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    Williamsville, NY Duplexes for Sale

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    Brick Duplex with Redevelopment Potential
    Updated: Sep 23
    Brick Duplex with Redevelopment Potential

    559 Genesee Street, Buffalo, NY 14204

    $180,000
    4,396 sqft 0.34 AC lot
    4,396‑square‑foot building on a 0.34‑acre parcel
    All‑brick construction dating to 1914
    Fenced lot extends along Davis Street and occupies nearly half a city block
    Blueprints available for proposed conversion into a three‑unit apartment building
    N‑3C zoning with public water service
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    Brick Duplex Property
    Updated: Sep 23
    Brick Duplex Property

    559 Genesee Street, Buffalo, NY 14204

    $180,000
    4,396 sqft 0.34 AC lot
    4,396‑square‑foot duplex property built in 1914
    0.34‑acre combined property with a fenced Davis Street lot
    All‑brick construction with asphalt roof
    Architectural blueprints available for proposed three‑unit conversion
    Three bathrooms and basement included
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    Mixed-Use Storefront with Apartments
    Mixed-Use Storefront with Apartments

    2075 S Park Avenue, Buffalo, NY 14220

    $169,900
    4,650 sqft 0.10 AC lot

    Commercial storefront with two residential apartments and a separately included adjoining lot.

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    Duplex with Two-Story Upper Unit
    Duplex with Two-Story Upper Unit

    66 Ardmore Pl, Buffalo, NY 14213

    $500,000
    3,894 sqft

    The upper residence has a finished third floor with vaulted ceilings, skylights, and a family room.

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    Mixed-Use Property With Storefronts
    Mixed-Use Property With Storefronts

    133 Kingsley Street, Buffalo, NY 14208

    $130,000
    5,765 sqft 0.11 AC lot

    Two commercial storefronts and two residential units create a flexible mixed-use configuration with public utilities.

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    Mixed-Use Building with Storefront
    Mixed-Use Building with Storefront

    2075 S Park Avenue, Buffalo, NY 14220

    $169,900
    4,650 sqft 0.10 AC lot

    Two apartments accompany a commercial storefront in a renovation-ready Buffalo property.

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    Duplex with Covered Porch
    Duplex with Covered Porch

    66 Vernon Place, Buffalo, NY 14214

    $272,500
    2,276 sqft 0.10 AC lot

    Two three-bedroom residences have separate gas and electric meters and individual furnaces.

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    Duplex with Covered Porch
    Duplex with Covered Porch

    66 Vernon Place, Buffalo, NY 14214

    $272,500
    2,200 sqft

    Two three-bedroom units are served by separate gas and electric meters and individual furnaces.

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    Mixed-Use Property with Storefront
    Mixed-Use Property with Storefront

    2966 Bailey Avenue, Buffalo, NY 14215

    $125,000
    4,036 sqft 0.11 AC lot

    Two apartments and street-level commercial space create a mixed-use layout.

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    Two-Unit Duplex with Porches
    Two-Unit Duplex with Porches

    34 Ullman Street, Buffalo, NY 14207

    $165,000
    2,018 sqft 0.08 AC lot

    Both apartments offer three-bedroom layouts, and residents have access to porches, a driveway, and a backyard.

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    Upper-Lower Duplex
    Upper-Lower Duplex

    129 Deerfield Avenue, Buffalo, NY 14215

    $179,900
    2,440 sqft

    Two residential units feature hardwood living and dining rooms, with basement laundry and a full two-car garage.

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    Two-Unit Duplex with Finished Attic
    Two-Unit Duplex with Finished Attic

    182 Brunswick Boulevard, Buffalo, NY 14208

    $199,000
    2,864 sqft 0.09 AC lot

    Two separately configured units include private kitchens, formal living and dining areas, and additional finished attic space.

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    Mixed-Use Building with Commercial Space
    Mixed-Use Building with Commercial Space

    362 Ontario Street, Buffalo, NY 14207

    $187,500
    4,668 sqft 0.18 AC lot

    One apartment is occupied and the other is vacant, alongside an attached area for business use.

