$249,900

521 N Walnut St Byron, IL 61010

Estimated payment $1,688/month

-- Bed
-- Bath
3,142 Sq Ft
$80 Price per Sq Ft

Highlights

  • Forced Air Heating and Cooling System
  • Mary Morgan Elementary School Rated A
  • Washer and Dryer

About This Home

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.

Listing Agent

Thomas Holder

Black Castle Properties License #475192978 Listed on: 11/18/2025

Property Details

Home Type

  • Multi-Family

Est. Annual Taxes

  • $4,456

Year Built

  • Built in 1922

Parking

  • Additional Parking

Home Design

  • Shingle Roof
  • Concrete Siding

Interior Spaces

  • 3,142 Sq Ft Home
  • 2-Story Property
  • Basement

Kitchen

  • Oven
  • Stove
  • Range

Laundry

  • Laundry in unit
  • Washer and Dryer

Schools

  • Mary Morgan Elementary School
  • Byron Middle School
  • Byron High School 9-12

Utilities

  • Forced Air Heating and Cooling System
  • Window Unit Cooling System
  • Heating System Uses Gas
  • Heating System Uses Natural Gas
  • Separate Meters
  • Gas Water Heater

Community Details

  • 3 Units
  • 2-Story Building

Property Details

Home Type

Multi-Family

Est. Annual Taxes

$4,456

Year Built

Built in 1922

Lot Details

0

Listing Details

  • Electric: Circuit Breaker
  • Appliances That Stay or Are Included: Dryer, Refrigerator, Stove/Cooktop, Oven, Washer
  • Class: MULTIFAMILY
  • General Features: Additional Parking, Laundry in Unit, Main Floor Primary
  • Legal Description: RNG/BLK: TWP:0 SECT/LOT: W 130FT S 63FT N1/2 BLK 31 CITY BYRON
  • Lvt Date: 11/18/2025
  • Style: 2 Story
  • Type: 3 - 4 Units
  • Maintenance Yr: 500
  • Number Of Floors In Bldg: 2
  • Number Of Tenants In Bldg: 3
  • Number Of Units In Bldg: 3
  • Utilities Yr: 1776
  • Agent Only_ L A1 User Code: 110683
  • Elementary School: Mary Morgan Elementary
  • Estimated Total Finished Sq Ft: 3142
  • Hold Earnest Money Y N: No
  • Pertinent Facts: 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.
  • Designated Managing Broker Y N: No
  • Potential Annual Expenses: 4076
  • Separate Electric: Yes
  • Separate Heat: Yes
  • Separate Water Y N: No
  • Washer Dryer Coin Operated: No
  • Washer Dryer Hookups: Yes
  • Washer Dryer: Yes
  • Estimated Above Grade Sq Ft: 3142
  • Special Features: None
  • Property Sub Type: MultiFamily
  • Stories: 2

Interior Features

  • Basement: Yes

Exterior Features

  • Exterior: Aluminum, Concrete Block
  • Roof: Shingle

Garage/Parking

  • Total Numberof Parking Spaces: 6

Utilities

  • Cooling: Central Air, Window Unit
  • Heating: Forced Air, Natural Gas
  • Sewer: City
  • Water: City
  • Water Heater: Gas
  • Separate Utilities: Yes

Building Info

  • Year Built: 1922

Tax Info

  • Year: 2025
  • Taxes: 4456

MLS Schools

  • HighSchool: Byron High School 9-12
  • School District: Byron 226
  • Middle School: Byron Middle

Map

Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2024 $4,456 $52,267 $4,767 $47,500
2023 $4,189 $49,688 $4,532 $45,156
2022 $3,437 $46,080 $4,203 $41,877
2021 $3,770 $42,689 $4,104 $38,585
2020 $2,712 $32,636 $4,024 $28,612
2019 $2,721 $31,608 $3,897 $27,711
2018 $2,722 $30,792 $3,796 $26,996
2017 $2,693 $30,792 $3,796 $26,996
2016 $2,533 $30,226 $3,726 $26,500
2015 $2,412 $29,260 $3,607 $25,653
2014 $2,381 $29,260 $3,607 $25,653
2013 $2,452 $29,636 $3,653 $25,983
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
11/18/2025 11/18/25 For Sale $249,900 +85.1% $80 / Sq Ft
06/16/2021 06/16/21 Sold $135,000 0.0% $43 / Sq Ft View Prior Sale
03/25/2021 03/25/21 Pending -- -- --
03/25/2021 03/25/21 For Sale $135,000 -- $43 / Sq Ft
Source: NorthWest Illinois Alliance of REALTORS®

Purchase History

Date Type Sale Price Title Company
Warranty Deed $135,000 None Available
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Open $130,494 FHA
Source: Public Records

Source: NorthWest Illinois Alliance of REALTORS®

MLS Number: 202507163

NorthWest Illinois Alliance of REALTORS®

APN: 05-29-355-002