Top-rated structural engineers.

Best structural engineers near Petaluma, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your structural engineering project in Petaluma, CA?

Select your specific project to find the pro for you.

Top-Rated Structural engineers in Petaluma - Updated Nov 2026

Avatar for Evolution Drafting
Evolution Drafting
3.7(
128
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Petaluma, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I am having a full master bath and kitchen remodel done with new layouts in both rooms and knocking out a wall. Evolution worked with me to quickly get a drawing done of the new layouts so that the contractor could get started on the project. They made sure to include me in the process so that the design would be done exactly as my wife and I envisioned. They communicated effectively throughout the process and were always courteous and professional. I recommend them to anyone with drafting needs."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
66 neighbors recently requested a quote
Avatar for Ogle Design
Ogle Design
4.9(
8
)
Architect - For Business

Serving Petaluma, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"It was such a great experience working with Will and his team at Ogle Designs. They helped us design a blueprint for creating additions to our house including designs for the inside and patio/landscape design We so impressed with Ogle Design's high level of professionalism, expertise and overall delivery of our project. They completed everything on time and within budget! Thanks for your excellent service."
Modern Deck
Modern Deck 2
Exterior Contemporary
Kitchen Island
Living Room

+14

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Fine Point Architecture & Planning Incorporated
Fine Point Architecture & Planning Incorporated
5.0(
5
)
ArchitectArchitect - For Business

Serving Petaluma, CA and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"Easy to work with, responsive and the ability to understand my specific needs. Good follow through including assistance in finding other great professionals to serve me such as engineers and surveyors."
Front entry
Schematic dining room 3D
Custom railing deisgn
Kitchen looking into addition
Pergola and water feature

+6

Response time4 hrs
Response rate100%
Recommended by60%of homeowners
Avatar for RPS Design
RPS Design
4.5(
11
)
Architect

Serving Petaluma, CA and surrounding areas

Approved

In business since 2003

Free estimates

Small jobs welcome

"Rob was great to work with. Understood needs, responsive, diligent, worked well with engineers and contractor. Would use again."
Manderly Entry
Prince Royal Before and After
D Ranch
Briggs Ranch Road
Kerry Lane

+227

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for M. Holz Design Studio
M. Holz Design Studio
5.0(
5
)
Draftsperson/CADD

Serving Petaluma, CA and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"Mary helped me with a new barn/adu design and also a second dwelling design. Sheâ s so easy to work with and made the process easy and streamlined. I highly recommend her!"
Front Entry
Back Deck
Dining Room
Main Residence and Barn
Kitchen

+20

Response time1 day
Response rate98%
Recommended by75%of homeowners
...
Showing 1-10 of 97
Structural Engineering FAQs, answered by experts

Accurate measurements, sturdy materials, and seamless integration with other structures.

In framing, studs are placed at 16-inch intervals to coincide with the typical spacing of wall materials such as drywall or plywood. This spacing is called "on-center" and is necessary for maintaining structural stability and efficient use of materials. The 16-inch spacing also helps to distribute the weight evenly across the building's structure. For those looking to cut material costs and improve energy efficiency, 24-inch stud spacing can be employed through a method called "advanced framing". This requires careful planning and adherence to local building codes to ensure structural integrity.

Stone, marble, and brick are common building materials of Neoclassical architecture, though you will also find wood flooring and a range of natural stone tiles. Since several home styles fall under Neoclassical architects' umbrella, a range of building materials—including traditional wood framing—will make an appearance.

The early stages of building a house are harder than the later stages; laying the foundation and framing the house are two of the most challenging steps. However, it varies for everyone. Some people have difficulty installing HVAC, plumbing, and electricity, while others find it harder to plan the house and secure the necessary permits. 

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.

The Petaluma, CA homeowners’ guide to structural engineering services

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