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

    345 D St South Boston, MA 02127-1294

    • Office buildings
    • 464 SF
    • 0.01 lot acres
    OFF-MARKET
    Value Estimations
    $235,000
    Show details
    Cap Rate Potential
    6.6%
    Office buildings
    Location Intelligence
    Property ID
    US38-2182873
    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

    • Inbound Seller LLC / Business Management Consultant
    • Seaport Crossing Condos / Condominium Complex

    Property Details for 345 D St

    Lot size
    0.01 lot acres
    Property size
    464 SF
    Zone code
    C
    Property type
    Office buildings
    APN
    SBOS W:06 P:01520 S:010
    APU
    SBOSW06P01520S010

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

      Method
      Estimation
      ML approach
      $220,000

    • CAP approach

      CAP Return
      Estimation
      6%
      $245,000
      6.5%
      $225,000
      7%
      $210,000

    • Comparable approach

      Method
      Estimation
      Statistic Estimate
      $268,000
      Market price range: $148k - $481k

    • Alternative Use

      Use
      Estimation
      OFFICE BUILDING
      $285,000
      Current use
      AUTO REPAIR, GARAGE
      $275,000
      Change: -4% Conversion: Difficult
      COMMERCIAL (GENERAL)
      $260,000
      Change: -9% Conversion: Easy
      RETAIL STORES
      $250,000
      Change: -13% Conversion: Moderate

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

    Location Insight

    • Map
    • Local Demand
    City
    South Boston
    County
    Suffolk
    State
    Massachusetts
    Longitude
    -71.0486
    Latitude
    42.3405
    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
    $2,224
    $0.00
    $88,000
    $88,000
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $420,000
      10,130 SF

      436 Dorchester Ave

      OFFICE BUILDING • 10,130 SF
      436 Dorchester Ave, South Boston, MA 02127
      View Details
    • Value Estimation by Request
      10,775 SF

      20 Gillette Park

      OFFICE BUILDING • 10,775 SF
      20 Gillette Park, South Boston, MA 02127
      View Details
    • Value Estimation
      $955,000
      115,650 SF

      24 Damrell St, Unit 34

      OFFICE BUILDING • 115,650 SF
      24 Damrell St, South Boston, MA 02127-2737
      View Details
    • Value Estimation
      $440,000
      13,880 SF

      388 8th St

      OFFICE BUILDING • 13,880 SF
      388 8th St, South Boston, MA 02127-2957
      View Details
    • Value Estimation
      $290,000
      4,480 SF

      555 2nd St

      OFFICE BUILDING • 4,480 SF
      555 2nd St, South Boston, MA 02127-1432
      View Details
    • Value Estimation
      $335,000
      0.16 Acres

      Dorchester Ave

      OFFICE BUILDING • 0.16 Acres
      Dorchester Ave, South Boston, MA 02127
      View Details

    Similar Nearby for Sale

    • $999,000

      Loft Office/Retail Space

      Unique space with exposed brick and high ceilings.
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    • Contact for pricing
      235 SF

      Seaport District Class A Office

      Class A office space available for sublease in the Seaport.
      2 Drydock Ave, Boston, MA 02127
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    • $2,150,000

      South Boston Commercial Condo For Sale

      3,600 SF commercial condo in vibrant South Boston neighborhood.
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    • $825,000

      Retail Condo in New Development

      865 SF retail condo in South Boston for sale.
      267 Old Colony Ave, Boston, MA 02127
      View Details
    • Contact for pricing

      Land for Sale in Boston

      0.694 acres of land available in Boston, MA.
      23-25 Boston St, Boston, MA 02127
      View Details
    • $30,000,000

      South Boston Development Opportunity

      Development site in the heart of South Boston.
      147 West 4Th St, Boston, MA 02127
      View Details

    Similar Nearby for Lease

    • Contact for pricing
      45,672 SF

      Class A Brick & Beam Office

      Standalone office building with parking in the Seaport/South Boston area.
      69 A St, South Boston, MA 02127
      View Details
    • $4,500 /Mo

      Versatile Commercial Space with Luxury Kitchen

      1,600 sq ft commercial space with soaring ceilings and kitchen.
      423 W Broadway 403, Boston, MA 02127
      View Details
    • $45 SF/Yr

      South Boston Office/Retail Space

      Turnkey office/retail/showroom space in South Boston.
      380 West Broadway Retail/Offi, Boston, MA 02127
      View Details
    • Contact for pricing

      Manufacturing/Warehouse Near Andrews Square Station

      Manufacturing or distribution facility near public transportation and major highways.
      24-28 Damrell St, Boston, MA 02127
      View Details
    • $2,400 /Mo

      Customizable Office Space For Lease

      1,200 sq ft customizable office space near T stop.
      339 Dorchester B, Boston, MA 02127
      View Details
    • $1,250 /Mo

      South Boston Private Office Suites

      Two private office suites available in prime South Boston location.
      472 W Broadway 101A-101B, Boston, MA 02127
      View Details
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    345 D St
    South Boston, MA 02127-1294
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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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