Commercial Engineering

Our breadth of expertise in commercial projects allows us to identify the key factor to successful delivery of the project. As our foundation was built on developing a scope of services that is tailored to each specific project, we coordinate and work closely with other professionals to provide high quality, cost-effective and practical engineering solutions.

Residential Engineering

Our team of highly-qualified engineers takes pride and ownership in planning, design, documents processing and construction of residential development projects. We understand client needs and time constraints that are typically carried by these types of projects. We are well known in the region and our relationships with public agencies have been proven to help us and our clients to move the projects forward smoothly and keep the schedule on track.

Land Surveying

From performing boundary and topography surveys to preparing maps to staking the construction sites, Yamabe & Horn provides all the surveying services our Clients need. Systematic and responsive are the key elements our survey staffs possess and has been proven to result in successful projects and satisfied Clients.


Gary Horn, PE
President, Founder
Since 1979, Gary has been providing local city municipalities with a broad range of Civil Engineering and Land Surveying.

Brandon Broussard, PE
Principal Engineer
Brandon provides project guidance for residential, agricultural and military projects while overseeing the Traffic Design services provided by Y&H staff.

David Horn, PE, LS, CASp
Principal Engineer
David is a Licensed Land Surveyor and oversees all surveying services provided by office and field staff. As a Certified Access Specialist (CASp) David also serves local small business’ in guidance to increase accessibility and reducing risk of ADA lawsuits.

Philip Romero, PE, QSP/QSD
Principal Engineer
Philip serves many private developers looking to develop commercial or multi-family projects.

Josh Rogers, PE
Principal Engineer
Josh serves the City of Sanger as their City Engineer. He provides input to our team of City Engineers regarding numerous government regulations.

Jerry Jones, PE
Principal Engineer
Jerry serves as the City Engineer for the cities of Kerman and Chowchilla. He also provides oversite for pump design, water system networks, and Federally Funded capital improvement projects.

Recent Blog


  • I have found that this firm has very good working relationships with the agencies and municipalities that we work in, which goes a long way to head off or resolve problems.

    Leland Parnagian Fowler Packing