LANDSCAPING PROFESSIONALS

Castle Rock’s Trusted Landscaping Experts

Colorado's Greenest Thumb LLC creates and maintains beautiful outdoor spaces for Castle Rock homeowners with care and local know-how.

★★★★★4.8
— rated by 98+ customers on Google

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Colorado's Greenest Thumb LLC team at work
ABOUT US

About Colorado's Greenest Thumb LLC — Castle Rock, CO

Colorado's Greenest Thumb LLC has been providing professional landscaping services in Castle Rock for over a decade. Rooted in this community, we focus on designing elegant outdoor living areas that increase home value and curb appeal. Whether starting a yard from scratch or enhancing existing spaces, we balance creativity with practical know-how. Our full yard maintenance keeps your landscape looking its best year-round.

Work With Us →
🌿

Licensed & Insured

Fully licensed and insured for your peace of mind.

On-Time Guarantee

We show up when we say we will, every time.

4.8-Star Rated

98+ five-star reviews on Google.

🌱

Eco-Friendly

Low-impact products that protect your family, pets, and lawn.

OUR SERVICES

Landscaping Services in Castle Rock, CO

View All Services
Landscape Design

Landscape Design

Custom plans to create elegant, functional outdoor living spaces from the ground up.

Yard Renovation

Yard Renovation

Enhancing and updating existing landscapes to improve beauty and usability.

Sprinkler Services

Sprinkler Services

Installation, repair, and seasonal blowouts to keep irrigation systems running efficiently.

OUR WORK

Recent projects
we're proud of

Project 1
Project 2
Project 3
Project 4
Project 5
Project 6
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Our process
98+
Happy customers in Castle Rock
HOW IT WORKS

Simple process, beautiful results

01

Consultation

We walk the property with you, listen to what you want, and outline the best approach — completely free.

02

Design & Quote

You receive a detailed, itemized quote within 24 hours. No hidden fees, no surprises.

03

Installation

Our licensed crew arrives on schedule and transforms your yard with precision and care.

04

Ongoing Care

We walk you through the finished work and set up maintenance so your yard stays beautiful year-round.

REVIEWS

What our customers say

A
Ashley Dale
Castle Rock, CO
★★★★★

We had an amazing experience working with Colorado’s Greenest Thumb! A few months ago, he transformed our dirt backyard into a beautiful, functional space that our dog, toddler, and the rest of our family can truly enjoy. He laid new grass, installed edging and rock, and even created a small patio area that’s perfect for relaxing outside. He took care of all the HOA paperwork for us, which made the process so easy, and he completed the job on time and exactly as promised. The whole experience was smooth, professional, and stress-free. Our backyard has become one of our favorite parts of the house thanks to his work. We highly recommend Colorado’s Greenest Thumb to anyone looking to turn their yard into a beautiful, family-friendly outdoor space!

N
Nick K
Castle Rock, CO
★★★★★

I worked with Ben and he was great! He was able to blow out my sprinklers in less than 15 minutes at half the price than other competitors. Very happy in my decision to go with Colorado’s Greenest Thumb and will be calling them again soon!

E
Emma Milinkov
Castle Rock, CO
★★★★★

I’m not one to leave a review however Ben and his team are great! They replaced all our sprinklers, laid mulch and blew out our sprinklers. Fair price and great work.

J
James Groth
Castle Rock, CO
★★★★★

We had a great experience working with Ben. He gave us a very reasonable estimate, was flexible with scheduling, and provided plans and a contract very quickly. He was also able to answer questions and make changes from our HOA in a timely manner. We're in a new build, so he transformed our rectangle of dirt and weeds into a beautiful lawn with decorative rocks and flowers, plants, and trees that will support and attract pollinators. He communicated any changes or weather delays right away and they were here every morning like clockwork until the job was done. We'll absolutely have them back for sprinkler maintenance and future landscaping improvements.

A
Ashley Dale
Castle Rock, CO
★★★★★

We had an amazing experience working with Colorado’s Greenest Thumb! A few months ago, he transformed our dirt backyard into a beautiful, functional space that our dog, toddler, and the rest of our family can truly enjoy. He laid new grass, installed edging and rock, and even created a small patio area that’s perfect for relaxing outside. He took care of all the HOA paperwork for us, which made the process so easy, and he completed the job on time and exactly as promised. The whole experience was smooth, professional, and stress-free. Our backyard has become one of our favorite parts of the house thanks to his work. We highly recommend Colorado’s Greenest Thumb to anyone looking to turn their yard into a beautiful, family-friendly outdoor space!

