Plumbing project by LJ Construction in Sebastopol, CA Plumbing project by LJ Construction in Sebastopol, CA (photo 2)

LJ Construction Plumbing in Sebastopol, CA

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Your trusted partner in septic services and general engineering with over a decade of experience serving Northern California.

About LJ Construction

L.J. Construction is a trusted septic services and general engineering contractor serving the Northern California community with over a decade of experience. The company specializes in new septic system installations, septic repairs, routine pumping and maintenance, and comprehensive waste processing solutions for residential, commercial, agricultural, and industrial projects. With a commitment to quality, local expertise, and environmental responsibility, L.J. Construction provides 24-hour emergency service across Napa, Sonoma, Marin, Lake, and Mendocino counties. Their team handles everything from initial site evaluation and system design to specialized services such as winery waste processing, site preparation, and grading.

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