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    Duplex with Finished Third-Floor Space
    Duplex with Finished Third-Floor Space

    449 Bird Avenue, Buffalo, NY 14213

    $379,900
    2,688 sqft

    The two-unit property offers updated kitchens, off-street parking, and a finished third-floor bonus area.

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    Two-Unit Duplex with Rooftop Patio
    Two-Unit Duplex with Rooftop Patio

    403 Goethe Street, Buffalo, NY 14212

    $119,999
    1,876 sqft 0.09 AC lot

    Income-producing duplex with separate apartments, updated mechanical systems, and distinct living spaces.

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    Duplex with Updated Upper Unit
    Duplex with Updated Upper Unit

    341 Sundridge Drive, Buffalo, NY 14228

    $335,000
    2,308 sqft 0.19 AC lot

    Two three-bedroom apartments share a full basement, driveway, and outdoor yard area.

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    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    193 14th St, Buffalo, NY 14213

    $379,900
    2,040 sqft

    Updated duplex with separate utilities, private laundry, basement storage, and two off-street parking spaces.

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    Duplex with Two-Car Garage
    Duplex with Two-Car Garage

    19 Tioga Street, Buffalo, NY 14216

    $299,999
    2,256 sqft 0.12 AC lot

    Owner-occupied duplex with independent entrances, a full basement, and a fenced backyard.

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    Renovated Duplex with Full Basement
    Renovated Duplex with Full Basement

    75 Progressive Avenue, Buffalo, NY 14207

    $194,888
    2,110 sqft 0.09 AC lot

    Vacant two-family residence offers separate three-bedroom floors, a fenced backyard and off-street parking.

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    Arts and Crafts Duplex
    Arts and Crafts Duplex

    531 Potomac Avenue, Buffalo, NY 14222

    $375,000
    2,650 sqft 0.07 AC lot

    Two matching residences combine period woodwork with porches at both the front and rear.

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    Updated Duplex with Central Air
    Updated Duplex with Central Air

    312 Sterling Ave, Buffalo, NY 14216

    $379,777
    3,134 sqft

    Two apartments offer generous living areas, refreshed kitchens and baths, sunrooms, and replacement windows.

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    Two-Unit Duplex with Balcony
    Two-Unit Duplex with Balcony

    97 Merrimac Street, Buffalo, NY 14214

    $259,000
    2,250 sqft 0.08 AC lot

    Two apartments provide separate five- and four-bedroom layouts, with additional storage in the attic and basement.

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    Victorian Duplex with Period Detail
    Victorian Duplex with Period Detail

    524 Norwood Ave, Buffalo, NY 14222

    $374,900
    2,908 sqft

    Two-unit residence with private driveway, original architectural features, and layouts suited to rental or owner-occupied use.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    28 California Street, Buffalo, NY 14213

    $390,000
    2,622 sqft 0.08 AC lot

    Both residences feature renovated kitchens, bathrooms, and refreshed interior finishes.

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    Williamsville, NY Duplexes Market Trends and Statistics

    Explore 635 duplexes for sale in Williamsville, NY, showcased through 635 active listings on our real estate platform. These investment opportunities span a total of 1,018,661 square feet of properties for sale, with an estimated market value of $142,702,668.

    Sale prices for two-family homes in Williamsville, NY start at $33,100, averaging $227,233, and reaching up to $869,900 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 2
    Apartment buildings 1

    Demographics Overview

    Population 55K
    Population Growth (5Y) +2.0%
    Median Household Income $101,275
    College Educated 43.6%

    Listings Trend

    New vs delisted commercial listings in Erie County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Erie County

    Retail

    Office

    Residential Income

    Property Size Breakdown

    The majority of commercial real estate listings in Williamsville fall within the 50,000 to 100,000 square foot range.

    How Realmo verifies these figures

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    Most Searched ZIP Codes in Williamsville, NY

    • 14215
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    • 14214
    • 14225
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