Williamson County IL FSBO Homes - Page 6 (454)

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We have homes for sale by owner in Williamson County, IL. The median list price in Williamson County, IL is $630,785 and the average price per square foot is $2,135.

Vacant Land For Sale

$15,000

W Patrick Street, Williamson County, IL

Nice large lot perfect for new construction or a multifamily property! mobile/manufactured homes allowed as well.

Homes For Sale

$185,000

3 Bed
1 Bath
1,600 Sqft

204 Bracey Street, Williamson County, IL

No fault of the seller or property. property is active and available! price reduced welcome to 204 bracey... Read More

Homes For Sale

$279,000

3 Bed
2 Bath
1,671 Sqft

3826 Fawn Drive, Williamson County, IL

Enjoy peaceful country living just minutes from town in this 3-bedroom, 2-bath brick home. large lot with a... Read More

Homes For Sale

$245,000

3 Bed
2 Bath
1,750 Sqft
0.25 Acre(Lot)

402 Noah Lane, Williamson County, IL

Beautifully maintained 3 bed , 2 bath home in the established noah's landing subdivision. the versatile neutral... Read More

Active Under Contract

Homes For Sale

$178,000

3 Bed
2 Bath
1,843 Sqft

1701 Julianne Drive, Williamson County, IL

Make this large 3 bed 2 bath home yours! this well cared for home in a desirable neighborhood on a corner lot in... Read More

Active Under Contract

Homes For Sale

$105,000

2 Bed
2 Bath
1,085 Sqft
0.226 Acre(Lot)

614 S Calumet Street, Williamson County, IL

Step into this warm and welcoming 2-bedroom, 2-bath home that’s full of character and comfort. you’ll love the... Read More

Active Under Contract

Homes For Sale

$114,900

3 Bed
2 Bath
1,222 Sqft
0.34 Acre(Lot)

1402 Trout Avenue, Williamson County, IL

Lovingly lived in and cared for by the same owners for the past 32 years, this charming 3 bed, 1.5 bath home is... Read More

Active Under Contract

Homes For Sale

$230,000

3 Bed
2 Bath
1,640 Sqft

12535 Blackberry Hills Lane, Williamson County, IL

Nestled on one acre and set back off the road, this charming 3-bedroom, 1.5-bath home offers privacy and space... Read More

Active Under Contract

Homes For Sale

$169,900

3 Bed
1 Bath
1,176 Sqft
3 Acres(Lot)

12054 Saraville Road, Williamson County, IL

Charming country retreat in crab orchard school district! nestled on 3 acres of peaceful countryside, this... Read More

Active Under Contract

Homes For Sale

$79,900

3 Bed
2 Bath
1,448 Sqft
0.2 Acre(Lot)

622 E Illinois Avenue, Williamson County, IL

Affordable and full of potential, this 3-bedroom, 2-bath home in carterville offers space, comfort, and... Read More

Homes For Sale

$29,900

2 Bed
1 Bath
872 Sqft

728 E Illinois Avenue, Williamson County, IL

This property includes a 30 day first look period for owner occupants and qualifying entities.

Homes For Sale

$364,000

4 Bed
3 Bath
2,600 Sqft

1803 N Dawn Drive, Williamson County, IL

This beautiful 4 bed 2.5 bath home in the desirable morningside subdivision is ready to move in with 2600 sq ft,... Read More

Homes For Sale

$299,900

4 Bed
2 Bath
1,854 Sqft

6005 Chandler Drive, Williamson County, IL

Don't miss this opportunity to make this 4 bedroom 2 bath home yours! great location close to 148/rt 13 in a... Read More

Homes For Sale

$224,900

3 Bed
2 Bath
1,738 Sqft
0.34 Acre(Lot)

100 Stable Drive, Williamson County, IL

Welcome to this capacious 3-bedroom 2-bath home with an attached garage on a corner lot in carterville,... Read More

Homes For Sale

$105,000

3 Bed
1 Bath
1,276 Sqft

710 S Bentley Street, Williamson County, IL

Welcome to your next happy place in the heart of marion! this 3-bedroom, 1-bath home sits proudly on a spacious... Read More

