Skip main navigation
Sold for $240,000
  • $240,000

    521 N Walnut St, Byron, IL 61010

    --beds
    --baths
    3,142sqft
    3 - 4 Units
    Built in 1922
    -- sqft lot
    $253,400 Zestimate®
    $76/sqft
    $1,231 Estimated rent

    Home value

    $253,400

    $210,000 - $307,000

    $1,231/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $1,231/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $1,231/mo

    Rent Zestimate®

    Refinance and save

    $1,759/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $1,759/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    Beautifully Updated Triplex in the Heart of Byron, IL — Strong Income & Turnkey Condition Discover an exceptional investment opportunity in Byron, Illinois with this nicely redone 3-unit triplex, perfect for both seasoned investors and owner-occupants. This well-maintained property offers immediate cash flow with a monthly rental income of $2,650, plus the option to live in one unit while the other two help cover your mortgage. Major updates provide peace of mind, including a newer roof (3 years old), central air conditioning unit (3 years old), and a recently rebuilt exterior stairwell (4 months old). Inside, each unit has been thoughtfully refreshed, making the property appealing to tenants and ready for long-term stability. Two units are secured with leases through July 2026, while the third is on a month-to-month lease—offering excellent flexibility for a potential owner-occupant. Tenants are responsible for all utilities except water and trash, keeping operating expenses low. Located in desirable Byron, IL, this property benefits from a welcoming community, strong rental demand, and convenient access to local amenities. Whether you're expanding your portfolio or looking for a smart way to live affordably, this Byron triplex is an outstanding opportunity.

    Zillow last checked:

    Listing updated:

    Listed by:

    Thomas Holder 815-222-3403,

    Black Castle Properties

    Bought with:

    Veronica Ortega, 475173646

    Re/Max Property Source

    Source: NorthWest Illinois Alliance of REALTORS®,MLS#: 202507163MLS Logo

    Facts & features

    Interior

    Heating
    • Forced Air, Natural Gas
    Cooling
    • Central Air, Window Unit(s)
    Appliances
    • Included: Dryer, Refrigerator, Stove/Cooktop, Oven, Washer, Gas Water Heater
    • Laundry: In Unit
    Features
    • Has basement: Yes
    Interior area
    • Total structure area: 3,142
    • Total interior livable area: 3,142 sqft
    • Finished area above ground: 3,142
    • Finished area below ground: 0

    Property

    Parking
    • Total spaces: 6
    • Parking features: Additional Parking
    • Garage spaces: 2
    Features
    • Levels: Two
    • Stories: 2
    Details
    • Parcel number: 0529355002

    Construction

    Type & style
    • Home type: MultiFamily
    • Property subtype: 3 - 4 Units
    Materials
    • Aluminum, Concrete Block
    • Roof: Shingle
    Condition
    • Year built: 1922

    Utilities & green energy

    • Electric: Circuit Breakers
    • Sewer: City
    • Water: City
    • Utilities for property: Separate Utilities

    Community & neighborhood

    Location
    • Region: Byron
    • Subdivision: IL

    Other

    Other facts
    • Price range: $240K - $240K

    Price history

    DateEventPrice
    1/6/2026Sold$240,000-4%$76/sqft
    Source: NorthWest Illinois Alliance of REALTORS® #202507163 Report a problem
    11/26/2025Pending sale$249,900$80/sqft
    Source: NorthWest Illinois Alliance of REALTORS® #202507163 Report a problem
    11/18/2025Listed for sale$249,900+85.1%$80/sqft
    Source: NorthWest Illinois Alliance of REALTORS® #202507163 Report a problem
    6/29/2021Sold$135,000$43/sqft
    Source: Public Record Report a problem
    3/25/2021Pending sale$135,000$43/sqft
    Source: NorthWest Illinois Alliance of REALTORS® #202101007 Report a problem
    3/25/2021Listed for sale$135,000$43/sqft
    Source: NorthWest Illinois Alliance of REALTORS® #202101007 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2024$4,456 +6.4%$52,267 +5.2%
    2023$4,189 +21.9%$49,688 +7.8%
    2022$3,437 -8.8%$46,080 +7.9%
    2021$3,770 +39%$42,689 +30.8%
    2020$2,712 -0.4%$32,636 +6%
    2018$2,722 +1.1%$30,792
    2017$2,693 +8.6%$30,792 +1.9%
    2016$2,480 +2.8%$30,226 +3.3%
    2015$2,412 +1.3%$29,260
    2014$2,381 -2.9%$29,260 -1.3%
    2013$2,452 $29,636 -3.8%
    2012-- $30,820 -4.1%
    2011-- $32,137 +11.2%
    2010-- $28,907
    2009-- $28,907
    2008$2,237 -0.5%$28,907 +2.6%
    2007$2,249 $28,174

    Find assessor info on the county website

    Neighborhood: 61010

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Mary Morgan Elementary
    • Middle: Byron Middle
    • High: Byron High School 9-12
    • District: Byron 226

    Source: NorthWest Illinois Alliance of REALTORS®. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

    Get pre-qualified for a loan
    At Zillow Home Loans, we can pre-qualify you in as little as 5 minutes with no impact to your credit score.

    An equal housing lender. NMLS #10287.

    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
    $253,400
    2% more
    +$5,068
    With Zillow Showcase(estimated)
    $258,468