Cheap Apartments for Rent in St. Clair, MO from $400 (26 Rentals)
Search the lowest-cost Apartments available for rent right now in St. Clair.

125 Crescent Lake Rd, Unit 104

1050 Plaza Ct N, Unit 19
Roommate Matching: Finding the Right Fit and Avoiding Pitfalls
When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.

716 Tall Oaks Dr, Unit APT 214

Autumn Leaf Apartment Homes

Village on the Green

Ballwin Manor

Summit Valley Apartments
The Art of the Rental Viewing: What to look for during a property tour
Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

Highgrove at Big Bend

Greenmar Apartments

Southernside Apartments

Chapel Ridge of Union

Pacific Village Apartments

Retreat at Seven Trails

106 E Monroe Ave

2518 S Service Rd
Smart Renter's Guide: Calculating Affordable Rent & Housing Costs
Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

1091 Oregon St

1540 Koch Ln

9 S Center St
Navigating the Rental Market: Tips for First-Time Renters
Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.
St. Clair, MO Local Guide

How much does it cost to rent an apartment in St. Clair?
Bedroom | Average Rent | Cheapest Rent | Highest Rent |
---|---|---|---|
St. Clair Studio Apartments | $1,379 | $1,340 | $1,440 |
St. Clair 1 Bedroom Apartments | $1,564 | $680 | $2,410 |
St. Clair 2 Bedroom Apartments | $2,035 | $725 | $3,914 |
St. Clair 3 Bedroom Apartments | $2,212 | $1,302 | $4,892 |
Browse Top Apartments in St. Clair
See all Apartments in St. ClairExplore St. Clair
St. Clair, MO Local Guide
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Cheapest Available St. Clair Apartments for Rent and Nearby
 The cheapest available apartment rental in St. Clair, MO is a 1 Bed unit found at 990 S Lay Ave priced from $680. Village on the Green has the second lowest priced unit, which is a 1 Bed apartment currently listed from $735. Here is today’s list of the most affordable St. Clair apartments for rent:
Apartment Listing | Model Name | Bed/Bath | Priced From |
---|---|---|---|
990 S Lay Ave | 990 South Lay | 1BR,1BA | $680 |
Village on the Green | 1 Bed | 1BR,1BA | $735 |
Summit Valley Apartments | One Bed, One Bath | 1BR,1BA | $800 |
Autumn Leaf Apartment Homes | Bedrooms Upstairs | 2BR,2BA | $950 |
Chapel Ridge of Union | 1 Bedrooms | 1BR,1BA | $999 |
Walden Pond | 2A | 2BR,2BA | $1,100 |
Southernside Apartments | Two Bedroom | 2BR,2BA | $1,116 |
Best Value Apartments for Rent in St. Clair, MO and Nearby
As of June 14, 2025 the best value apartment in the St. Clair area is the $1.17 price per square foot 33E Model at Carriage Place at Lake Chesterfield in the in the Enclaves at Cherry Hills neighborhood starting from $1,732. The second greatest value St. Clair apartment is the Two Bedroom Model at Southernside Apartments starting at $1,116 with a $1.01 price per square foot in the OFallon St Charles neighborhood. Here is today’s list of the best values for St. Clair apartments based on price per square foot:
Apartment Listing | Model Name | Bed/Bath | Price Per Sq.Ft. |
---|---|---|---|
Carriage Place at Lake Chesterfield | 33E | 3BR,3BA | $1.17 |
Southernside Apartments | Two Bedroom | 2BR,2BA | $1.01 |
Walden Pond | 3A | 3BR,2BA | $1.02 |
Highgrove at Big Bend | 2 Bedroom, 2 Bathroom | 2BR,2BA | $1.03 |
Summit Valley Apartments | One Bed, One Bath | 1BR,1BA | $0.98 |
Autumn Leaf Apartment Homes | Bedroom Upstairs | 1BR,1BA | $1.24 |
1050 Plaza Ct N, Unit 19 | 1050 Plaza Ct N | 2BR,1BA | $1.04 |
125 Crescent Lake Rd, Unit 104 | 125 Crescent Lake Rd | 2BR,1BA | $1.12 |
Village on the Green | 1 Bed | 1BR,1BA | $1.18 |
990 S Lay Ave | 990 South Lay | 1BR,1BA | $1.36 |
Quick Rent Budget Calculator
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The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.
Best Local Schools in St. Clair, MO
School data provided by Great Schools
Remember the 3 Rules of Real Estate:Location, Location, Location!
Explore St. Clair, MO Rentals by Map
See the most popular apartments and homes in St. Clair, MO
Getting Around St. Clair, MO
Walk Score®
30 / 100
Car-Dependent
Most errands require a car
Bike Score®
27 / 100
Somewhat Bikeable
Minimal bike infrastructure
What Are Walk Score®, Transit Score®, and Bike Score® Ratings?
- Walk Score® measures the walkability of any address.
- Transit Score® measures access to public transit.
- Bike Score® measures the bikeability of any address.
Frequently Asked Questions about Cheap St. Clair Apartments
What is the Cheapest Studio apartment in St. Clair?
Currently the most affordable Cheap Studio Apartment in St. Clair is at Mila listed at $1,340.
How much is rent for a Cheap One Bedroom St. Clair Apartment?
The lowest price for a Cheap One Bedroom St. Clair Apartment is $680 at 990 S Lay Ave.
What is the lowest price for a Cheap Two Bedroom St. Clair Apartment for rent?
Today's best deal for a Cheap Two Bedroom Apartment in St. Clair is starting from $845 at Village on the Green.
What is the most affordable St. Clair Three Bedroom Apartment?
The best deal on a cheap St. Clair Three Bedroom Apartment rental is at Walden Pond and starts from $1,350.
Expert Rental Resources
Helpful Apartment Articles, How-To's and Tips
The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

Roommate Matching: Finding the Right Fit and Avoiding Pitfalls
Written by: Cheryl Bowman
A fantastic way to save money and enjoy a built-in community is to share an apartment. However, a bad roommate situation can turn your dream rental into a nightmare.

The Art of the Rental Viewing: What to look for during a property tour
Written by: Marie Brown
You’ve scrolled through countless listings, walked through a blur of rentals, and finally found what feels like the one. The pictures? Fantastic. The neighborhood seems just right.

Know Your Budget: Calculating What You Can Realistically Afford When Renting
Written by: Lauren Harrington
Renting an apartment or house isn’t just about looking through online ads, choosing a few apartments or homes you want to tour, filling out an application, and putting down a deposit. Those things are all necessary and important.

The Freedom of Short-Term Leases: Exploring the Advantages for Renters
Written by: Bobbi Jackson
If you’re looking to relocate right now, a popular solution that may best fit your current rental needs is a short-term lease.