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24 companies listed · 14 in Simi Valley · 9 open weekends · 21 rated 4.5+ · 8 show a license
Data verified October 18, 2026
Listed for homeowners in and around Simi Valley, CA, these 24 companies build and rebuild retaining walls. Wall types, materials and hours are what each company publishes for itself, and the ratings and quoted lines are drawn from public reviews.
Of the 24 companies we list here, 14 are in Simi Valley itself and 10 come from Sun Valley (4, 21 mi), Valley Glen (3, 20 mi) and Valley Village (2, 21 mi). The companies on this page are rated from 4.2 to 5.0 across 464 reviews; 2 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (98%), quality (94%) and responsiveness (78%). 6 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are bathroom remodeling (2), flooring (2), kitchen remodeling (2) and roofing (2). 8 show a license on their websites; 1 lists staff certifications (LEED) and 2 have a BBB rating of A or A+. Domain records put 18 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 1 offers financing or payment plans; 6 give free estimates; 6 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
A website link sits on all 24 wall builders here. A photograph of a finished wall tells you very little, because everything that fails is behind the face. Look for pictures taken mid-build instead: the base trench, the drainage stone going in, the grid rolled out between courses. A company that photographs that stage is proud of the right part.
