Cheap Apartments for Rent in Castel Rock, CO from $900 (31 Rentals)
Search the lowest-cost Apartments available for rent right now in Castel Rock.

Nest on Osage

Kimberly Court Apartments

Flatiron View Apartments

Mohawk Drive Apartments

Ralston Park Apartments

Bridges at Flatiron

Stonegate Apartments

Ezlyn
Denver's Best Affordable Neighborhoods
Learn about Denver and the best places to live with original content written by our Denver, CO Local Expert Marie McGinnis

Mohawk Green Apartments

Fusion 355

Summit at Flatirons

Heights at Interlocken

Bell Flatirons

Buffalo Canyon

Nest on Thunderbird

The Elmwood

Caliber at Flatirons

Origin

Retreat at the Flatirons

The Lock at Flatirons

1005 11th St

6150 Simms St

7175 Routt St

1717 Baseline Rd

3009 Madison Ave
Castel Rock, CO Local Guide

How much does it cost to rent an apartment in Castel Rock?
Bedroom | Average Rent | Cheapest Rent | Highest Rent |
---|---|---|---|
Castel Rock Studio Apartments | $1,911 | $1,475 | $2,712 |
Castel Rock 1 Bedroom Apartments | $2,203 | $1,000 | $6,281 |
Castel Rock 2 Bedroom Apartments | $2,778 | $1,000 | $7,214 |
Castel Rock 3 Bedroom Apartments | $3,157 | $1,580 | $10,000+ |
Castel Rock 4 Bedroom Apartments | $2,341 | $1,550 | $6,700 |
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Castel Rock, CO Local Guide
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Cheapest Available Castel Rock Apartments for Rent and Nearby
 The cheapest available apartment rental in Castel Rock, CO is a 2 Beds unit found at 785 20th St in the Main Campus neighborhood priced from $1,000. Nest on Osage in the Southeast Boulder neighborhood has the second lowest priced unit, which is a 1 Bed apartment currently listed from $1,210. Here is today’s list of the most affordable Castel Rock apartments for rent:
Apartment Listing | Model Name | Bed/Bath | Priced From |
---|---|---|---|
785 20th St | 2 Bedroom | 2BR,1BA | $1,000 |
Nest on Osage | Unit Type B | 1BR,1BA | $1,210 |
Kimberly Court Apartments | Pomeroy | 1BR,1BA | $1,320 |
Flatiron View Apartments | Caribou | 1BR,1BA | $1,440 |
Blue Sky Lofts | Cloud | 1BR,1BA | $1,450 |
Ezlyn | One Bedroom A1 | 1BR,1BA | $1,484 |
Mohawk Green Apartments | One Bedrooms | 1BR,1BA | $1,495 |
Tantra Lake | 1 bed | 1BR,1BA | $1,500 |
Copper Ridge Apartment Homes | Imperial - En Suite | 1BR,1BA | $1,514 |
Fusion 355 | Studio S1 | Studio,1BA | $1,522 |
Best Value Apartments for Rent in Castel Rock, CO and Nearby
As of March 22, 2025 the best value apartment in the Castel Rock area is the $2.05 price per square foot B2-R Model at Grand View at Flatirons in the in the Centennial Valley neighborhood starting from $2,180. The second greatest value Castel Rock apartment is the Renovated 2x1 Model at Union Baseline starting at $1,530 with a $1.71 price per square foot in the Main Campus neighborhood. Here is today’s list of the best values for Castel Rock apartments based on price per square foot:
Apartment Listing | Model Name | Bed/Bath | Price Per Sq.Ft. |
---|---|---|---|
Grand View at Flatirons | B2-R | 2BR,2BA | $2.05 |
Union Baseline | Renovated 2x1 | 2BR,1BA | $1.71 |
Ralston Park Apartments | RPA-2x1(896) E | 2BR,1BA | $2.02 |
RockVue | 817 Apex | 1BR,1BA | $2.24 |
Copper Ridge Apartment Homes | Imperial | 1BR,1BA | $1.94 |
Heights at Interlocken | A325 | 1BR,1BA | $2.10 |
Bridges at Flatiron | A2 | 1BR,1BA | $2.22 |
Mohawk Green Apartments | One Bedrooms | 1BR,1BA | $2.17 |
Nest on Osage | Unit Type B | 1BR,1BA | $2.02 |
785 20th St | 1 Bedroom | 1BR,1BA | $1.77 |
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Frequently Asked Questions about Cheap Castel Rock Apartments
What is the Cheapest Studio apartment in Castel Rock?
Currently the most affordable Cheap Studio Apartment in Castel Rock is at Fusion 355 listed at $1,522.
How much is rent for a Cheap One Bedroom Castel Rock Apartment?
The lowest price for a Cheap One Bedroom Castel Rock Apartment is $1,000 at 785 20th St.
What is the lowest price for a Cheap Two Bedroom Castel Rock Apartment for rent?
Today's best deal for a Cheap Two Bedroom Apartment in Castel Rock is starting from $1,000 at 785 20th St.
What is the most affordable Castel Rock Three Bedroom Apartment?
The best deal on a cheap Castel Rock Three Bedroom Apartment rental is at Nest on Osage and starts from $1,600.
Expert Rental Resources
Helpful Apartment Articles, How-To's and Tips
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.

The 10 Best Affordable Neighborhoods in Denver, CO
Written by: Marie McGinnis
Denver is a beautiful city with ample opportunities for outdoor recreation and a wide variety of housing options. As your ApartmentHomeLiving.

Understanding Amenity Fees: Know Where You Might Be Able to Save Money
Written by: Amber Kanuckel
With the rising costs of housing, a lot of renters are asking this question: Is it possible to opt out of various amenities that your rental property offers so that you can avoid paying the fees.

What to Know About Fees and Fines When Renting
Written by: Trey Huguley
When it comes to renting a new apartment or home there can be a number of fees that you will want to keep in mind going into the process.

Battling the Butts: Your Guide to the Reality of Smoke-Free Renting
Written by: Andrea Lee Negroni, JD
While many apartment buildings are “no smoking” properties, it’s hard to know exactly how many. In 2017, the National Apartment Association reported more than half of rental properties had smoke free policies.