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    Well-Maintained Two-Family Property Title is generated by Realmo AI

    28 Platt Street, Waterbury, CT 06704

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    For Sale
    $319,900

    Two-family property with income potential and owner-occupant opportunity.

    Type:2 Family
    Property size:
    2,520 SF
    Price / SF:
    $126/SF
    Added:
    May 15, 2026
    Days on Market:
    17
    Last Refresh:
    May 15 at 9:03 pm

    Property Features for 28 Platt Street

    General Information

    Standard status
    Active
    Size
    2,520 SF
    Property subtype
    2 Family

    Building Details

    Year Built
    1891

    We can help!

    Listing Contact
    Ashley Henry

    Listing agent Ashley Henry

    Listing office The Washington Agency

    Listing date May 15, 2026

    Source Lockandkeyre

    Displayed information is deemed reliable but is not guaranteed and should be independently verified.

    All listing content including descriptions, pricing, images are the copyrighted material of The Washington Agency

    HighLights

    • Strong income potential from two‑family setup, ideal for owner‑occupant.
    • New roof and updated electrical system (2023).
    • First‑floor unit features an updated bathroom, new gas furnace, and tankless hot water system (2023).
    • Second‑floor unit with unique townhouse‑style layout and finished attic space.
    • Detached two‑car garage and ample off‑street parking.
    • Convenient location near shopping, public transportation, schools, parks, recreation, and major highways.

    Overview

    This well-maintained two-family property presents an opportunity for owner-occupancy with income potential. The first-floor unit features five rooms and two bedrooms, with a bathroom updated in 2023. It is heated by a new gas furnace and includes a tankless hot water system, both installed in 2023. The second-floor unit offers six rooms and three bedrooms with a townhouse-style layout, including finished attic space. This unit includes an eat-in kitchen and has an electric hot water tank installed in 2020. The heating system is oil-based, but materials are available to convert to electric. Recent updates include a new roof and an updated electrical system, both completed in 2023. The property also features a clean basement with transferable building and finishing materials, a detached two-car garage, and ample off-street parking. The property is located near shopping, public transportation, schools, parks, recreation, and major highways, making it suitable for investors or owner-occupants seeking long-term value with built-in income. The property size is 2520 square feet.

    Local Financial Insights For Multifamily LT 5

    Simulate Cap Rate and NOI

    NOI Build-Up
    Vacancy
    income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
    EGI (Effective Gross Income)
    gross rent minus vacancy losses — the realistic income before paying operating costs.
    OpEx (Operating Expenses)
    recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
    NOI (Net Operating Income)
    income a property generates after operating costs but before financing and taxes.

    Component $ $/SF
    Gross rent $43.8k $17.40
    − Vacancy −$3.3k −$1.31
    EGI $40.6k $16.10
    − OpEx −$12.2k −$4.83
    NOI $28.4k $11.27
    2,520 SF · lease $17.40/SF/yr · vacancy 7.50% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $405.6K
    $354.9K – $473.2K (±1% cap)
    NOI $28,392 @ 7.0% cap · market cap 8.88%
    Second Best
    Apartment 5plus
    $365.4K
    $319.7K – $426.3K (±1% cap)
    NOI $25,577 @ 7.0% cap · market cap 8.00%
    Theoretical Best
    Office A
    $668.7K
    $585.2K – $780.2K (±1% cap)
    NOI $46,812 @ 7.0% cap · market cap 14.63%
    Zoning and permitted uses should be independently verified with local authorities.
    Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

    Real Estate Agency Restaurant Law Firm Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Waterbury
    County
    New Haven
    State
    Connecticut
    Longitude
    -73.0323097
    Latitude
    41.5658724

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    FAQs

    What type of property is this?
    Duplex - Two-family property with income potential and owner-occupant opportunity.
    Where is this duplex located?
    The property is located at 28 Platt Street Waterbury, CT.
    What is the asking price?
    The asking price for this property is $319,900.
    What are key features of this property?
    This property features: Strong income potential from two‑family setup, ideal for owner‑occupant.; New roof and updated electrical system (2023).; First‑floor unit features an updated bathroom, new gas furnace, and tankless hot water system (2023).
    (860) 776-6515
    We can help!
    Listing Contact
    Ashley Henry
    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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