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Cecilia home (Arch Design)

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Why this pro?

This pro has been in business for 5 years and offers architectural, structural engineering, and technical design services. Customers say they're timely, professional, responsive, and clear communicators.

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About
We are a professional engineering firm specializing in structural design for load‑bearing wall removal, new construction, remodels, and foundations. In addition, our team provides full architectural services for additions, new builds, and renovations, offering a coordinated approach from concept to construction. We also design decks, pergolas, swimming pools, retaining walls, public sidewalks, and cell phone towers, with careful attention to safety, code compliance, and functionality. In business for 22 years with a dedicated team of 24, with professional civil engineer license (PE). We combine technical expertise with a personal touch—the company is proudly named after my daughter. If you’re planning a project and need reliable structural or architectural support, we’d be happy to discuss your ideas and next steps.
Overview

Hired 439 times

Serves Concord, CA

Background checked

7 employees

6 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Credit card, Venmo, and Zelle.

Social media

Facebook, Instagram

Top Pro status

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2025

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2024

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2023

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2022

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2021

Services offered
Project type

Repair

Remodel

Retaining wall

Addition attached

Services needed

Load bearing wall

Foundation

Interior support

Structural repair

Property type

Residential

Commercial

Projects and media
Projects and media
Reviews

Customers rated this pro highly for responsiveness, professionalism, and work quality.

Great 4.7

251 reviews

5

90%

4

3%

3

1%

2

1%

1

5%

Your trust means everything to us. Learn about our review guidelines.

Read reviews that mention:


pro avatar
Mad G.

May 13, 2026

Hired on Thumbtack

Cecilia home called us soon after we sent the request. He professionally explained and provided valuable advice for our issue. When we called him again after 2 days, he patiently clarified all our questions and gave us free idea. He is very knowledgeable and experienced. Really appreciated his help. We strongly recommend him and his team for anyone who needs structural engineering services.

Details: Retaining wall • Inspection of existing structure, repairs, or new construction • Residential

Structural Engineering Services
pro avatar
Dane C.

Feb 26, 2026

Hired on Thumbtack

I hired Cecilia and the team for a structural peer review on a residential beam and post project. They were responsive, professional, and easy to work with. Their review was clear and helpful, and they provided solid technical feedback that gave me confidence in the final design. Overall, a smooth and positive experience. I would gladly work with them again!

Details: Remodel • Load bearing wall and/or beam specifications • Interior support sizing • Residential

Structural Engineering Services
pro avatar
Kenan U.

4 days ago

Hired on Thumbtack

They came in time to take the measurements. The main reason I have asked for an analysis was due to some cracks I had on ceiling which they have identified the root cause.

Details: Inspection of existing structure, repairs, or new construction • Residential

Structural Engineering Services
pro avatar
Joanne D.

Sep 27, 2025

Hired on Thumbtack

Mason was amazing. He provided exactly what I needed at a great value. He was kind, caring and professional. He was also quite responsive and clear in his communication. He delivered the project promptly as well. I will be hiring Mason for all my structural engineering needs.

Details: Addition not attached to building or residence • Residential

Cecilia home (Arch Design)'s reply
Hi Joanne, thank you for your kind review. We truly appreciate it and look forward to working with you on future projects.
Structural Engineering Services
pro avatar
Arturo s.

Jun 5, 2025

Hired on Thumbtack

I really appreciate the honesty on them, I was concerned about some cracks that have developed over the last few years on my house and I called them for a foundation inspection. He explained that this arent worrysome based on their nature and in fact are pretty common on the bay area due to soil and left it up to me whether to still get a the inspection done or not. Thank you so much!

Details: Need professional’s help to identify needs • Residential

Structural Engineering Services
Credentials
Background Check

Lei Zheng