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    Townhouse-Style Duplex With Two 2BR Units Title is generated by Realmo AI

    33-35 St Thomas, Dover, NH 03820

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    For Sale
    $549,000

    MULTI_FAMILY - Other - Dover, NH

    Property size:
    1,572 SF
    Lot size:
    0.08 Acres
    Price / SF:
    $349/SF
    Added:
    May 14, 2026
    Days on Market:
    23
    Last Refresh:
    Jun 5 at 11:06 am

    Property Features for 33-35 St Thomas

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Zoning
    CBD-M
    Rooms
    Basement
    Parking features
    On Street
    Exterior features
    Shed
    Standard status
    Active
    Size
    1,572 SF
    Lot size
    0.08 Acres

    Taxes and HOA fees

    Tax Year
    2026
    Tax Annual Amount
    7413

    Utilities

    Utilities
    Cable Available
    Heating system
    Forced Air
    Water source
    Public

    Building Details

    Year built
    1800
    Floors in Building
    2
    Number of units
    2
    Flooring type
    Combination, Vinyl, Tile - Ceramic, Laminate
    Building materials
    Wood Frame
    Roof type
    Shingle
    Architectural style
    Other

    We can help!

    Listing Contact
    Darlene Colwell-Ellis

    Listing agent Darlene Colwell-Ellis

    Listing office KW Coastal and Lakes & Mountains Realty/Dover 10 Fourth Street, Portsmouth, NH

    Listing date May 14, 2026

    MLS# 5088937 Listing URL

    Copyright © 2026 PrimeMLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Two‑unit duplex with townhouse‑style layouts; both units are 2BR and 1 bath
    • Year built 1800 with wood frame construction and shingle roof
    • Forced‑air heating and public water service; cable available
    • Basement plus exterior shed and a spacious backyard area
    • Unit updates include refreshed flooring and a renovated bathroom with subway tile and modern fixtures
    • Second 2BR unit needs significant updating and renovations

    Overview

    33-35 St Thomas is a two-unit duplex offering two townhouse-style layouts, each with two bedrooms and one bathroom. One unit features updated flooring, refreshed interior finishes, and bright natural light throughout. Its renovated bathroom includes subway tile and modern fixtures, and the kitchen presents a functional layout with ample cabinet space and updated appliances. The upper-level rooms include cozy sloped ceilings and additional versatile living space. The second 2BR unit requires more updating and renovation.

    The property is located in historic downtown Dover, within the CBD-M zoning district. Parking is provided via a driveway with minimal parking. Outside, the duplex offers classic curb appeal, a welcoming front entry, and a relatively spacious backyard for its proximity to downtown.

    This configuration can fit an owner-occupant looking to live in one unit while renovating the other, or a buyer seeking a residential income property with two distinct 2BR/1BA units. For tenants, the townhouse-style plan provides two-bedroom living in separate units, while the shared duplex footprint offers a straightforward ownership structure within downtown Dover.
    Location Intelligence

    Current Use by Public Records

    Duplexes

    Map

    City
    Dover
    County
    Strafford
    State
    New Hampshire
    Longitude
    -70.8769681
    Latitude
    43.1937836

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    FAQs

    What type of property is this?
    Duplex - Two 2BR/1BA townhouse-style units with updated flooring and kitchen space near historic downtown Dover.
    Where is this duplex located?
    The property is located at 33-35 St Thomas Dover, NH.
    What is the asking price?
    The asking price for this property is $549,000.
    What are key features of this property?
    This property features: Two‑unit duplex with townhouse‑style layouts; both units are 2BR and 1 bath; Year built 1800 with wood frame construction and shingle roof; Forced‑air heating and public water service; cable available
    (603) 610-8500
    We can help!
    Listing Contact
    Darlene Colwell-Ellis
    Learn More
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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.

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