Custom and Standardized Engineering Services in and Around Northern California 

Pool Engineering




Lenehan Engineering offers swimming pool engineering plans ranging from standard in-ground pools to complex pier supported swimming pools. For typical pool construction, we offer a standard plan with 19 details to cover standard construction. We rely on our extensive experience in geotechnical and structural engineering to produce custom plans for pier supported pools and other complicated projects.

Retaining Wall Engineering






Lenehan Engineering offers structural engineering for a variety of retaining walls including concrete, CMU, segmental (Keystone, Allan Block, among others), rockery walls, and pier-supported retaining walls. Our experience in Northern California allows us to provide the most efficient design for your project. 

Structural Engineering







Lenehan Engineering offers structural engineering for many outdoor structures including trellises, pavilions, pergolas, and fireplaces. We are adept at designing both steel and wood members to accommodate your preferences and design. 

Site Evaluations








We will evaluate your site-specific challenges and provide innovative solutions that meets the needs of your project. As soils engineers, we will evaluate the soil conditions and provide recommendations to keep your project moving forward. 

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