
1 Bedroom Apartments for Rent in Castel Rock, CO (48 Rentals)


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Canyon View

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Cortland at Coalton

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Flatiron Flats Apartments

The Lock at Flatirons

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Origin

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Bell Flatirons

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Basecamp at West 8th

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Caliber at Flatirons
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Arvada Court Apartments - Utilities included!

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Fusion 355

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Cortland Flatirons

Nest on Osage

Mohawk Green Apartments

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Union Baseline

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Ezlyn

Park Mesa

Henley and Remy Apartments
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Tantra Lake

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Summit at Flatirons

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Epoque Golden

Timberline Farms

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Maple Leaf Townhomes

Coronado Apartments

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Flatiron View Apartments

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Buffalo Canyon

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The Elmwood
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Grand View at Flatirons

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Bell Broomfield

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Altitude

RockVue

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Heights at Interlocken

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Stonegate Apartments

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Kimberly Court Apartments

Boulder Creek

Canyon View
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Mohawk Drive Apartments

Nest on Thunderbird

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Blue Sky Lofts

1620 Egret Way

955 16th St.

Dunn Memorial Housing - 55+ Community

Copper Ridge

The Parallel

Cascade Apartments
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

Windsor Flatirons

Bridges at Flatiron

Clear Creek Commons
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 | $1,717 | $1,250 | $2,225 |
| Castel Rock 1 Bedroom Apartments | $1,963 | $955 | $4,218 |
| Castel Rock 2 Bedroom Apartments | $2,346 | $965 | $6,723 |
| Castel Rock 3 Bedroom Apartments | $3,003 | $965 | $7,151 |
| Castel Rock 4 Bedroom Apartments | $2,343 | $1,195 | $5,360 |
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Castel Rock, CO Local Guide
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Largest Available Castel Rock and Nearby 1 Bedroom Apartments
The largest available 1 Bedroom apartment unit in Castel Rock, CO is found at Origin in the Centennial Valley neighborhood and is 1,884 square feet priced from $3,415. Caliber at Flatirons in the Interlocken neighborhood has the second largest 1 Bedroom, which is sized at 954 square feet and currently listed start at $1,655. Here is today’s list of the largest available 1 Bedroom units in Castel Rock:
| Apartment Listing | Model Name | Square Footage | Priced From |
|---|---|---|---|
| Origin | LW5 | 1,884 Sq Ft | $3,415 |
| Caliber at Flatirons | Unit A2-UB | 954 Sq Ft | $1,655 |
| Heights at Interlocken | A5 | 945 Sq Ft | $2,029 |
| Boulder Creek | Keystone | 932 Sq Ft | $2,092 |
| Stonegate Apartments | Refresh | 925 Sq Ft | $1,856 |
| Bell Flatirons | One Bedroom 1A1EG-2A1CG | 921 Sq Ft | $1,907 |
| RockVue | Peak | 885 Sq Ft | $1,677 |
| Bell Broomfield | A1F | 865 Sq Ft | $1,840 |
| The Elmwood | A4-ANSI-A | 862 Sq Ft | $1,899 |
| Windsor Flatirons | A2 | 862 Sq Ft | $1,602 |
Cheapest Available Castel Rock and Nearby 1 Bedroom Apartments
As of February 17, 2026 the lowest priced 1 Bedroom apartment unit in Castel Rock, CO is the 1BR/1.0BA Model starting from $955 at Park Mesa in the Majestic Heights neighborhood. The second most affordable Castel Rock 1 Bedroom is the Unit Type B Model at Nest on Osage starting at $1,300 in the Southeast Boulder neighborhood. The average price for all 1 Bedroom apartments in Castel Rock is currently $1,963. Here is today’s list of the cheapest available 1 Bedroom options in Castel Rock:
| Apartment Listing | Model Name | Priced From |
|---|---|---|
| Park Mesa | 1BR/1.0BA | $955 |
| Nest on Osage | Unit Type B | $1,300 |
| Nest on Thunderbird | 1 Bedroom 1 Bathroom | $1,300 |
| Kimberly Court Apartments | Pomeroy | $1,302 |
| Ralston Park Apartments | RPA-1x1(610) B | $1,399 |
| Tantra Lake | 1 Bedroom | $1,400 |
| Bridges at Flatiron | A1 Affordable | $1,410 |
| Blue Sky Lofts | Northwoods | $1,425 |
| Stonegate Apartments | Redeem | $1,440 |
| Flatiron View Apartments | Caribou | $1,486 |
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Read ArticleQuick Rent Budget Calculator
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.
Remember the 3 Rules of Real Estate:Location, Location, Location!
Explore Castel Rock, CO Rentals by Map
See the most popular apartments and homes in Castel Rock, CO
Frequently Asked Questions about 1 Bedroom Castel Rock Apartments
What is the Cheapest apartment in Castel Rock with 1 Bedroom?
Currently the most affordable 1 Bedroom in Castel Rock is at Park Mesa listed at $955.
How much is the average rent for a 1 Bedroom Castel Rock Apartment?
The average rent for a 1 Bedroom Apartment in Castel Rock is $1,963.
What is the largest available 1 Bedroom Castel Rock Apartment for rent?
Today's apartment with the most square footage in Castel Rock is a 1,884 square feet unit starting from $3,415 at Origin.
What is the average size for Castel Rock 1 Bedroom Apartments for rent?
The average size for a 1 Bedroom rental in Castel Rock is currently 799 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

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

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Renting your next home can feel thrilling and overwhelming at the same time.

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Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.