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

    21 Main St Old Saybrook, CT 06475-1511

    • Showrooms
    • 2,365 SF
    • 0.21 lot acres
    OFF-MARKET
    Value Estimations
    Cap Rate Potential
    Location Intelligence
    Property ID
    US15-0628659
    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

    • Coldwell Banker Realty - Old Saybrook Office / Real Estate Agency
    • Cheryl Keithan, Coldwell Banker Realty / Real Estate Agency
    • Nick Prevost, Coldwell Banker Realty / Real Estate Agency
    • Brian Beaulieu, Coldwell Banker Realty / Real Estate Agency
    • Katherine Luby - Coldwell Banker Realty / Real Estate Agency

    Property Details for 21 Main St

    Year built
    1900
    Construction
    FRAME
    Lot size
    0.21 lot acres
    Property size
    2,365 SF
    Zone code
    B-1
    Property type
    Showrooms
    APN
    OSAY M:037 B:050 L:
    APU
    OSAYM037B050L

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

    • CAP approach

    • Comparable approach

    • Alternative Use

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

    Location Insight

    • Map
    • Local Demand
    City
    Old Saybrook
    County
    Middlesex
    State
    Connecticut
    Longitude
    -72.3773
    Latitude
    41.2962
    CBSA code
    25540
    CBSA name
    HARTFORD-WEST HARTFORD-EAST HARTFORD, CT 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
    2023
    $5,569
    $138,600
    $133,700
    $272,300
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $2,595,000
      45,402 SF

      1775 Boston Post Rd

      SHOW ROOM, WAREHOUSE • 45,402 SF
      1775 Boston Post Rd, Old Saybrook, CT 06475-1643
      View Details
    • Value Estimation
      $1,885,000
      18,221 SF

      6 Main St

      SHOW ROOM, WAREHOUSE • 18,221 SF
      6 Main St, Old Saybrook, CT 06475
      View Details
    • Value Estimation
      $2,385,000
      44,410 SF

      129 Ml Rock E Rd

      SHOW ROOM, WAREHOUSE • 44,410 SF
      129 Ml Rock E Rd, Old Saybrook, CT 06475-4217
      View Details
    • Value Estimation
      $1,000,000
      8,000 SF

      940 Boston Post Rd

      SHOW ROOM, WAREHOUSE • 8,000 SF
      940 Boston Post Rd, Old Saybrook, CT 06475-2128
      View Details
    • Value Estimation
      $675,000
      4,760 SF

      20 Main St

      SHOW ROOM, WAREHOUSE • 4,760 SF
      20 Main St, Old Saybrook, CT 06475-1510
      View Details
    • Value Estimation by Request
      1,224 SF

      71 Ml Rock E Rd

      SHOW ROOM, WAREHOUSE • 1,224 SF
      71 Ml Rock E Rd, Old Saybrook, CT 06475-4234
      View Details

    Similar Nearby for Sale

    • $650,000
      5,580 SF

      Old Saybrook Mixed-Use Property

      Revamped mixed-use property with residential and commercial spaces.
      725 Boston Post Rd, Old Saybrook, CT 06475
      View Details
    • $525,000
      2,700 SF

      Old Saybrook Mixed-Use Building

      Prime location, high traffic, income potential
      369 Boston Post Rd, Old Saybrook, CT 06475
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    • Contact for pricing
      1,225 SF

      Old Saybrook Retail Center

      Prime Old Saybrook location, multiple units available.
      196 Main St, Old Saybrook, CT 06475
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    • $499,900

      Turn-Key Restaurant Opportunity

      Established restaurant and bar in Old Saybrook for sale.
      254 Main St, Old Saybrook, CT 06475
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    • $850,000

      Land Available For Sale

      Land available for sale in Old Saybrook, Connecticut.
      62-14 Middlesex Tpke, Old Saybrook, CT 06475
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    • $1,075,000

      Saybrook Manor Specialty Property

      Specialty property available for sale in Saybrook Manor, CT.
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    Similar Nearby for Lease

    • $3,000 /Mo
      2,726 SF

      High-Visibility Retail/Office Opportunity

      Retail or office space in high-traffic area, excellent visibility.
      523 Boston Post Road Pl, Old Saybrook, CT 06475
      View Details
    • Contact for pricing
      4,379 SF

      Retail Space on Boston Post

      Retail space in active shoreline community with high visibility.
      907 Boston Post Rd, Old Saybrook, CT 06475
      View Details
    • $1,428 /Mo
      1,225 SF

      Main Street Retail/Office Space

      Ground floor unit suitable for office or retail use.
      265 Main St, Old Saybrook, CT 06475
      View Details
    • Contact for pricing
      4,600 SF

      Versatile Retail/Medical/Restaurant Space Available

      Prime location suitable for retail, medical, or restaurant ventures.
      75 Main St, Old Saybrook, CT 06475
      View Details
    • $24 SF/Yr

      Office and Retail Space Available

      Office and retail spaces for rent on high traffic corridor.
      900 Boston Post Rd, Old Saybrook, CT 06475
      View Details
    • $800 /Mo
      600 SF

      Main Street Retail/Office Space

      600 SF retail/office space in the heart of Old Saybrook.
      265 Main St, Old Saybrook, CT 06475
      View Details

    Property Visit Statistics

    • Visits by month
      18.3k
    • Visitors by month
      11.1k
    • Avg Time on site
      14 min
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    21 Main St
    Old Saybrook, CT 06475-1511
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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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