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Earthquake and Structures, Inc.
4.2(
49
)
Engineer - Structural

Serving Larkspur, CA and surrounding areas

Approved

In business since 1984

Emergency services offered

Warranties offered

"Mr. Paul showed up exactly on time, provided an inspection and assessment of my home project, was professional and knowledgeable, and answered all of my questions. He provided outstanding customer service, and I would highly recommend him. Excellent! M. Wolfe Oakland, CA ."
 New Home
 House on water
Addition to Existing Home
Hillside home on Piers
Community Center Retrofit

+6

Response time2 days
18 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Fredrick Stoenner Architecture
Fredrick Stoenner Architecture
4.1(
11
)
ArchitectArchitect - For Business

Serving Larkspur, CA and surrounding areas

Approved

In business since 1996

Credit card accepted

Offers commercial services

"Fred is a God send. His work is amazing he is the definition of professional. This is the best architect in Sacramento he helped me build Daddy Os Smokehouse the best bbq on Sacramento. I'm forrver grateful and I'd recommend Fred to anyone looking for architectural services. I've sent him to my close friend to help build his restaurant and he's doing a great job as well for them."
Response time10 hrs
Response rate95%
17 neighbors recently requested a quote
Avatar for Evolution Drafting
Evolution Drafting
3.7(
126
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Larkspur, 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%
68 neighbors recently requested a quote
StudioNorth
4.9(
7
)
Draftsperson/CADD

Serving Larkspur, CA and surrounding areas

Approved

In business since 2012

Customers say: Quick response

"Esther responded quickly to my inquiry, made me feel comfortable in determining what could be done with the space on a limited budget, offered many options and followed through with updates and contacts efficiently so that I had the best solutions and products available to complete the project."
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Hogan Land Services, Inc.
Hogan Land Services, Inc.
4.0(
38
)
Draftsperson/CADD

Serving Larkspur, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Due to a large crack in my ceiling, I thought I might have a structural issue. Hogan Land Services was prompt in sending someone out to take a look at the issue. After a quick inspection of the attic and crawl space, they determined there were no structural issues. Therefore, there was no need for a structural engineer. Here we are a couple years later and doors are not lined up, the crack in the ceiling continues to get longer and wider, and more cracks in the ceiling and walls. Hogan Land Services was quick to reply to my concerns, giving more information on what could be causing the issues I'm experiencing and what route to take to alleviate the issues."
High above the clouds
Costal work
Septic system
Soil evaluation
Hogan Projects

+6

Response time4 days
16 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for RPS Design
RPS Design
4.5(
11
)
Architect

Serving Larkspur, 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
2 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 Larkspur, 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
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Structural Engineering questions, answered by experts

You should avoid drilling or cutting into load-bearing beams because removing material will weaken it and increase the risk of structural damage or even collapse. If you do need to drill into a load-bearing beam, speak with a structural engineer first to discuss where it’s safest to drill and the width and depth of the bit that’s safe to use.

Water can seep into porous materials like wood beams, floor joists, and roof rafters within minutes, but they’ll need to see prolonged exposure before you have structural damage. Mold can start growing within 24 hours, and mold can eat away at the structural components over time. Wood rot is more of a concern, though. Wet and dry rot are fungal infections that set in in moist conditions and rapidly deteriorate wood, causing major structural damage within just a few months in some cases.

A 4-inch-thick concrete slab can support around 4,000 pounds per square foot if a contractor reinforces the slab with rebar, while that same slab without reinforcements will support closer to 1,000 pounds. For the purposes of a patio, 4 inches in thickness without reinforcement should suffice unless you’re installing heavy kitchen equipment or a hot tub on it. In those cases, reinforcing your slab and sticking with 4 inches of thickness should provide plenty of strength.

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.

The Larkspur, CA homeowners’ guide to structural engineering services

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