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Updated 1 Day Ago

Highlights

  • Pet Friendly
  • Full size washer and dryer
  • Professional management
  • Built in microwave
  • Fully equipped kitchen
  • Faux wood tile flooring
  • Garages

Location

4160 Poison Spider Rd, Mills, WY 82604, USA
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Contact

Management

Cornerstone - Mills

Leasing office

(307) 265-4600

Property Overview

Cornerstone Mills Apartments offers strong overall value with an 8.3 expert rating, plus top marks for price, amenities, location, and trustworthiness. It features full-size in-unit laundry, a fully equipped kitchen, a built-in microwave, faux wood tile flooring, garages, and professional management, with nearby transit, walkability, recycling options, parks, and pet services adding everyday convenience.

This summary uses Zumper’s proprietary data. “Zumper Expert Ratings,” “Things you’ll love,” and “Great for” are based on our internal analyses of market trends and renter insights.

Zumper Expert Rating

8.3
Very Good
With a solid 8.3 out of 10 overall, Cornerstone Mills Apartments is a great option for renters. While some aspects, like Quality, might not be as distinguished as other properties nearby, Cornerstone Mills Apartments has a number of attractive features—namely its Price— so you can be assured your rent will come with a high standard of living.

Things you’ll love

  • Less expensive
  • More space
  • Dishwasher

Great for

  • Eco living
  • Pet owners

Floor plans

3x2 60% TC3 bed2 bath1,069 sqft$1,400 /mo2 units availableThis is a three-bedroom two bath apartment. This Apartment includes a balcony with storage closet, full size washer and dryer and a fully equipped kitchen with built in microwave. The apartment is all electric and the resident is responsible for the electric service. Floor coverings are faux wood tile flooring and the bedrooms are carpeted. Cornerstone Apartments are located in Mills, WY at the intersection of Natrona Ave. and Poison Spider Rd. Phone us at 307-265-4600 or visit us at https www beacon cc cornerstonemills html We offer convenient on-line rental payments, professional management and maintenance services. Income guidelines apply and are dependent on the number of household members. Student restrictions apply to each household member please visit our website for additional information.

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Amenities for Cornerstone Mills Apartments

Appliances

DishwasherDishwasher, Refrigerator & Stove
In-Unit Laundry

Building

Cats OKDogs OK

Grounds

Garage ParkingOff Street Parking and Garage

Services

Water, Sewer & Trash
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.

Policies and fees

Applicants

Applicants

One-time.

Contact Property

REQUIRED FEES

Security Deposit

One-time. Refundable.

Contact Property

Parking Policy

Garage Parking

Dog Policy

Allowed
Limit1

Cat Policy

Allowed
Limit1

Questions about this property’s policies and fees?

Building details

Property details

Units66
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About Cornerstone Mills Apartments

HomeApartments in Mills Cornerstone Mills Apartments

Brand new 66-unit apartment community. Located in Mills, WY (a suburb of Casper, Wyoming). One, Two, Three- and Four-bedrooms apartments. Apartments include a balcony/patio with storage closet, full size washer and dryer and a fully equipped kitchen with built in microwave. The apartments are all electric and the resident is responsible for the electric service. Floor coverings are faux wood tile flooring, and the bedrooms are carpeted. A large playground and garages are also found at Cornerstone. Cornerstone Apartments are located in Mills, WY at the intersection of Natrona Ave. and Poison Spider Rd. Call today to schedule a tour or see more at (3W’s) beacon cc cornerstonemills html


