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    Property profile & analytics

    21 Grand St Somersworth, NH 03878-2634

    • Specialty properties
    • 7,771 SF
    • 0.32 lot acres
    OFF-MARKET
    Value Estimations
    Cap Rate Potential
    Location Intelligence
    Property ID
    US58-0528438
    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

    • Lydia's House of Hope / Nursing Home / Social Service Agency

    Property Details for 21 Grand St

    Year built
    1853
    Construction
    FRAME
    Lot size
    0.32 lot acres
    Property size
    7,771 SF
    Zone code
    HMD
    Property type
    Specialty properties
    APN
    SMSW M:11 B:17 L:0
    APU
    SMSWM11B17L0

    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
    Somersworth
    County
    Strafford
    State
    New Hampshire
    Longitude
    -70.8682
    Latitude
    43.2616
    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
    2017
    $10,900
    $37,700
    $326,100
    $363,800
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $760,000
      13,060 SF

      35 Bartlett Ave

      CHARITABLE ORGANIZATION • 13,060 SF
      35 Bartlett Ave, Somersworth, NH 03878-1816
      View Details
    • Value Estimation
      $2,275,000
      32,829 SF

      311 Rte 108

      CHARITABLE ORGANIZATION • 32,829 SF
      311 Rte 108, Somersworth, NH 03878-1522
      View Details
    • Value Estimation by Request
      1,248 SF

      643 Sherwood Gln

      CHARITABLE ORGANIZATION • 1,248 SF
      643 Sherwood Gln, Somersworth, NH 03878-1576
      View Details
    • Value Estimation by Request
      2,762 SF

      45 Washington St

      CHARITABLE ORGANIZATION • 2,762 SF
      45 Washington St, Somersworth, NH 03878
      View Details
    • Value Estimation by Request
      0.23 Acres

      41 High St

      CHARITABLE ORGANIZATION • 0.23 Acres
      41 High St, Somersworth, NH 03878
      View Details
    • Value Estimation by Request
      0.60 Acres

      317 Main St

      CHARITABLE ORGANIZATION • 0.60 Acres
      317 Main St, Somersworth, NH 03878-3023
      View Details

    Similar Nearby for Sale

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      Somersworth Specialty Property Available

      Specialty property for sale in Somersworth, New Hampshire.
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    • $399,900

      Former National Guard Armory

      Unique property with three buildings on 7.28 acres.
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    • $445,000
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      Somersworth Land Approved for Development

      Developable land approved for a 4,500 SF building footprint.
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    • $400,000
      0.28 Acres

      Somersworth Mixed-Use Development Opportunity

      Gutted building ready for transformation into a mixed-use property.
      25 High St, Somersworth, NH 03878
      View Details
    • $400,000
      3,640 SF

      Somersworth Mixed-Use Development Opportunity

      Gutted building ready for transformation into a mixed-use property.
      25 High St, Somersworth, NH 03878
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    • $1,350,000

      Prime Somersworth Retail/Commercial Land

      4.35 acres on Route 108 with high visibility.
      162 Nh Rte, Somersworth, NH 03878
      View Details

    Similar Nearby for Lease

    • $18 SF/Yr
      28,626 SF

      Somersworth Medical Office Space

      28,626 SF Medical Office Building, NH Seacoast
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      View Details
    • $12 SF/Yr
      19,360 SF

      Industrial Space with Shared Loading

      Industrial and warehouse space for lease with flexible terms.
      45 Centre Rd, Somersworth, NH 03878
      View Details
    • Contact for pricing
      11,180 SF

      Retail Space with Drive-Through Potential

      Retail space available for lease with drive-through opportunity.
      341 High St, Somersworth, NH 03878
      View Details
    • $20 SF/Yr
      7,524 SF

      Modern Office Space in Somersworth

      Prime Somersworth location with flexible floor plans and ample parking.
      10 Andrews Rd, Somersworth, NH 03878
      View Details
    • $16 SF/Yr
      40,000 SF

      Route 108 Somersworth Flex Space

      New Construction Flex Space, 3 Buildings
      187 Nh-108, Somersworth, NH 03878
      View Details
    • Contact for pricing
      26,400 SF

      Somersworth Ground Lease Opportunity

      Ground lease opportunity in Somersworth for retail, industrial, mixed-use development.
      445 High St, Somersworth, NH 03878
      View Details
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    21 Grand St
    Somersworth, NH 03878-2634
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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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