Cool Valley, MO Homes for Sale

Cool Valley (St. Louis County, MO) has 7 homes for sale on the MLS right now, at a median list price of $117,000. 11 homes sold here in the last 12 months at a median of $110,000.

Measured from MARIS MLS listings · updated November 10, 2026

Cool Valley housing market at a glance

7homes for sale now
$117,000median list price
$111median list price per sq ft
15median days on market (active)
4new listings in the last 30 days
1under contract or pending
11sold in the last 12 months
$110,000median sale price, last 12 months

Homes that sold in Cool Valley in the last year went for a median of $100 per square foot. They took a median of 53 days to sell.

Homes for sale in Cool Valley by price

Under $200K (7) $200K to $350K (0) $350K to $500K (0) $500K to $750K (0) $750K and up (0)

See all 7 homes for sale in Cool Valley →

Newest listings in Cool Valley

1146 Haley Avenue, Cool Valley, MO, 63121
Active
MLS#26069337

$129,000

1146 Haley Avenue, Cool Valley, MO, 63121

  • 3 Bed

  • 2 Bath

  • 1,196 Sqft

This 3bd, 2ba home offers excellent potential for a first time homebuyer or a new and/or seasoned real estate investor seeking to add to their portfolio. Previo...

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4708 N Hills Lane, Cool Valley, MO, 63121
Active
MLS#26069297

$99,900

4708 N Hills Lane, Cool Valley, MO, 63121

  • 3 Bed

  • 1 Bath

  • 913 Sqft

Build your rental portfolio with in-place income at N. Hills Ln. Currently renting for $1,167 per month, this tenant-occupied property offers $14,004 in schedul...

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153 Signal Hill Drive, Cool Valley, MO, 63121
Active
MLS#26065200

$155,000

153 Signal Hill Drive, Cool Valley, MO, 63121

  • 3 Bed

  • 1 Bath

  • 1,210 Sqft

Exceptional updates and single level convenience shine throughout this move in ready St. Louis, MO ranch! The bright main living space welcomes you inside with...

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1321 Weleba Avenue, Cool Valley, MO, 63121
Active
MLS#26065731

$159,900

1321 Weleba Avenue, Cool Valley, MO, 63121

  • 2 Bed

  • 2 Bath

  • 1,054 Sqft

Completely Updated and Move-In Ready! This beautiful home features 2 bedrooms, 2 full bathrooms, and an inviting open-concept layout connecting the living room,...

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8400 Evans Avenue, Cool Valley, MO, 63121
Active
MLS#26063088

$117,000

8400 Evans Avenue, Cool Valley, MO, 63121

  • 3 Bed

  • 1 Bath

  • 1,056 Sqft

Welcome to a beautifully renovated 3-bedroom, 1.5-bath home designed for comfortable living, entertaining, and making lasting memories. Thoughtfully updated thr...

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116 Bernhardt Avenue, Cool Valley, MO, 63121
Active
MLS#26048951

$96,000

116 Bernhardt Avenue, Cool Valley, MO, 63121

  • 2 Bed

  • 1 Bath

  • 837 Sqft

This is an amazing opportunity for first time home buyers, investors looking for immediate rental income or someone looking to downsize. This home has a newly r...

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1126 Haley Avenue, Cool Valley, MO, 63121
Active
MLS#26043565

$79,900

1126 Haley Avenue, Cool Valley, MO, 63121

  • 3 Bed

  • 2 Bath

  • 1,196 Sqft

Welcome to this charming single-story home offering a comfortable layout with 3 bedrooms and 1.5 full bathroom. Inside, you'll find bright living spaces complem...

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What is for sale in Cool Valley

Of the homes for sale now: 100% single family residence.

By bedrooms: 2 bedrooms 2; 3 bedrooms 5; .

The median home for sale here was built in 1951 and has about 1,056 finished square feet above grade.

School districts on Cool Valley listings

School districts named on homes for sale in Cool Valley right now, with how many listings name each:

Ferguson-Florissant R-II (7)

From MLS listing data. Boundaries can change; confirm with the district for a specific address.

Subdivisions with homes for sale in Cool Valley

Cool Brook Hills (2)Home Crest (2)La Paloma Terrace (1)Ferguson Gardens (1)Prince Charles Park 3 (1)

Cool Valley ZIP codes

63121 homes for sale

More communities in St. Louis County, MO

Florissant (330 for sale)Ballwin (92 for sale)Chesterfield (118 for sale)Wildwood (76 for sale)University City (75 for sale)Kirkwood (74 for sale)Maryland Heights (52 for sale)Webster Groves (34 for sale)Creve Coeur (53 for sale)Hazelwood (65 for sale)Ferguson (88 for sale)Fenton (23 for sale)Clayton (50 for sale)Brentwood (59 for sale)Overland (40 for sale)Manchester (26 for sale)

All St. Louis County, MO homes for sale · Every St. Louis area community

Cool Valley real estate questions

What is the median list price of homes for sale in Cool Valley, MO?

The median list price of the 7 homes for sale in Cool Valley is $117,000, or about $111 per square foot, based on MLS listings as of November 10, 2026.

What did homes sell for in Cool Valley, MO in the last year?

11 homes sold in Cool Valley in the last 12 months. The median sale price reported to the MLS was $110,000.

How long are homes in Cool Valley, MO on the market?

Active listings in Cool Valley have been on the market a median of 15 days, and homes that sold in the last 12 months took a median of 53 days.

What school districts are homes for sale in Cool Valley, MO in?

Current Cool Valley listings name these school districts: Ferguson-Florissant R-II. Confirm boundaries with the district for a specific address.

Own a home in Cool Valley?

See what it could sell for, with the recent sales behind the number.

What’s my home worth? Off-market & sold homes

Statistics cover residential listings in MARIS MLS, computed November 10, 2026. Sale prices are as reported to the MLS. Listing data is deemed reliable but is not guaranteed. StLouisRealEstate.com is operated by Guerrilla Brokers, LLC.