Zumper Expert Rating

Our expert rating is based on a weighted average score of property attributes that renters care about most: price, amenities, location, quality, and trust.
8.3
/10
Very Good
With a solid 8.3 out of 10 overall, Cornerstone Mills Apartments is a great option for renters. While some aspects, like Quality, might not be as distinguished as other properties nearby, Cornerstone Mills Apartments has a number of attractive features—namely its Price— so you can be assured your rent will come with a high standard of living.
How we rated Cornerstone Mills Apartments
Price·9A score that weighs the cost and location of the property, which we calculate by comparing rent prices of recent units to the median price of nearby rentals, adjusting for overall quality and features.
Cornerstone Mills Apartments stands out with a remarkable rating of 9/10 for its cost per bedroom compared to other rentals in the area. Considering the excellent balance between price, convenience, and comfort that it provides, residents enjoy a high-quality living experience.
Amenities·9A score based on the amenities offered at this property compared to other rentals in the area. We consider the quantity, quality, and popularity of features both on site and within the units.
Cornerstone Mills Apartments goes above and beyond to provide sought-after conveniences and desirable perks, including pets allowed. Renters looking for popular or luxurious features will find them here—and for that reason, Cornerstone Mills Apartments receives one of the highest amenities scores.
Location·9A score based on proximity and ease of access to shops, restaurants, schools, and public transportation while considering the desirability of the area.
Cornerstone Mills Apartments is exceptional when it comes to location and conveniences. Communication with management or leasing staff is usually quick and easy and they often use advanced scheduling and communication tools to streamline the process. The location of this property offers easy access to popular points of interest in the area and options for getting around.
Quality·6A score based on what makes the property stand out, such as luxury features, unique offerings, age of the building, and our ability to verify the accuracy of these details.
While Cornerstone Mills Apartments does not have many hallmark characteristics to highlight, it has some qualities and features that will resonate with a broad range of renters.
Trustworthiness·8A score based on the accuracy, completeness, recency, and usefulness of the information provided by this property, so you can trust that what you see is what you get.
The level of transparency this property provides distinguishes it as a great rental. With a high attention to detail and desirable features, renters can be sure they will get an accurate picture of their potential new home.

Reviews from the web

Showing 1 highest rated

Beautiful better built

Tess Hyatt

Tess Hyatt

Nov 16, 2023

We’re sharing just 1 of many, sorted highest to lowest. Visit the Google business profile to view all reviews.

Cornerstone Mills Apartments is great for:

Eco living

  • Public transit available nearby
  • On-site recycling or composting options
  • You can get around by foot in this area
  • 3 parks within a mile

Pet owners

  • 2 pet hospitals in the area
  • Tile, vinyl or hardwood floors
  • 2 pet grooming services nearby
  • 3 pet supply stores near the property

Property highlights

We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.

How Cornerstone Mills Apartments compares to other nearby properties.

Positives

Less expensive
The 2-bedrooms are cheaper than other similar listings nearby
More space
The 2-bedroom is 84 sqft larger than other listings nearby
Dishwasher
Dishwasher available in kitchen
Images Available
There are at least 10 photos of this address

Considerations

Greater distance from grade schools
The nearest elementary school is farther than 1 mile away

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Rent trends in Mills

3-bedroom apartments at Cornerstone Mills Apartments cost about 3% less than the average rent price for 3-bedroom apartments in Mills.

Median rents as of May 9 2026.
Mills
A table of 2-bedroom apartment rental data trends in Mills
MonthMedian Rent
September 2024$1,525
October 2024$1,600
March 2025$1,100
April 2025$1,100
May 2025$1,010
June 2025$1,030
July 2025$1,600
December 2025$1,047
February 2026$1,525
March 2026$1,131
April 2026$1,015
May 2026$1,005

Affordability calculator

Can I afford to live at 4160 Poison Spider Rd?

Bedrooms

3 bedrooms

Rent-to-income ratio

30%

Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income

$56,000/yr

With your selected rent-to-income ratio, you'd ideally want to make $56,000 annually to afford this 3-bedrooms monthly rent price of $1,400.
For more information on rent affordability, visit our rent calculator.

Schools near Cornerstone Mills Apartments

Paradise Valley Elementary School

22 magnolia

casper, WY, 82604

K-5Public
B+

Journey Elementary School

2014 hickory st

casper, WY, 82604

PK, K-5Public
C

Cottonwood Elementary School

1230 west 15th st

casper, WY, 82604

PK, K-5Public
C

Ft. Caspar Academy

4100 west 38th st

casper, WY, 82604

K-5Public
A-

Southridge Elementary School

1600 west 29th st

casper, WY, 82604

K-5Public
B-
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Internet available near Cornerstone Mills Apartments

Getting around Mills near 4160 Poison Spider Rd

Walking

3/10
Fewer daily needs are within walking distance (unless you’re up for a challenge).

Driving

8/10
Commuting is easy with multiple accessible routes and plenty of parking.

Cycling

4/10
More spots are within biking distance and some roads are cyclist-friendly.

Points of interest for 4160 Poison Spider Rd, Mills

Groceries

0/10
No grocery stores within walking distance

Shopping

3/10
Some shops within walking distance

Cafes

6/10
Some cafés within walking distance

Restaurants

4/10
Some restaurants within walking distance

Primary schools

0/10
No elementary schools within a 30-minute walk

High schools

0/10
No high schools within a 30-minute walk

Nightlife

2/10
Few or no bars within walking distance

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