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    Property profile & analytics

    18 Marshall St Norwalk, CT 06854-2237

    • Office buildings
    • 96,571 SF
    • 1.95 lot acres
    OFF-MARKET
    Value Estimations
    $10,470,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US15-0273455
    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

    • MetrixLab / Advertising Agency
    • Advantage Resourcing / Employment Agency
    • Shope Reno Wharton Architecture / Architect
    • Triax Technologies / (Bike/Boat/Book/etc) Store / Corporate Office
    • Blue Black LLC / Advertising Agency / Marketing & Advertising

    Property Details for 18 Marshall St

    Year built
    1883
    Construction
    MASONRY/CONCRETE MASONRY UNITS (CMUS)
    Lot size
    1.95 lot acres
    Property size
    96,571 SF
    Zone code
    RPDD
    Property type
    Office buildings
    APN
    NORW M:2 B:24 L:8
    APU
    NORWM2B24L8

    Value Estimations

    based on Realmo’s proprietary methodology

    • Comparable approach

      Method
      Estimation
      AI Estimate
      $9,554,000
      Market price range: $4.06M - $14.9M

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

    Location Insight

    • Map
    • Local Demand
    City
    Norwalk
    County
    Fairfield
    State
    Connecticut
    Longitude
    -73.4172
    Latitude
    41.1005
    CBSA code
    14860
    CBSA name
    BRIDGEPORT-STAMFORD-NORWALK, 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
    $403,885
    $2,555,300
    $13,544,700
    $16,100,000
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $655,000
      9,265 SF

      123 Cedar St

      OFFICE BUILDING • 9,265 SF
      123 Cedar St, Norwalk, CT 06854-1917
      View Details
    • Value Estimation
      $3,675,000
      141,085 SF

      40 Richards Ave

      OFFICE BUILDING • 141,085 SF
      40 Richards Ave, Norwalk, CT 06854-2319
      View Details
    • Value Estimation
      $1,135,000
      34,867 SF

      17 Washington St

      OFFICE BUILDING • 34,867 SF
      17 Washington St, Norwalk, CT 06854-2719
      View Details
    • Value Estimation
      $530,000
      9,856 SF

      140 Water St

      OFFICE BUILDING • 9,856 SF
      140 Water St, Norwalk, CT 06854-3136
      View Details
    • Value Estimation
      $515,000
      7,240 SF

      4 Duke Pl

      OFFICE BUILDING • 7,240 SF
      4 Duke Pl, Norwalk, CT 06854-4632
      View Details
    • Value Estimation by Request
      6,400 SF

      20 Pne St

      OFFICE BUILDING • 6,400 SF
      20 Pne St, Norwalk, CT 06854
      View Details

    Similar Nearby for Sale

    • Contact for pricing
      22,577 SF

      SoNo Office Building For Sale

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      32 Haviland St, Norwalk, CT 06854
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    • $5,300,000
      34,867 SF

      Norwalk Mixed-Use Commercial Property

      37,000 SF mixed-use property in Norwalk's SoNo district.
      17 Washington St, Norwalk, CT 06854
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    • Contact for pricing
      2,900 SF

      Architecturally Significant South Norwalk Building

      Flexible building in South Norwalk for office, retail, or residential.
      10 Marshall St, Norwalk, CT 06854
      View Details
    • $5,250,000
      19,419 SF

      Norwalk Industrial Property

      19,419 SF Warehouse/Distribution
      231 Wilson Ave, Norwalk, CT 06854
      View Details
    • $399,000
      1,168 SF

      Norwalk Multifamily Investment Opportunity

      Two-family property near downtown SoNo with investment potential.
      32 Lincoln Avenue Ext, Norwalk, CT 06854
      View Details
    • $5,000,000

      Retail Property in South Norwalk

      Retail property in high-traffic area of South Norwalk.
      9-15 Washington St, Norwalk, CT 06854
      View Details

    Similar Nearby for Lease

    • $24 SF/Yr
      124,336 SF

      Norwalk Class A Office Space

      Renovated office building with premium amenities and flexible configurations.
      200 Connecticut Ave, Norwalk, CT 06854
      View Details
    • $25 SF/Yr
      9,669 SF

      SoNo Central Creative Office Suites

      Prime Norwalk, CT Office & Retail Space
      8 Monroe St, Norwalk, CT 06854
      View Details
    • $29 SF/Yr
      6,600 SF

      99 Washington St Office Space

      Prime SoNo Office: 6,600 SF Available
      99 Washington St, Norwalk, CT 06854
      View Details
    • $4,500 /Mo

      Renovated SONO Live/Work Space

      Historically renovated live/work space in the heart of SONO.
      70 South Main St, Norwalk, CT 06854
      View Details
    • $25 SF/Yr
      97,000 SF

      SoNo Square Executive Offices

      Prime South Norwalk Office Suites
      22 Elizabeth St, Norwalk, CT 06854
      View Details
    • Contact for pricing
      2,500 SF

      Norwalk Office Space For Rent

      Office space available in Norwalk, Connecticut, with covered parking.
      132 Water St, Norwalk, CT 06854
      View Details
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    18 Marshall St
    Norwalk, CT 06854-2237
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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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