
Cheap Homes for Rent in the 63121 ZIP Code of St. Louis, MO from $300 (49 Rentals)
Search the lowest-cost Homes available for rent right now in the 63121 ZIP Code area of Saint Louis.


7121-7159 Lexington Ave, Unit 7155

3742 Melba Pl

7121-7159 Lexington Ave, Unit 7141

4521 Oakwood Ave

7259 Pasadena Blvd

3738 Sylvan Pl

4211 Ravenwood Ave

4331 Rozier Dr
What Does “Rent Burdened” Mean? How Much Rent Is Too Much
Learn the official definition (spending 30% or more of your gross income on housing) and how to calculate your exact rent-to-income ratio. This guide offers expert tips on factoring in total housing costs (including utilities and fees) and budgeting accurately to avoid unnecessary financial strain.

2519 Crescent Ave

7218 Albright Ave

5516 Fairridge Ct

3720 Darby St

7024 Idlewild Ave

8908 Scottdale Ave

7028 Dawson Pl

7516 Chandler Ave

5900 Sheriton Dr
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.

7148 Lillian Ave

7414 Pleaseway Dr

806 Marvin Ave

7426 Calvin Ave

7007 Myron Ave

4415 Stivers St

6705 St Louis Ave

3826 Melba Pl

7470 Sharon Dr
Cash or credit? Understanding the Importance of Credit Score in Real Estate and Renting
Discover how your credit score impacts your ability to lease or buy a home. Learn how credit scores are determined, how to check yours, and strategies to improve it for real estate success.

3900 Roland Blvd

6404 Myron Ave

5636 Statler Ave

4300 Begg Blvd

8824 Huiskamp Ave

7624 Stanwood Dr

8433 Engler Ave

7420 Pleaseway Dr

4422 June Ave
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.

2646 Terrace Ln

8124 Titus Rd

5300 Grove Ave

1927 Stillwater Dr

4306 Rozier Dr

7806 Underhill Dr

4049 Darby St

9215 Outerbelt Ct

7441 Calvin Ave
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.

7808 Winward Dr

5547 Holborn Dr

3512 Belaire Pl

3512 Belaire Pl
St. Louis, MO Local Guide

How much does it cost to rent an apartment in St. Louis?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| 63121 2 Bedroom Homes for Rent | $1,020 | $750 | $3,554 |
| 63121 3 Bedroom Homes for Rent | $1,367 | $1,300 | $1,400 |
| 63121 4 Bedroom Homes for Rent | $1,466 | $1,400 | $1,500 |
Browse Homes for Rent in the 63121 Zip Code of St. Louis
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Frequently Asked Questions about the 63121 ZIP Code
How much are larger Three and Four Bedroom Rentals in 63121?
For those who are looking for larger living arrangements, Three Bedroom Apartments in 63121 range from $674 to $6,995, while Three Bedroom Homes, Condos, and Townhomes for rent range from $1,300 to $1,400. Four Bedroom Single-Family rentals are also available starting from $1,400 and Four Bedroom Apartments start at $775.
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

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.

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.

St. Louis Living: Your Local Experts 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.
Articles, How-To's, and Tips

Pet-Friendly Renting: Everything You Need to Know Before You Move
Written by: Christine Leonard, Esq.
For so many of us, pets are the best companions and a big part of our lives. For this reason, a pet-friendly house or apartment is often a very important - and nonnegotiable - part of a move.

Creative Ways Developers Reimagine Retail Spaces as Residential Units
Written by: Robin Stewart
Adaptive reuse is when a commercial property is converted and repurposed. The real estate industry has embraced a growing number of these projects.

Neighborhood and Market Insights: How to Choose the Right Area to Rent
Written by: Robin Stewart
Apartment-hunting can be a gargantuan task. Renters have a wish list of items—some luxuries, some necessities—but finding what you seek in the right place is perhaps the most important part of the journey.

A Seasoned Property Manager's Step-by-Step Guide to Getting Your Deposit Back
Written by: Lauren Harrington
I’m going to talk with you as a seasoned property manager and friend. So, let’s start with your security deposit. I want you to think about this guide as insider information. You deserve your deposit back.