
4 Bedroom Apartments for Rent in Union, MO (18 Rentals)


College Village Apartments

The Willows

The Waterways of Lake Saint Louis Homes

Villas on The Prairie

The Waterways of Lake Saint Louis Apartments
St. Louis Living: Your Local Expert's Guide to Neighborhoods and Renting
Moving to St. Louis? Get the ultimate insider's guide to the city's neighborhoods, from the historic CWE to residential Shaw. Find your perfect apartment and settle in like a local.

615 Portsmouth Dr

161 Baker St

1700 Birch St

102 Lexington Ln

16920 Hickory Forest Ln

302 Windmill View Court
Renters Insurance 101: What It Is, What It Covers, and Why You Need It
From theft to fire to water damage, the unexpected can happen to any renter. Discover why renters insurance is one of the smartest and most affordable investments you can make as a tenant.

15 Country Trail Ct

31 Heatherwood Ct

2268 Kittridge Ct

721 Cedar Glen Dr

286 Osprey Ct

16610 Green Needle Ct
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 Studio Apartments | $1,521 | $1,521 | $1,521 |
| Union 1 Bedroom Apartments | $1,461 | $710 | $1,917 |
| Union 2 Bedroom Apartments | $1,898 | $875 | $2,815 |
| Union 3 Bedroom Apartments | $2,386 | $1,300 | $3,185 |
| Union 4 Bedroom Apartments | $3,139 | $3,000 | $3,400 |
Browse Top Apartments in Union
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Union, MO Local Guide
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Largest Available Union and Nearby 4 Bedroom Apartments
The largest available 4 Bedroom apartment unit in Union, MO is found at Villas on The Prairie in the Tysons Corner neighborhood and is 1,987 square feet priced from $3,000. The Waterways of Lake Saint Louis Homes in the Lake St. Louis neighborhood has the second largest 4 Bedroom, which is sized at 1,804 square feet and currently listed start at $3,000. Here is today’s list of the largest available 4 Bedroom units in Union:
| Apartment Listing | Model Name | Square Footage | Priced From |
|---|---|---|---|
| Villas on The Prairie | Villas - Finished Lower Level | 1,987 Sq Ft | $3,000 |
| The Waterways of Lake Saint Louis Homes | Rental Homes | 1,804 Sq Ft | $3,000 |
| The Waterways of Lake Saint Louis Apartments | 4 Bedroom Home | 1,804 Sq Ft | $3,000 |
Cheapest Available Union and Nearby 4 Bedroom Apartments
As of August 03, 2026 the lowest priced 4 Bedroom apartment unit in Union, MO is the 4 Bedroom Home Model starting from $3,000 at The Waterways of Lake Saint Louis Apartments in the Lake St. Louis neighborhood. The second most affordable Union 4 Bedroom is the Villas - Finished Lower Level Model at Villas on The Prairie starting at $3,000 in the Tysons Corner neighborhood. The average price for all 4 Bedroom apartments in Union is currently $3,139. Here is today’s list of the cheapest available 4 Bedroom options in Union:
| Apartment Listing | Model Name | Priced From |
|---|---|---|
| The Waterways of Lake Saint Louis Apartments | 4 Bedroom Home | $3,000 |
| Villas on The Prairie | Villas - Finished Lower Level | $3,000 |
| The Waterways of Lake Saint Louis Homes | Rental Homes | $3,000 |
Local 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 ArticleReal Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University
From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.
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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
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Remember the 3 Rules of Real Estate:Location, Location, Location!
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Frequently Asked Questions about Union
What is the current price range for One Bedroom Union Apartments for rent?
Today's rental pricing for One Bedroom Apartments in Union ranges from $710 to $1,917 with an average monthly rent of $1,461.
What does renting a Two Bedroom Apartment in Union cost?
The monthly rent prices of Two Bedroom Apartments currently available in Union range from $875 to $2,815. Today's average rental price for Two Bedrooms here is $1,898.
How expensive are Union Three Bedroom Apartments?
There are currently 33 Three Bedroom Apartments listings available in Union on ApartmentHomeLiving.com. The pricing ranges from $1,300 to $3,185 - averaging $2,386 for the location.
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.
Helpful Local Expert Guides

St. Louis Living: Your Local Expert's Guide to Neighborhoods and Renting
Written by: Taryn Shorr-Mckee
St. Louis is a historic city of neighborhoods — nearly 80 of them — each with its own personality, rhythm, and everyday comforts.

Local Guide To the Best Student Friendly Neighborhoods to Rent Near Colleges in St. Louis
Written by: Taryn Shorr-Mckee
Finding the right neighborhood to rent near your St. Louis college or university isn’t just about convenience.

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.
Articles, How-To's, and Tips

First Apartment Regrets: Real Renters Share What They'd Do Differently
Written by: Robin Stewart
Hindsight is 20/20. Live and Learn. With age comes wisdom. We’re familiar with all those expressions, and all of them apply to lessons first-time renters learn.

Renters Insurance 101: What It Is, What It Covers, and Why You Need It
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Insurance seems to be a part of life. In some states, having insurance is the law, as is the case for automobile insurance. Renters are no exception.

Apartment Occupancy Rates: Renter Attraction vs Renter Retention
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There’s a tenet in marketing about client or customer attraction and retention. Studies and data have consistently shown it costs less to keep a current customer than to attract a new one.

How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide
Written by: Robin Stewart
Evaluating rental properties for clients draws many parallels to house-hunting. Whether an apartment, loft, townhouse, or other rental, finding the right place means finding “home” for your client.