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We are celebrating our 100th anniversary!
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Brown Precast is a family owned business in its 5th generation and has been manufacturing concrete septic tanks for over 30 years and other precast concrete products since 1922.

We are your one stop shop for septic tanks and all septic system accessories serving Minnesota, Wisconsin, North Dakota, and South Dakota.

Brown Precast is your exclusive manufacturer for the Redi-Rock Retaining Wall system and PoleBase precast foundations serving the Midwest.

Minnesota Approved
Septic Tanks
Wisconsin Approved
Septic Tanks
5 Generations
Since 1922

About Us

Technical Information
Product Reference Guides