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Top-Rated Architects in Cos Cob - Updated Nov 2026

Avatar for ZS Design Architect
ZS Design Architect
5.0(
13
)
ArchitectArchitect - For BusinessDesigner - Building+1 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1994

Credit card accepted

Customers say: True professional

"Zach did plans for 2 homes for me and he did a wonderful job. One was a complete tear down and rebuild. He was meticulous with details and has true design talent. I would hire him again in a minute."
Finished Kitchen
After front elevation
After Front View
After front view
Existing ugly duckling front view

+88

Response time12 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Cutler Architects
Cutler Architects
5.0(
10
)
Draftsperson/CADDArchitectDesigner - Building+1 more

Serving Cos Cob, CT and surrounding areas

Approved

Customers say: True professional

"Doug & Zachary have helped up multiple time on projects, Always making it seamless with all our needs for Building & Zoning!!! Highly Recommend. DOUGLAS CUTLER ARCHITECTS Rick j"
French Colonial
Modern Modular
Gambrel Colonial
Rye Beach Shingle
Mystic Shingle

+190

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Lasting Strength
Lasting Strength
5.0(
46
)
Designer - Building

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1994

Free estimates

Customers say: Quick response

"The carpenter that did the job (Adam) was amazing. He had to expand the space for one window, narrow the space for another, and repair much cedar siding that had rotted away due to water damage. He also reshaped my patio door so it would close and lock more easily. He is a very talented carpenter and I have no qualms about highly recommending him."
tv cabinet built in
shower
wine cellar
built in
pergola

+116

Response time4 days
Response rate100%
5 neighbors recently requested a quote
Avatar for AI Art and Design
AI Art and Design
5.0(
7
)
Designer - Building

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2022

Small jobs welcome

Offers commercial services

"We hired Ion and AI Art and design after lengthy process with many others. He showed a high understanding of design and a sensitive. He designed and took us through the whole process with other professionals in the design and construction phases. It was a pleasure seeing everything coming together. The house looks spectacular. We highly recommend working with AI and Ion on your project."
Dusk
Bathroom Remodel.
Bathroom Remodel.
Bathroom Remodel.
Bathroom Remodel.

+12

Response time1 day
Response rate100%
9 neighbors recently requested a quote
Avatar for Gil Mill Custom Homes
Gil Mill Custom Homes
5.0(
9
)
Designer - Building

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2012

Free estimates

Small jobs welcome

"When I moved into my home, I knew I needed help with everything from organizing and decorating to selecting paint colors and creating a space that felt cohesive and welcoming. What I didn’t expect was how much of an impact Abigail would have on my family’s life. She has an incredible eye for design and organization, but what truly sets her apart is her ability to transform a house into a home. She listened carefully to what was important to me, worked within my style, and helped create spaces that are both beautiful and functional for my family. Throughout the entire process, she was professional, patient, creative, and genuinely invested in helping us create a home we love. Her talent is remarkable, but she’s also simply a wonderful person to work with. I am incredibly grateful for everything she has done and cannot recommend her highly enough. If you’re looking for someone to help organize, decorate, redesign, or bring new life to your home, you will be in excellent hands."
Work Examples
Work Examples
Work Examples
Work Examples
Work Examples

+74

Response time1 day
Response rate97%
Recommended by87%of homeowners
Avatar for Roger Greenwald Architect
Roger Greenwald Architect
4.0(
13
)
ArchitectDesigner - BuildingArchitect - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1987

Offers commercial services

Customers say: True professional

"Roger is a gentleman and a professional of the highest caliber. My wife and I are building a home in North Stonington, CT and hired a virtual architect 2 years ago to design our home. After $5,000, and 3 months, we were left with what felt like an intern-level deliverable. We swore that the next time we used professional services, we would find someone who had experience in the industry, knowledge of the area, and the passion for building a young families dream home, not just processing work. We found all of those things in Roger and could not be happier with his work or his kindness as a person. I am now in the budgeting phase and am sending out Rogers drawings for contractors to quote, and the first thing every one of them says is I have not heard of this Greenwald guy but he does damn good work. It inspires my wife and I to know that we were in such capable hands."
New Home Lake Residence
Custom Home
Lakeside House Bathroom
Addition to 1923 Tudor House
Family Room/Master Bedroom Addition

+10

Response time1 day
23 neighbors recently requested a quote
Recommended by41%of homeowners
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Showing 1-10 of 264
Architects FAQs, answered by experts

Structural engineers draw structural plans, which include detailed drawings of the structural components of a home only. Complete house plans will require additional work from an architect or draftsperson, whose drawings will take the structural drawings into account. They’ll also include more details about the finishing materials and layout of a home, including everything from roofing and flooring materials to the position of furniture, light fixtures, switches, and plumbing fixtures.

The essential difference between an architect and an engineer is that architects typically focus more on the aesthetic design of buildings, although not without consideration for the structural integrity of the building. Engineers focus more on the structural, technical, and practical aspects of whether and how an architectural design can be built as drawn. You may need to hire both types of professionals if you’re designing and building a new home.

You should have an architect involved in your project from the very beginning. They’ll be able to direct your vision into workable plans, and they can advise you on potential problems right from the start. You may be able to save money by not using an architect, but larger projects will go much more smoothly with an experienced pro directing the process.

The process involves initial consultation, concept development, detailed planning, regulatory approvals, and integration of contractor work for project execution.

Regular meetings, reviewing drafts, and providing input on materials help align the project with your vision.

The Cos Cob, CT homeowners’ guide to architectural services

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