations

    based on Realmo’s proprietary methodology

    • CAP approach

      CAP Return
      Estimation
      6%
      $1,240,000
      6.5%
      $1,140,000
      7%
      $1,060,000

    • Comparable approach

      Method
      Estimation
      Statistic Estimate
      $840,000
      Market price range: $427k - $1.14M
      AI Estimate
      $934,000
      Market price range: $266k - $1.49M

    • Alternative Use

      Use
      Estimation
      OFFICE BUILDING
      $745,000
      Current use
      COMMERCIAL (GENERAL)
      $965,000
      Change: +29% Conversion: Easy
      RETAIL STORES
      $750,000
      Change: +0% Conversion: Moderate

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

    Location Insight

    • Map
    • Local Demand
    City
    Barnstable
    County
    Barnstable
    State
    Massachusetts
    Longitude
    -70.3014
    Latitude
    41.7003
    CBSA code
    12700
    CBSA name
    BARNSTABLE TOWN, MA 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
    $6,773
    $485,600
    $357,900
    $843,500
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $905,000
      2,480 SF

      3166 Main St

      OFFICE BUILDING • 2,480 SF
      3166 Main St, Barnstable, MA 02630-1107
      View Details
    • Value Estimation
      $1,945,000
      6,496 SF

      3231 Main St

      OFFICE BUILDING • 6,496 SF
      3231 Main St, Barnstable, MA 02630-1105
      View Details
    • Value Estimation
      $1,530,000
      8,489 SF

      3010 Main St

      OFFICE BUILDING • 8,489 SF
      3010 Main St, Barnstable, MA 02630-1130
      View Details
    • Value Estimation by Request
      768 SF

      3252 Main St

      OFFICE BUILDING • 768 SF
      3252 Main St, Barnstable, MA 02630-1109
      View Details
    • Value Estimation
      $1,640,000
      5,139 SF

      3239 Main St

      OFFICE BUILDING • 5,139 SF
      3239 Main St, Barnstable, MA 02630-1105
      View Details
    • Value Estimation
      $600,000
      1,005 SF

      3256 Main St

      OFFICE BUILDING • 1,005 SF
      3256 Main St, Barnstable, MA 02630
      View Details

    Similar Nearby for Sale

    • Contact for pricing
      1,500 SF

      Retail Unit in Hyannis Plaza

      Retail space featuring an open floor plan and ample parking.
      317 Falmouth, Barnstable, MA 02630
      View Details
    • $1,150,000
      6.24 Acres

      Barnstable Land with Development Potential

      Vacant land parcel suitable for residential or business ventures.
      Ln Phinney's, Barnstable, MA 02630
      View Details
    • $649,000
      Pending

      Barnstable Land Approved for Development

      3.95-acre parcel with approved plans for 14 residential units.
      900 Old Stage Rd, Barnstable, MA 02630
      View Details
    • $1,150,000

      Vacant Land at Intersection

      Vacant parcel in rapidly growing area with endless possibilities.
      Barnstable, MA 02630
      View Details
    • New
      $250,000
      1.29 Acres

      Barnstable Land For Sale

      Vacant land parcel suitable for residential or business ventures.
      210 Attucks Ln, Barnstable, MA 02630
      View Details
    • $479,900
      1.09 Acres

      Residential Land on Golf Course

      Oversized 1.09 acre lot on Cummaquid Golf Course.
      44 Iris Ln, Barnstable, MA 02630
      View Details

    Similar Nearby for Lease

    • $84 SF/Yr
      4,004 SF

      Prime Office Space in Hyannis

      Professional office space for lease in downtown Hyannis.
      33 Bassett Ln, Barnstable, MA 02630
      View Details
    • $0.10 SF/Yr
      2,189 SF

      Centerville Office Space For Lease

      Prime location, 2189 sq ft, single tenant.
      889 Main St, Barnstable, MA 02630
      View Details
    • $2,438 /Mo
      1,500 SF

      Retail Unit in Hyannis Plaza

      Retail space for lease in Hyannis Plaza, Barnstable, MA.
      317 Falmouth Rd, Barnstable, MA 02630
      View Details
    • $33 SF/Yr
      4,533 SF

      New Retail/Restaurant Space Available

      New construction retail/restaurant space at Staples Plaza in Hyannis.
      378B Barnstable Rd, Barnstable, MA 02630
      View Details
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    3291 Main St
    Barnstable, MA 02630-1105
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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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