N
Nick K
Castle Rock, CO
★★★★★

I worked with Ben and he was great! He was able to blow out my sprinklers in less than 15 minutes at half the price than other competitors. Very happy in my decision to go with Colorado’s Greenest Thumb and will be calling them again soon!

E
Emma Milinkov
Castle Rock, CO
★★★★★

I’m not one to leave a review however Ben and his team are great! They replaced all our sprinklers, laid mulch and blew out our sprinklers. Fair price and great work.

J
James Groth
Castle Rock, CO
★★★★★

We had a great experience working with Ben. He gave us a very reasonable estimate, was flexible with scheduling, and provided plans and a contract very quickly. He was also able to answer questions and make changes from our HOA in a timely manner. We're in a new build, so he transformed our rectangle of dirt and weeds into a beautiful lawn with decorative rocks and flowers, plants, and trees that will support and attract pollinators. He communicated any changes or weather delays right away and they were here every morning like clockwork until the job was done. We'll absolutely have them back for sprinkler maintenance and future landscaping improvements.

A
Ashley Dale
Castle Rock, CO
★★★★★

We had an amazing experience working with Colorado’s Greenest Thumb! A few months ago, he transformed our dirt backyard into a beautiful, functional space that our dog, toddler, and the rest of our family can truly enjoy. He laid new grass, installed edging and rock, and even created a small patio area that’s perfect for relaxing outside. He took care of all the HOA paperwork for us, which made the process so easy, and he completed the job on time and exactly as promised. The whole experience was smooth, professional, and stress-free. Our backyard has become one of our favorite parts of the house thanks to his work. We highly recommend Colorado’s Greenest Thumb to anyone looking to turn their yard into a beautiful, family-friendly outdoor space!

N
Nick K
Castle Rock, CO
★★★★★

I worked with Ben and he was great! He was able to blow out my sprinklers in less than 15 minutes at half the price than other competitors. Very happy in my decision to go with Colorado’s Greenest Thumb and will be calling them again soon!

E
Emma Milinkov
Castle Rock, CO
★★★★★

I’m not one to leave a review however Ben and his team are great! They replaced all our sprinklers, laid mulch and blew out our sprinklers. Fair price and great work.

J
James Groth
Castle Rock, CO
★★★★★

We had a great experience working with Ben. He gave us a very reasonable estimate, was flexible with scheduling, and provided plans and a contract very quickly. He was also able to answer questions and make changes from our HOA in a timely manner. We're in a new build, so he transformed our rectangle of dirt and weeds into a beautiful lawn with decorative rocks and flowers, plants, and trees that will support and attract pollinators. He communicated any changes or weather delays right away and they were here every morning like clockwork until the job was done. We'll absolutely have them back for sprinkler maintenance and future landscaping improvements.

A
Ashley Dale
Castle Rock, CO
★★★★★

We had an amazing experience working with Colorado’s Greenest Thumb! A few months ago, he transformed our dirt backyard into a beautiful, functional space that our dog, toddler, and the rest of our family can truly enjoy. He laid new grass, installed edging and rock, and even created a small patio area that’s perfect for relaxing outside. He took care of all the HOA paperwork for us, which made the process so easy, and he completed the job on time and exactly as promised. The whole experience was smooth, professional, and stress-free. Our backyard has become one of our favorite parts of the house thanks to his work. We highly recommend Colorado’s Greenest Thumb to anyone looking to turn their yard into a beautiful, family-friendly outdoor space!

N
Nick K
Castle Rock, CO
★★★★★

I worked with Ben and he was great! He was able to blow out my sprinklers in less than 15 minutes at half the price than other competitors. Very happy in my decision to go with Colorado’s Greenest Thumb and will be calling them again soon!

E
Emma Milinkov
Castle Rock, CO
★★★★★

I’m not one to leave a review however Ben and his team are great! They replaced all our sprinklers, laid mulch and blew out our sprinklers. Fair price and great work.

J
James Groth
Castle Rock, CO
★★★★★

We had a great experience working with Ben. He gave us a very reasonable estimate, was flexible with scheduling, and provided plans and a contract very quickly. He was also able to answer questions and make changes from our HOA in a timely manner. We're in a new build, so he transformed our rectangle of dirt and weeds into a beautiful lawn with decorative rocks and flowers, plants, and trees that will support and attract pollinators. He communicated any changes or weather delays right away and they were here every morning like clockwork until the job was done. We'll absolutely have them back for sprinkler maintenance and future landscaping improvements.