Homes For Sale

$290,900

3 Bed
2 Bath
1,650 Sqft
0.5 Acre(Lot)

109 Brase Street, Williamson County, IL

Welcome to your future home, where country charm meets contemporary comfort! this brand-new construction,... Read More

Homes For Sale

$320,000

3 Bed
2 Bath
1,680 Sqft
1.28 Acres(Lot)

1710 Broeking Road, Williamson County, IL

Back on market, no fault of seller! welcome to your peaceful retreat! this beautifully updated 3-bedroom,... Read More

Homes For Sale

$459,000

5 Bed
4 Bath
3,474 Sqft
1.01 Acre(Lot)

1300 W Brewster Road, Williamson County, IL

Discover a rare opportunity to own this beautifully crafted 5-bedroom, 3.5-bathroom residence, perfectly... Read More

Active Under Contract

Homes For Sale

$22,500

1 Bed
1 Bath
900 Sqft

15321 Cherry Street, Williamson County, IL

This may be the land you are searching for. the lot measures 66x250 feet and is fenced in, featuring a detached... Read More

Active Under Contract

Homes For Sale

$599,000

5 Bed
5 Bath
5,139 Sqft
0.75 Acre(Lot)

504 Arbor Drive, Williamson County, IL

Stunning 5-bedroom home with pool in prime carterville location welcome to this beautifully updated 5-bedroom,... Read More

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Learn More About Williamson County, Illinois

Currently there are 185 homes for sale, 130 vacant land for sale and 8 townhomes for sale in Williamson County

Currently Williamson County has 323 properties on the market for sale. The inventory was last updated 07/23/2025. Of these properties, 185 single family homes are for sale by their owners in Williamson County, and 0 condos are for sale by their owners in Williamson County. The average price of the single family homes for sale in Williamson County, is $301,154, the average condo price in Williamson County, is $291,085. The average price per square foot of the active inventory is $94. This is based the living area square footage.

Over the last year, there have been 0 of properties sold in Williamson County. Of these properties, 0 single family homes have sold by their owners in Williamson County, and 0 condos have sold by their owners in Williamson County. The average sales price of the single family homes sold in Williamson County, is $. Single family homes have been selling for per square foot of living area. The average sales price of the condos for sale in Williamson County, is $. Condos have been selling for per square foot of living area.

If you are thinking of selling your Williamson County home, try our flat fee listing service, Our list fees start at $449, and may save you $15,000 in real estate commissions. Click here to start saving.

Disclaimer: Listing broker has attempted to offer accurate data, but buyers/lessees are advised to confirm all information IDX information is provided exclusively for consumers' personal, non-commercial use that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that data is deemed reliable but is not guaranteed accurate by the MLS. The MLS may, at its discretion, require use of other disclaimers as necessary to protect Participants and/or the MLS from liability.
This data up-to-date as of 07/23/2025

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Williamson County IL FSBO Homes - Page 6 (454)

W Patrick Street, Williamson County, IL

204 Bracey Street, Williamson County, IL

3826 Fawn Drive, Williamson County, IL

402 Noah Lane, Williamson County, IL

1701 Julianne Drive, Williamson County, IL

614 S Calumet Street, Williamson County, IL

1402 Trout Avenue, Williamson County, IL

12535 Blackberry Hills Lane, Williamson County, IL

12054 Saraville Road, Williamson County, IL

622 E Illinois Avenue, Williamson County, IL

728 E Illinois Avenue, Williamson County, IL

1803 N Dawn Drive, Williamson County, IL

6005 Chandler Drive, Williamson County, IL

100 Stable Drive, Williamson County, IL

710 S Bentley Street, Williamson County, IL

109 Brase Street, Williamson County, IL

1710 Broeking Road, Williamson County, IL

1300 W Brewster Road, Williamson County, IL

15321 Cherry Street, Williamson County, IL

504 Arbor Drive, Williamson County, IL

Learn More About Williamson County, Illinois

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