
Cheap Apartments for Rent in Union, MO from $500 (18 Rentals)
Search the lowest-cost Apartments available for rent right now in Union.


Chapel Ridge of Union

Village on the Green

Summit Valley Apartments
Your Guide to Co-Signers: The Risks, Rewards, and Everything in Between
Thinking about getting a co-signer for your rental application? We break down what a co-signer is, the potential benefits, and the serious risks for both parties. Find out if it's the right choice for you.

Osage Estates Apartments

Pacific Village Apartments

Autumn Leaf Apartment Homes

Cedar Lakes Apartments

11252 Click Rd
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.

11 Dubois Ct

31 Crockett St

38 Dunsford Dr

32 Rabbit Trail Dr

908 Olive St
From Arch to Apartment: The St. Louis Insider's Guide to Renting Near the Area's Top Employers
The St. Louis Insider's Guide to renting near BJC, WashU, Boeing, SSM Health, and Anheuser-Busch. Find your perfect neighborhood to balance commute, lifestyle, and budget.
Union, MO Local Guide

How much does it cost to rent an apartment in Union?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| Union 1 Bedroom Apartments | $1,484 | $680 | $1,990 |
| Union 2 Bedroom Apartments | $1,848 | $875 | $3,015 |
| Union 3 Bedroom Apartments | $2,205 | $1,200 | $3,060 |
| Union 4 Bedroom Apartments | $3,100 | $3,000 | $3,400 |
Browse Top Apartments in Union
See all Apartments in UnionExplore Union
Union, MO Local Guide
- Nearby Cities
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- School Districts
Cheapest Available Union Apartments for Rent and Nearby
 The cheapest available apartment rental in Union, MO is a 1 Bed unit found at 990 S Lay Ave priced from $680. Summit Valley Apartments in the Gray Summit neighborhood has the second lowest priced unit, which is a 1 Bed apartment currently listed from $800. Here is today’s list of the most affordable Union apartments for rent:
| Apartment Listing | Model Name | Bed/Bath | Priced From |
|---|---|---|---|
| 990 S Lay Ave | 990 South Lay | 1BR,1BA | $680 |
| Summit Valley Apartments | One Bed, One Bath | 1BR,1BA | $800 |
| Autumn Leaf Apartment Homes | 2 Bedroom Downstairs | 2BR,2BA | $950 |
| Osage Estates Apartments | 2 Beds, 1 bath | 2BR,1BA | $950 |
| Chapel Ridge of Union | 1 Bedrooms | 1BR,1BA | $1,024 |
Best Value Apartments for Rent in Union, MO and Nearby
As of December 15, 2025 the best value apartment in the Union area is the $1.25 price per square foot Estate Homes Model at The Estates at The Waterways in the in the Whispering Woods neighborhood starting from $3,000. The second greatest value Union apartment is the Three Bedroom Model at Golf Club of Wentzville starting at $2,500 with a $1.49 price per square foot . Here is today’s list of the best values for Union apartments based on price per square foot:
| Apartment Listing | Model Name | Bed/Bath | Price Per Sq.Ft. |
|---|---|---|---|
| The Estates at The Waterways | Estate Homes | 4BR,2.5BA | $1.25 |
| Golf Club of Wentzville | Three Bedroom | 3BR,2BA | $1.49 |
| Osage Estates Apartments | 3 Beds, 2 baths | 3BR,2BA | $1.15 |
| Washington Terrace | 2B/2B | 2BR,2BA | $1.23 |
| Walden Pond | 3A | 3BR,2BA | $1.30 |
| Aventura at Wentzville | B1 | 2BR,2BA | $1.44 |
| Autumn Leaf Apartment Homes | Bedrooms Upstairs | 2BR,2BA | $1.12 |
| Summit Valley Apartments | One Bed, One Bath | 1BR,1BA | $0.98 |
| Rockwood Springs | The Spruce | 1BR,1BA | $1.30 |
| 990 S Lay Ave | 990 South Lay | 1BR,1BA | $1.36 |
Don't Settle: How to Negotiate Your Apartment Lease and Save Money
Discover the insider tips from an attorney and real estate agent on how to negotiate your next apartment lease. Find out what's on the table and what's not, so you can save money and get the best terms possible.
Read ArticleThe Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro
Moving is tough, especially long-distance. Learn how to minimize stress & expenses with proven strategies from a real estate pro, covering everything from logistics to finances.
Read ArticleLocal Guide To the Best Student Friendly Neighborhoods to Rent Near Colleges in St. Louis
A Local Experts guide to the Best Student Friendly Neighborhoods Near Colleges in the St. Louis, MO metro area for affordable living. Find your perfect Student apartment, condo, or rental home today at apartmenthomeliving.com
Read ArticleQuick Rent Budget Calculator
How much rent can you afford?
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 Union, MO
School data provided by Great Schools
Remember the 3 Rules of Real Estate:Location, Location, Location!
Explore Union, MO Rentals by Map
See the most popular apartments and homes in Union, MO
Getting Around Union, MO
Walk Score®
32 / 100
Car-Dependent
Most errands require a car
Bike Score®
33 / 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 Union Apartments
How much is rent for a Cheap One Bedroom Union Apartment?
The lowest price for a Cheap One Bedroom Union Apartment is $680 at 990 S Lay Ave.
What is the lowest price for a Cheap Two Bedroom Union Apartment for rent?
Today's best deal for a Cheap Two Bedroom Apartment in Union is starting from $900 at Summit Valley Apartments.
What is the most affordable Union Three Bedroom Apartment?
The best deal on a cheap Union Three Bedroom Apartment rental is at Osage Estates Apartments and starts from $1,300.
Expert Rental Resources
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.
Articles, How-To's, and Tips

A Local Expert’s Guide To the 10 Top Budget-Friendly Neighborhoods to Rent in St. Louis
Written by: Taryn Shorr-Mckee
I’m Taryn, your ApartmentHomeLiving.com team Local Expert for St. Louis, Missouri. Nicknamed “a city of neighborhoods,” St. Louis has nearly 80 distinct communities, each with unique characteristics setting it apart from others.

Renting with Roommates: Realistic Expectations for Shared Lease
Written by: Christine Leonard, Esq.
Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.

Apartment Common Area Rules: What Renters Need to Know
Written by: Christine Leonard, Esq.
Back in the day when I rented one of my first apartments, the property didn’t even have laundry in the building. Now, rental properties are often competing against each other to provide the best amenities.

How to Negotiate Your Apartment Lease and Save Money
Written by: Christine Leonard, Esq.
Everything is a negotiation in real estate!



