About | Thomas J. Costello Landscaping LLC
Family-Owned Business

LANDSCAPE PROJECTSIn Stamford, CT & Beyond

A Great Landscape Speaks For Itself
Hours: Closed - Opens 7:45 am

See What’s Possible for Your Outdoor Space

At Thomas J. Costello Landscaping LLC, we take pride in the work we do - from elegant hardscapes and lush gardens to complete outdoor living areas and functional lawn installations.

Our project gallery highlights a sample of the landscapes we’ve designed, installed, and maintained for homeowners and businesses across Stamford, CT and surrounding locations. Browse these examples to get inspiration and see how quality craftsmanship, thoughtful design, and professional execution come together.

From Seasn to Seasn. We do it all!

Featured Projects

Landscape Design & Installations
Masonry & Hardscape Work
Water Features & Outdoor Elements
Outdoor Living Spaces
Seasonal & Specialty Projects

Landscape Design & Installations

Beautifully planned outdoor spaces that balance plantings, walkways, and open lawn areas — designed to complement each property’s unique character.

Custom Planting Beds
Curved Walkways & Lawn Transitions
Seasonal Color Installations

Masonry & Hardscape Work

Functional and attractive hardscape features that elevate outdoor space and create gathering areas you’ll enjoy for years.

Patios and stone terraces
Retaining walls and sitting walls
Steps and entrance framing


Water Features & Outdoor Elements

Eye‑catching water design elements that add tranquility and visual interest to outdoor areas.

Ponds and waterfalls
Fountain installations
Integrated stone and landscape combinations

Outdoor Living Spaces

Inviting and purposeful outdoor areas designed for everyday use and social gatherings.

Custom patios and seating areas
Outdoor dining spaces
Fire features and integrated lighting

Seasonal & Specialty Projects

We handle a wide variety of additional landscaping features and enhancements.

Raised vegetable garden installations
Holiday décor and lighting displays
Lawn and plant health care improvements
Thoughtful design
Quality materials

Why Our Projects
Stand Out

Every project we complete reflects our commitment to:

Thoughtful design

We plan with purpose so your landscape looks cohesive and intentional.

Quality materials

We use durable products and materials chosen for performance and longevity.

Professional installation

Our experienced crew executes details with craftsmanship you can trust.

Client collaboration

We build projects around your needs, style, and budget.

These principles help ensure that every space we design and build continues to delight long after installation.

Get Inspired -
Then Get Started

Feeling inspired by our project gallery? Whether you already have a vision or need help shaping one, we’re ready to partner with you to make it a reality.

Call (203) 633‑3571 today to request your free estimate and discuss your upcoming landscaping project in Stamford, CT or nearby communities. We respond to all inquiries within one business day.

Request an Estimate

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Get Started With Your Landscaping Project