Basement Foundation Construction
COMPLETE BASEMENT FOUNDATION CONSTRUCTION
We build complete basement foundations for new homes and additions. The process includes excavation, soil analysis, footing installation (spread footings on undisturbed soil), poured concrete wall forming and pouring, anchor bolt and beam pocket installation, waterproofing membrane application, drain tile installation, and controlled backfill. All basement foundations meet Minnesota residential building code for frost depth, wall thickness, and reinforcement.
Starting at $20 per linear ft of wall
Key Highlights
Full-depth excavation
dig to basement depth plus working space for waterproofing and drain tile.
Reinforced poured walls
8-10 inch thick walls with horizontal and vertical rebar per engineering specifications.
Waterproofing systems
exterior membrane, drain tile, and dampproofing for dry basement performance.
Why Choose Our Basement Foundation Construction
A basement foundation is the most critical structural element of your home. We build them right — with engineered footings, properly reinforced poured concrete walls, integrated waterproofing, and controlled backfill. Our crews have poured hundreds of basement foundations across the NW Metro area.
Signs You Need Basement Foundation Construction
1. New home construction
Building a new home and need a reliable, professionally constructed basement foundation.
2. Home addition
Adding living space that requires extending the existing foundation with a new basement section.
Our Process
Step 1 — Excavation
Dig to required depth with working space for forming, waterproofing, and drain tile installation.
Step 2 — Footings
Pour spread footings on undisturbed soil at specified width and depth below frost line.
Step 3 — Wall forming and pouring
Set modular forms, install rebar, pour concrete, vibrate, and strip forms.
Step 4 — Waterproof and backfill
Apply waterproofing membrane, install drain tile, and carefully backfill in lifts.
Brands & Materials
- Cemstone structural mixes
- Carlisle waterproofing membranes
- Advanced Drainage Systems drain tile
FAQs About Basement Foundation Construction
How deep are basement foundations in Minnesota?
Minnesota code requires footings at minimum 42 inches below grade (frost line). Most basements are 8 feet deep from the top of the foundation wall to the basement floor, giving approximately 7.5 feet of ceiling height after floor slab and overhead framing.
Pricing
$20 - $40
per linear ft of wall
*Varies by project scope and site conditions.
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Leave Concrete to the Pros
Because with Legacy General Services,
You Get More Than a Guarantee
When you choose Legacy General Services for your concrete project in the NW Metro, you're choosing a partner committed to quality that lasts.
Reputation
MN-registered contractor since 2023. Insured and trusted by homeowners across the NW Metro.
Transparency
No hidden fees or surprise charges. Upfront pricing on every concrete project—big or small, start to finish.
Efficiency
On-time scheduling and reliable project timelines. We show up when we say we will and finish on schedule.
Quality
Air-entrained, freeze-thaw resistant concrete built for Minnesota winters. Every pour meets or exceeds code.