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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon202
    Verified landscaping services reviews

Top-Rated Landscapers in Cos Cob - Updated Nov 2026

Avatar for BJA Bros Landscaping Service, LLC
BJA Bros Landscaping Service, LLC
5.0(
48
)
Lawn Care - Maintain and Mow a Lawn

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2018

Free estimates

Small jobs welcome

"I am a new customer with BJA Bros. So far everything has been great. My lawn is being well maintained, the clean-up after the lawn has been cut is exactly what I've been looking for, and the communication has been smooth. I've been searching for a competent landscaping company for awhile and I may have found the right one. Hoping this partnership continues to be a great one."
Plantation
Plantation
Plantation
Hay & Seed
Hay & Seed

+24

Response time1 day
Recommended by97%of homeowners
Avatar for Ron's Masonry
Ron's Masonry
5.0(
30
)
Lawn & Yard Waste Clean UpLandscape - Soil, Sand, Mulch and Rock DeliveryLawn Care - Maintain and Mow a Lawn+7 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1995

Emergency services offered

Small jobs welcome

"Ron and his assistant arrived on time to do some fall cleanup landscaping at my house. What would have taken me three days to do, plus hauling away the debris, took them under two hours. It was the very best money I ever spent - more so because I got to meet such lovely people, but also because they helped me a great deal. I will be calling them in the spring for a clean up and masonry work."
Walkway
Steps
Footing
Walk
Walk

+36

Response time1 day
Response rate86%
27 neighbors recently requested a quote
WHITE GARDEN DESIGNS
5.0(
5
)
Landscape - Install Landscaping for Yard or GardenArchitect - LandscapeDesigner - Landscape+10 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2002

Free estimates

Offers commercial services

"White Garden Designs is the Best!! I have used him for at least 10 years now and nobody cares more or is more detail oriented than Charlie. I have recommended him and his company to dozens of friends and everyone was as pleased as I am. They always show up on time and if there is ever a problem (which I haven't had) they will always make it right. He takes pride in his work and it shows. He also is a Koi pond specialist, designing and maintenance. This man does it all. He is the go to guy for all your landscaping and pond needs."
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Greenscape Lawn Care
Greenscape Lawn Care
5.0(
10
)
Architect - LandscapeDesigner - LandscapeDrywell - Construct or Rebuild+8 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2023

Free estimates

Customers say: True professional

"Jorge and crew from Greenscape Lawn Care provided excellent customer service including prompt & friendly communication, fair and upfront pricing, & efficient completion of the project. Jorge listened to my vision and was dedicated to making my vision to come to life. He provided quick digital mockups of my design using pictures of my space. It was the best way to determine the details of my design preferences. The team provided helpful feedback of my design through the whole process. Their quality of work is gold standard, they do not cut corners on any detail. Their work ethic is excellent and their dedication to a projects success is apparent at every step of the process. We are so happy with our new space and receive compliments on it daily from our neighbors and friends."
Landscaping Project
Landscaping Project
Landscaping Project
Landscaping Project
Landscaping Project

+26

Response time1 day
Recommended by100%of homeowners
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Landscaping FAQs, answered by experts

Don’t worry if there’s a gap between cutting and planting an ideal branch. You can still cut the perfect branch when you see it. If you can’t get it in a pot or water right away, put it in a zip-top bag in the refrigerator. When you’re ready to finish the process, make a fresh cut.

Yes, landscaping costs are generally a worthwhile investment that can increase your property value. Landscaping can boost your home's value by up to 30% by improving its curb appeal, which can help it sell faster and for a higher price. Specific projects have a high return on investment (ROI); for example, revamping a front walkway can offer a 100% ROI, while a pristine, well-manicured lawn can deliver an impressive 217% ROI. In addition to the financial returns, you also get to enjoy the improvements, especially with features like an outdoor living area.

Yes, such as sod installation and erosion control for comprehensive site improvement.

A full backyard renovation can cost between $15,000 and $50,000, depending on the scope of the project. Excavation, materials, and labor costs all contribute to the final cost of updating your outdoor spaces, and expensive features like a pool, a fence, or hardscaping carry a high price tag.

How much 4 yards of dirt will cover depends on how deep you want the soil to be. In general, a yard of dirt will cover 324 square feet for a 1-inch depth or 100 square feet for a 3-inch depth. Therefore, you can expect 4 yards to cover between 400 and 1,296 square feet if you keep your soil depth between 1 and 3 inches.

The Cos Cob, CT homeowners’ guide to landscaping services

From average costs to expert advice, get all the answers you need to get your job done.