Not an architect. Better than an architect. One stop design and engineering solutions. Serving Long Beach and the surrounding areas since 2015.


With over 15 years of experience designing and engineering Accessory Dwelling Unit’s (ADUs), home additions, beams for load bearing wall removals, custom homes, home remodels, freestanding fences, garages, patio covers, retaining walls, swimming pools, and other residential projects OROHAUS DESIGN is here to help.

Transform your home with expert design and engineering. Any project, any size. Orohaus Design is ready to bring your dream project to life.


Orohaus Design is led by Martin E. Ruvalcaba, P.E., with over 15 years experience in design and engineering. Orohaus is a unique firm because we offer all services in house. Why choose us? Design+Engineering in One. Save Time. Save Money.

Martin E. Ruvalcaba, P.E.