A
Ashley Dale
Castle Rock, CO
★★★★★

We had an amazing experience working with Colorado’s Greenest Thumb! A few months ago, he transformed our dirt backyard into a beautiful, functional space that our dog, toddler, and the rest of our family can truly enjoy. He laid new grass, installed edging and rock, and even created a small patio area that’s perfect for relaxing outside. He took care of all the HOA paperwork for us, which made the process so easy, and he completed the job on time and exactly as promised. The whole experience was smooth, professional, and stress-free. Our backyard has become one of our favorite parts of the house thanks to his work. We highly recommend Colorado’s Greenest Thumb to anyone looking to turn their yard into a beautiful, family-friendly outdoor space!

N
Nick K
Castle Rock, CO
★★★★★

I worked with Ben and he was great! He was able to blow out my sprinklers in less than 15 minutes at half the price than other competitors. Very happy in my decision to go with Colorado’s Greenest Thumb and will be calling them again soon!

E
Emma Milinkov
Castle Rock, CO
★★★★★

I’m not one to leave a review however Ben and his team are great! They replaced all our sprinklers, laid mulch and blew out our sprinklers. Fair price and great work.

J
James Groth
Castle Rock, CO
★★★★★

We had a great experience working with Ben. He gave us a very reasonable estimate, was flexible with scheduling, and provided plans and a contract very quickly. He was also able to answer questions and make changes from our HOA in a timely manner. We're in a new build, so he transformed our rectangle of dirt and weeds into a beautiful lawn with decorative rocks and flowers, plants, and trees that will support and attract pollinators. He communicated any changes or weather delays right away and they were here every morning like clockwork until the job was done. We'll absolutely have them back for sprinkler maintenance and future landscaping improvements.

A
Ashley Dale
Castle Rock, CO
★★★★★

We had an amazing experience working with Colorado’s Greenest Thumb! A few months ago, he transformed our dirt backyard into a beautiful, functional space that our dog, toddler, and the rest of our family can truly enjoy. He laid new grass, installed edging and rock, and even created a small patio area that’s perfect for relaxing outside. He took care of all the HOA paperwork for us, which made the process so easy, and he completed the job on time and exactly as promised. The whole experience was smooth, professional, and stress-free. Our backyard has become one of our favorite parts of the house thanks to his work. We highly recommend Colorado’s Greenest Thumb to anyone looking to turn their yard into a beautiful, family-friendly outdoor space!

N
Nick K
Castle Rock, CO
★★★★★

I worked with Ben and he was great! He was able to blow out my sprinklers in less than 15 minutes at half the price than other competitors. Very happy in my decision to go with Colorado’s Greenest Thumb and will be calling them again soon!

E
Emma Milinkov
Castle Rock, CO
★★★★★

I’m not one to leave a review however Ben and his team are great! They replaced all our sprinklers, laid mulch and blew out our sprinklers. Fair price and great work.

J
James Groth
Castle Rock, CO
★★★★★

We had a great experience working with Ben. He gave us a very reasonable estimate, was flexible with scheduling, and provided plans and a contract very quickly. He was also able to answer questions and make changes from our HOA in a timely manner. We're in a new build, so he transformed our rectangle of dirt and weeds into a beautiful lawn with decorative rocks and flowers, plants, and trees that will support and attract pollinators. He communicated any changes or weather delays right away and they were here every morning like clockwork until the job was done. We'll absolutely have them back for sprinkler maintenance and future landscaping improvements.

FAQ

Frequently Asked Questions

We offer new landscape builds, yard renovations, full landscaping maintenance, sprinkler services, and seasonal cleanups. Contact us today for a free estimate and to discuss your project.

To request a free quote, simply call us, visit our website, or fill out the contact form. We proudly serve Castle Rock and nearby areas and will respond promptly.

With a 4.8-star rating across 98 Google reviews, customers consistently praise our timely work, fair pricing, and the beautiful transformations we deliver.

We primarily serve Castle Rock and surrounding communities including Castle Pines and nearby neighborhoods.

Yes, we offer free estimates and consultations. Schedule yours by calling or contacting us online today.

GET STARTED

Ready to love your yard?

Get a free landscaping quote for your Castle Rock property — no pressure, no hassle.

CONTACT US

Let's talk about your project

Have a project in mind? Fill out the form and we'll get back to you with a custom quote — usually same day.

📞
(720) 319-2680
Mon–Sat, 7am–6pm
📍
Castle Rock, CO
Licensed in CO

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We'd love to hear about your project.

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