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    Property profile & analytics

    105 Market St Portsmouth, NH 03801-3703

    • Investment properties
    • 6,460 SF
    • 0.03 lot acres
    OFF-MARKET
    Value Estimation
    $2,825,000
    Last Sale
    Aug 31, 2021
    $2,500,000
    Location Intelligence
    Property ID
    US58-0521515
    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

    • Thanas Galleries / Art Gallery / Antique Store

    Property Details for 105 Market St

    Year built
    1805
    Construction
    FRAME
    Lot size
    0.03 lot acres
    Property size
    6,460 SF
    Zone code
    CD5
    Property type
    Investment properties
    Property subtype
    Live-work space
    APN
    PRSM M:0106 B:0040 L:
    APU
    PRSMM0106B0040L

    Value Estimation

    by Realmo proprietary methodology Last update: July 3, 2025

    • AI approach

      CAP return
      Estimation
      Estimation
      $2,970,000

    • CAP approach

      CAP return
      Estimation
      6%
      $2,360,000
      6.5%
      $2,370,000
      7%
      $2,330,000

    • Comparable approach

      Method
      Estimation
      Relative Method
      $2,170,000
      Geo Method
      $2,645,000

    • Alternative Use

      Use
      Estimation
      Distribution
      $3,020,000
      Retail
      $2,590,000
      Mixed-Use
      $2,515,000
      Hospitality
      $2,190,000
      Educational
      $2,855,000
      Residential Income
      $2,295,000
      Energy
      $2,470,000
      Income-Based Land
      $2,435,000
      Food Service
      $2,755,000

    Location Insight

    • Map
    • Local Demand
    City
    Portsmouth
    County
    Rockingham
    State
    New Hampshire
    Longitude
    -70.7576
    Latitude
    43.0786
    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
    2023
    $21,819
    $523,700
    $829,000
    $1,352,700
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation by Request
      2,478 SF

      96 Brg St

      OFFICE/RESIDENTIAL (MIXED USE) • 2,478 SF
      96 Brg St, Portsmouth, NH 03801-3904
      View Details
    • Value Estimation by Request
      4,220 SF

      684 State St

      OFFICE/RESIDENTIAL (MIXED USE) • 4,220 SF
      684 State St, Portsmouth, NH 03801-4329
      View Details
    • Value Estimation by Request
      4,761 SF

      303 Islington St

      OFFICE/RESIDENTIAL (MIXED USE) • 4,761 SF
      303 Islington St, Portsmouth, NH 03801-8220
      View Details
    • Value Estimation by Request
      4,014 SF

      154 Fleet St

      OFFICE/RESIDENTIAL (MIXED USE) • 4,014 SF
      154 Fleet St, Portsmouth, NH 03801-4021
      View Details
    • Value Estimation by Request
      2,409 SF

      108 Penhallow St

      OFFICE/RESIDENTIAL (MIXED USE) • 2,409 SF
      108 Penhallow St, Portsmouth, NH 03801-3833
      View Details
    • Value Estimation by Request
      3,179 SF

      136 State St

      OFFICE/RESIDENTIAL (MIXED USE) • 3,179 SF
      136 State St, Portsmouth, NH 03801-3826
      View Details

    Similar Nearby for Sale

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      0.20 Acres

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      Mixed-use development opportunity in the heart of Portsmouth, New Hampshire.
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      Historic Portsmouth Mixed-Use Gem

      Iconic mixed-use property in the heart of Portsmouth, New Hampshire.
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      Prime Location, Two Vacant Units
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      Waterfront mixed-use property near downtown Portsmouth, offering versatile development opportunities.
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      Historic Mixed-Use Portsmouth Gem

      Historic Portsmouth mixed-use property with commercial and residential spaces.
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    Similar Nearby for Lease

    • $14 SF/Yr
      1,290 SF

      Portsmouth Office Space Available

      Office space available for lease in Portsmouth, New Hampshire.
      1 Cate St, Portsmouth, NH 03801
      View Details
    • Contact for pricing

      Retail Space in Portsmouth, NH

      In-line retail space available in a busy shopping center.
      1465 Woodbury Ave, Portsmouth, NH 03801
      View Details
    • $22 SF/Yr

      Downtown Portsmouth Office Space Available

      Second-floor office space in downtown Portsmouth's Vaughan Mall.
      10 Vaughan Mall St, Portsmouth, NH 03801
      View Details
    • $18 SF/Yr

      Downtown Portsmouth Office Space Available

      Second-floor office space in downtown Portsmouth's Vaughan Mall.
      10 Vaughan Mall St, Portsmouth, NH 03801
      View Details
    • $22 SF/Yr

      Downtown Portsmouth Office Space Available

      Second-floor office space for rent in Vaughan Mall.
      10 Vaughan Mall St, Portsmouth, NH 03801
      View Details
    • $10 SF/Yr
      8,202 SF

      Portsmouth Office Space For Lease

      8,202 SF Office, Prime Location
      500 Maplewood Ave, Portsmouth, NH 03801
      View Details
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    105 Market St
    Portsmouth, NH 03801-3703
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    Realmo Value Estimation

    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.

    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.

    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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