3 Bedroom Apartments for Rent in Union, MO (51 Rentals)

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RedBird Estates
3 Bedroom Apartments

RedBird Estates

1035 Halligan EstUnion, MO 63084

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.

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Avenue64 Apartments
Rent Specials
$2,351 - $2,363
Total Monthly Price

Total Monthly Price

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$1,423 - $2,769
Total Monthly Price
Varies
3 Bedroom Apartments Available Aug 29

Avenue64 Apartments

1000 Watermark DrO'Fallon, MO 63368
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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.

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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.

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St. Louis's Best Affordable Neighborhoods

Learn about St. Louis and the best places to live with original content written by our St. Louis, MO Local Expert Taryn Shorr-Mckee

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How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide

Finding the right apartment starts with three things: location, cost, and amenities. Get the insider perspective from a real estate professional on how to nail all three.

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Showing Results 1-50, Page 1 of 2

Union, MO Local Guide

Largest Available Union and Nearby 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in Union, MO is found at Creekside Landing in the Lake St. Louis neighborhood and is 1,680 square feet priced from $2,600. The Willows in the Wentzville neighborhood has the second largest 3 Bedroom, which is sized at 1,667 square feet and currently listed start at $2,725. Here is today’s list of the largest available 3 Bedroom units in Union:

Apartment ListingModel NameSquare FootagePriced From
Creekside LandingAspen II with 2nd Floor Bay1,680 Sq Ft$2,600
The WillowsAspen1,667 Sq Ft$2,725
Montage at Hawk RidgeThe Grand Montage1,603 Sq Ft$2,525
Preserve at Research ParkMillgate1,487 Sq Ft$1,849
Carriage Place at Lake Chesterfield3 Bed 3 Bath - Washer/Dryer1,475 Sq Ft$2,075
Ellisville Enclave3BR-2.5BA Townhome1,426 Sq Ft$2,750
MilaFire Maple1,363 Sq Ft$3,060
The Waterways of Lake Saint Louis ApartmentsWaterside1,350 Sq Ft$1,680
Altair at the PreserveWestborough1,295 Sq Ft$2,295
The Legends on the Park Apartments3 Bedroom1,184 Sq Ft$1,882

Cheapest Available Union and Nearby 3 Bedroom Apartments

As of August 03, 2026 the lowest priced 3 Bedroom apartment unit in Union, MO is the 3 Beds, 2 baths Model starting from $1,300 at Osage Estates Apartments in the Pacific neighborhood. The second most affordable Union 3 Bedroom is the 3 Bedrooms Model at Chapel Ridge of Union starting at $1,399 . The average price for all 3 Bedroom apartments in Union is currently $2,386. Here is today’s list of the cheapest available 3 Bedroom options in Union:

Apartment ListingModel NamePriced From
Osage Estates Apartments3 Beds, 2 baths$1,300
Chapel Ridge of Union3 Bedrooms$1,399
Walden Pond3A$1,450
The Waterways of Lake Saint Louis ApartmentsWaterside$1,680
Preserve at Research ParkMillgate$1,849
The Legends on the Park Apartments3 Bedroom$1,882
Carriage Place at Lake Chesterfield3 Bed 3 Bath - Washer/Dryer$2,075
Altair at the PreserveWestborough$2,295
Montage at Hawk RidgeThe Grand Montage$2,525
Creekside LandingAspen II with 2nd Floor Bay$2,600

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

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Real 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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Frequently Asked Questions about 3 Bedroom Union Apartments

How much is the average rent for a 3 Bedroom Union Apartment?

The average rent for a 3 Bedroom Apartment in Union is $2,386.

What is the largest available 3 Bedroom Union Apartment for rent?

Today's apartment with the most square footage in Union is a 1,680 square feet unit starting from $2,600 at Creekside Landing.

What is the average size for Union 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in Union is currently 1,645 sq ft.

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

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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.

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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.

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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.

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First Apartment Regrets: Real Renters Share What They'd Do Differently

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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.

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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.

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Apartment Occupancy Rates: Renter Attraction vs Renter Retention

Written by: Robin Stewart

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.

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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.