The Boulders at Katy Trail

100 Katy Trail Lane St, Saint Charles, MO 63303

Visit The Boulders at Katy Trail website

Apartment building

1-3 beds

Pet-friendly

Other parking

In-unit dryer

What’s available

Price may not include required fees and charges.

1 bd, 1 ba

$1,703-1,783

766 sqft

5 units avail. Aug 29 | 1 avail. Aug 15

Price: $1,703Available: Available Aug 29 2025Unit: Unit 114

Price: $1,743Available: Available Aug 29 2025Unit: Unit 196

Price: $1,743Available: Available Aug 15 2025Unit: Unit 154

Price: $1,753Available: Available Aug 29 2025Unit: Unit 144

Price: $1,753Available: Available Aug 29 2025Unit: Unit 122

Price: $1,783Available: Available Aug 29 2025Unit: Unit 198

1 bd, 1 ba

$1,956

856 sqft

1 unit available now

2 bd, 2 ba

$1,924-1,991

1,079 sqft

3 units available Sep 5-Oct 10

Price: $1,924Available: Available Sep 5 2025Unit: Unit 7

Price: $1,974Available: Available Sep 19 2025Unit: Unit 234

Price: $1,991Available: Available Oct 10 2025Unit: Unit 12

2 bd, 2 ba

$1,960-2,000

1,128 sqft

2 units avail. now | 2 avail. Sep 19-Oct 10

Price: $1,960Available: Available Oct 10 2025Unit: Unit 51

Price: $1,963Available: Available Sep 19 2025Unit: Unit 211

Price: $2,000Available: Available NowUnit: Unit 38

Price: $2,000Available: Available NowUnit: Unit 214

2 bd, 2 ba

$2,067-2,114

1,100 sqft

3 units available Aug 22

Price: $2,067Available: Available Aug 22 2025Unit: Unit 286

Price: $2,074Available: Available Aug 22 2025Unit: Unit 259

Price: $2,114Available: Available Aug 22 2025Unit: Unit 304

2 bd, 2 ba

$2,091

1,082 sqft

1 unit available now

2 bd, 2.5 ba

$2,445

1,210 sqft

1 unit available Aug 29

3 bd, 2 ba

$2,523

1,305 sqft

1 unit available now

What's special

Deck

Grab your shades

This building features access to a deck. Only 4% of buildings in Saint Charles have this amenity.

Office hours

Day	Open hours
Mon - Fri:	8:30 am - 5 pm
Sat:	10 am - 4 pm
Sun:	Closed

Facts, features & policies

Building Amenities

Community Rooms

Business Center: 24-hr Business Center

Fitness Center: On-Demand Virtual Fitness Center

Game Room: Billiards Room

Other

In Unit: Full-size Washer and Dryer*

Swimming Pool: Indoor & Outdoor Pools

Outdoor common areas

Deck: Private Deck or Patio

Services & facilities

Elevator

On-Site Maintenance: OnSiteMaintenance

Package Service: PackageReceiving

Pet Park

View description

Scenic Views

Unit Features

Appliances

Dryer: Full-size Washer and Dryer*

Washer: Full-size Washer and Dryer*

Flooring

Wood: Wood Plank Flooring*

Policies

Lease terms

6, 7, 8, 9, 10, 11, 12, 13, 14, 15

Pets

Dogs

Allowed

2 pet max

75 lbs. weight limit

Restrictions: Breed restrictions apply.

Pet friendly. To help ensure ALL of our residents understand our pet and animal-related policies, we use a third-party screening service and require EVERYONE to complete a profile (No Pet/Pet/Animal).

Cats

Allowed

2 pet max

75 lbs. weight limit

Restrictions: Breed restrictions apply.

Pet friendly. To help ensure ALL of our residents understand our pet and animal-related policies, we use a third-party screening service and require EVERYONE to complete a profile (No Pet/Pet/Animal).

Parking

Garage: Garage Parking*

Parking Lot: Other

Special Features

9ft Ceiling With Elegant Crown Molding

Built-in Wine Racks And Bookshelves*

Car Detailing Center

Coffered Ceiling*

Computer Niche

Designer Kitchens With 42" Cabinetry

Electric Fireplaces*

Granite Counter Tops

Kitchen Island With Bar Seating*

Pergola With Fire Pit & Gas Grills

Pet Friendly

Pickleball Court

Scenic Lakes And Water Features

Skylight In Loft*

Upgraded Appliances*

Walk-in Closets

Wired For Surround Sound

Neighborhood: 63303

Areas of interest

Use our interactive map to explore the neighborhood and see how it matches your interests.

Travel times

Walk, Transit & Bike Scores

1 / 100

Car-Dependent

10 / 100

Somewhat Bikeable

Nearby schools in Saint Charles

GreatSchools rating

4/10
Becky-David Elementary School
Grades: PK-5Distance: 1.3 mi
6/10
Barnwell Middle School
Grades: 6-8Distance: 1.2 mi
6/10
Francis Howell North High School
Grades: 9-12Distance: 1.8 mi

Market Trends

Rental market summary

The average rent for all beds and all property types in Saint Charles, MO is $1,835.

Average rent

$1,835

Month-over-month

-$160

Year-over-year

-$265

Available rentals

Saint Charles, MO Rental Market Data

Nearby apartments for rent

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Frequently asked questions

What is the walk score of The Boulders at Katy Trail?

The Boulders at Katy Trail has a walk score of 1, it's car-dependent.

What schools are assigned to The Boulders at Katy Trail?

The schools assigned to The Boulders at Katy Trail include Becky-David Elementary School, Barnwell Middle School, and Francis Howell North High School.

Does The Boulders at Katy Trail have in-unit laundry?

Yes, The Boulders at Katy Trail has in-unit laundry for some or all of the units.

What neighborhood is The Boulders at Katy Trail in?

The Boulders at Katy Trail is in the 63303 neighborhood in Saint Charles, MO.

What are The Boulders at Katy Trail's policies on pets?

Dogs are allowed, with a maximum weight restriction of 75lbs. A maximum of 2 dogs are allowed per unit. Cats are allowed, with a maximum weight restriction of 75lbs. A maximum of 2 cats are allowed per unit.

Does The Boulders at Katy Trail have virtual tours available?

Yes, 3D and virtual tours are available for The Boulders at Katy Trail.

There are 8+ floor plans availableWith 120% more variety than properties in the area, you're sure to find a place that fits your lifestyle.