Cheap Apartments for Rent in the 63121 ZIP Code of St. Louis, MO from $300 (70 Rentals)

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Search the lowest-cost Apartments available for rent right now in the 63121 ZIP Code area of Saint Louis.

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.

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property at 5547 Holborn Dr

$1,430

Total Monthly Price

Total Monthly Price

Base Rent
$1,430
Total Monthly Price
$1,430

3 Bedroom, 1 Bath Home for Rent

Available Now

5547 Holborn Dr

St. LouisMO63121

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.

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Normandale Properties
1 to 2 Bedroom Apartments

Normandale Properties

7701 Natural Bridge RdSt. Louis, MO 63121
  • Utilities Included
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Bermuda Heights
1 to 2 Bedroom Apartments

Bermuda Heights

7718-7744 Springdale DrSt. Louis, MO 63121
Corporate Housing
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Northern Village
Studio to 2 Bedroom Apartments

Northern Village

5303 Lucas Hunt RdSt. Louis, MO 63121
  • Utilities Included

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.

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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.

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property at 7806 Underhill Dr

$1,385

Total Monthly Price

Total Monthly Price

Base Rent
$1,385
Total Monthly Price
$1,385

2 Bedroom, 1 Bath Home for Rent

Available Jul 1

7806 Underhill Dr

St. LouisMO63133
property at 4049 Darby St

$1,400

Total Monthly Price

Total Monthly Price

Base Rent
$1,400
Total Monthly Price
$1,400

2 Bedroom, 2 Bath Home for Rent

Available Now

4049 Darby St

St. LouisMO63120
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Midland Manor
1 to 2 Bedroom Apartments

Midland Manor

8310 Midland BlvdSt. Louis, MO 63114
  • Utilities Included
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Garden Hill Apartments
1 to 2 Bedroom Apartments

Garden Hill Apartments

8801 Gillette AveSt. Louis, MO 63136
  • Utilities Included

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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Showing Results 1-50, Page 1 of 2

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

decorative image for A Local Expert’s Guide To the 10 Top Budget-Friendly Neighborhoods to Rent in St. Louis article

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.

decorative image for Local Guide To the Best Student Friendly Neighborhoods to Rent Near Colleges in St. Louis article

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.

decorative image for St. Louis Living: Your Local Experts Guide to Neighborhoods and Renting article

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

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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.

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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.

decorative image for Neighborhood and Market Insights: How to Choose the Right Area to Rent article

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.

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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.