General Building

Geotechnical Engineering


Ground Improvement

General A & B Lic# 1025029

Jess Osmun 415-761-0054

Overview of Services

General A


Geotechnical Engineering

Soils and Foundation stabilization


Soil Nails and Tiebacks

Chemical Grouting

Polyurethane Grouting

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General B


If You Dream It ~ We Can Build It.
Whether a new build or remodeling we can create your vision of beauty.

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Above and Below


We give you the customer the opportunity to one stop shop. We can mange your hillsides and slopes. Repair and lift your home or business, as well as repair and remodel the insides when fixed.

General A

Osmun Construction


For over 25 years, the key members of this team have been solving geotechnical challenges in California's geotechnical market. From small leaks to big cracks, to tight access and low headroom conditions, we have the abilities and resources to solve your most complex challenges.

Our Mission Statement


 A company is only as good as the promises it keeps. 

We at Osmun Construction pride ourselves in performing for our customers with the highest level of quality construction services at fair and market competitive prices. To ensure the endurance of our company through repeat and referral business achieved by customer satisfaction in all areas including professionalism, attention to detail, honesty and integrity.

We are committed to Excellence.



Our Specialties


Permeation Grouting:  Chemical Grouting, foam and polyurethane, Acrylamide and cement grouting for the stabilization of sands and granular soils for excavation support and utility underpinning.

Compaction grouting:  For densification of loss cohesionless soils and structure leveling.

Waterproofing and Cutoff:  Sealing and chasing of cracks in basements and tunnels as well as cut off water intrusion.

Soil Support:  Tiebacks, Soil nails, Anchors.

Micro piles: Smaller diameter piles used for underpinning foundations and increasing structural load bearing capacity.

Void Grouting:  Filling and sealing of abandoned utilities and tunnels as well as voids beneath structures.

Helical Piers:  Are a steel shaft with helices, similar to a large screw, that provides a foundation support for various types of structures. The shaft is usually square and manufactured in 5 foot sections. Helical piers are often used when challenging soil conditions prohibit a traditional foundation system.

Geotechnical and Soil Stabilization

Working On The Edge


It's not the beauty of a building you should look at; It's the stabilization of the foundation that will stand the test of time.

The Beauty of Strenght


A helical anchor/pile is an extendable deep foundation system with helical bearing plates welded to a central steel shaft. Load is transferred from the shaft to the soil through these bearing plates.

Permeation Grouting


Chemical, foam, polyurethane, Acrylamide and cement grouting for the stabilization of sands and granular soils for excavation support and utility underpinning.

General B

It Starts With An Idea

Anything worth building takes time and dedication. Your dreams deserve nothing less.

It's Not Just Another Project, It's A Promise And A Passion We Live By

Starting a new project is always exciting.
It's building the future for people that become a part of our family and we treat you as such. Weather new build or remodel, we are there from frame to finish.

Osmun Construction

Simply having a dream is not enough.
It's taking steps with the right team that makes the all difference.

Making Your Dreams Come True


Kitchens Seasoned With Love

 Meals and Memories are Made here.


Soak it in…

Relax ~ Refresh ~ Renew
In your new beautiful bathroom design.


Geothechnical and Soil Stabilization

The start of any project
begins with a solid foundation.

Keeping in touch

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Contact Us

Osmun Construction

7430 Redwood Blvd Suite A Novato, California, United States

(415) 761-9739


Monday - Friday: 7am - 5pm


Sunday: Closed

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