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For sale
  • $449,900

    628 Walnut St, Osage, IA 50461

    5beds
    3baths
    4,263sqft
    : 
    Single Family Residence
    Built in 1871
    0.83 Acres Lot
    $428,500 Zestimate®
    $106/sqft
    $-- HOA

    What's special

    Formal dining roomTwo-story brick homeBeautiful natural woodworkSpacious in-town lotRich wood floorsTimeless character throughoutCozy den
    Welcome to this stunning two-story brick home with a rare opportunity to own a truly grand property on a spacious in-town lot. With over 4,200 finished sqft, this impressive residence offers 5 total bedrooms, and 4.75 bathrooms, including a primary suite with a full bath and its own enclosed porch. You will immediately appreciate the timeless character throughout, highlighted by beautiful natural woodwork and rich wood floors. The main floor features a large living room, a cozy den, and a formal dining room complemented by a classic butler’s pantry. Outside you will love the oversized 3-stall detached garage, a large yard with decorative but functional fence, a pergola just off the pool room, and a large wrap around enclosed porch. A unique and favorite feature is the in-ground pool with a heated enclosure. This one-of-a-kind property combines space, craftsmanship, and amenities rarely found together. A true statement home with room to live, entertain, and enjoy for years to come.
    21 days
    |
    3,204
    |
    154
    |

    Zillow last checked: 7 hours ago

    Listing updated: March 02, 2026 at 01:09pm

    Listed by:

    RYAN KETELSEN 641-832-0731,

    Century 21 Preferred

    Source: Greater Mason BOR,MLS#: 260117MLS Logo

    Tour with a local agent

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 3
      • Main level bathrooms: 1
      Bedroom 1
      • Description: Mstr w/ bath & porch
      • Level: Upper
      • Area: 232.5
      • Dimensions: 15 x 15.5
      Bedroom 2
      • Level: Upper
      • Area: 155
      • Dimensions: 15.5 x 10
      Bedroom 3
      • Level: Upper
      • Area: 141.75
      • Dimensions: 10.5 x 13.5
      Bedroom 4
      • Level: Upper
      • Area: 189.75
      • Dimensions: 16.5 x 11.5
      Primary bathroom
      • Features: Master Bath, Master Bath Shower, Master Bath Tub
      Bathroom 1
      • Features: Shower, Tub
      Dining room
      • Features: Formal Dining
      • Level: Main
      • Area: 289
      • Dimensions: 17 x 17
      Family room
      • Description: East Living Room
      • Level: Main
      • Area: 209.25
      • Dimensions: 13.5 x 15.5
      Kitchen
      • Level: Main
      • Area: 221
      • Dimensions: 17 x 13
      Living room
      • Description: West LR w/ Fireplace
      • Level: Main
      • Area: 283.5
      • Dimensions: 13.5 x 21
      Heating
      • Forced Air, Natural Gas, Hot Water
      Cooling
      • Central Air, Wall Unit(s), Window Unit(s)
      Appliances
      • Included: Appliances Negotiable, Dishwasher, Gas Range, Microwave, Pantry, Refrigerator, Washer/Dryer, Water Softener Owned
      Features
      • Natural Wood, Open Staircase
      • Flooring: Wood
      • Basement: Full
      • Has fireplace: Yes
      • Fireplace features: Two or More, Insert
      Interior area
      • Total structure area: 6,369
      • Total interior livable area: 4,263 sqft

      Property

      Parking
      • Total spaces: 3
      • Parking features: Detached, Oversized, Concrete
      • Garage spaces: 3
      Features
      • Levels: Two
      • Patio & porch: Patio
      • Exterior features: Sidewalks
      • Pool features: In Ground
      • Fencing: Fenced
      Lot
      • Size: 0.83 Acres
      • Dimensions: 165 x 218
      Details
      • Parcel number: 1023485003
      • Zoning description: RG/GENERAL RES

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Brick
      • Foundation: Stone
      • Roof: Asphalt
      Condition
      • New construction: No
      • Year built: 1871

      Utilities & green energy

      • Sewer: CITY
      • Water: Public

      Community & HOA

      Community
      • Subdivision: IA
      Location
      • Region: Osage

      Financial & listing details

      • Price per square foot: $106/sqft
      • Tax assessed value: $248,630
      • Annual tax amount: $3,561
      • Date on market: 3/2/2026
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        Estimated market value

        $428,500

        $407,000 - $450,000

        $2,975/mo

        Price history

        Price history
        DateEventPrice
        3/2/2026Listed for sale$449,900$106/sqft
        Source: Greater Mason BOR #260117 Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2024$3,288 -3.6%$236,380
        2023$3,410 +3.3%$236,380 +22.6%
        2022$3,300 -11.1%$192,790
        2021$3,710 $192,790 -7.6%
        2020-- $208,620 -6.1%
        2019-- $222,100 +5.1%
        2018$3,778 $211,260 +5.8%
        2017$3,778 +4.5%$199,730
        2016$3,616 $199,730
        2015$3,616 +5.3%$199,730
        2014$3,434 +1%$199,730
        2013$3,400 -3%--
        2012$3,504 +3.9%--
        2011$3,372 +1.2%--
        2010$3,332 +16.9%--
        2009$2,850 +2.3%--
        2008$2,786 +8.5%--
        2007$2,568 +1.7%--
        2005$2,526 --

        Find assessor info on the county website

        BuyAbility℠ payment

        Est. payment
        $2,755/mo
        Principal & interest
        $2320
        Property taxes
        $435
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          Climate risks

          Neighborhood: 50461

          Getting around

          71 / 100
          Very Walkable
          62 / 100
          Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • District: Osage

          Source: Greater Mason BOR. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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