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Serving Green Bay, WI and surrounding areas. (920) 932-4097
Your foundation holds everything up. Get it built right the first time, with frost-depth footings, exterior waterproofing, and full permit handling.
Foundation block wall installation in Green Bay means stacking hollow concrete blocks on a poured footing, mortaring each course in place, and coating the exterior with a waterproof membrane before the soil goes back - most jobs for a garage or room addition take two to five days of active work.
If you own one of Green Bay's older homes - built in the 1920s through 1960s - there is a good chance your block foundation is now 60 to 100 years old and starting to show it. Stair-step cracks, bowing walls, or a wet basement after spring thaw are common signs that the wall needs attention, whether that is a targeted repair or a partial replacement.
Block foundations are also installed new for additions, detached garages, and accessory structures. If you are thinking about foundation work alongside a broader project, our foundation repair service covers targeted fixes for existing walls that are not yet at the point of replacement.
Cracks that travel diagonally along the lines between blocks - rather than cutting through the blocks themselves - signal that the wall is shifting. In Green Bay, this pattern often appears after a hard winter when repeated freeze-thaw cycles push soil against the foundation. A pattern of stair-step cracking across a large section usually calls for professional evaluation and possibly partial replacement.
Stand in your basement and look at the block walls from the side. If any section curves inward - even slightly - soil pressure is winning the battle against your foundation. This is more common in Green Bay homes with clay-heavy soil, where water-saturated ground in spring can exert enormous force. A bowing wall is a structural issue that gets worse over time if left alone.
Water seeping in at the floor-wall joint or through the lower courses of block after heavy rain or spring snowmelt means your waterproofing has failed or was never adequate. Green Bay's spring thaw can push a large volume of water into the soil very quickly. This is one of the most common reasons homeowners here call a masonry contractor.
That chalky residue is efflorescence - mineral deposits left when water moves through block and evaporates on the inside surface. It is not dangerous on its own, but it is a reliable sign that water travels through your foundation wall regularly. If it keeps coming back after you wipe it off, the underlying water problem needs to be addressed at the wall itself.
We handle the full range of concrete block foundation work for Green Bay homeowners - from new installation for garages and additions to partial or full replacement of aging foundations in older homes. Every project starts with a footing poured below Green Bay's frost line, and every wall gets exterior waterproofing before the soil goes back. If you are also dealing with structural damage to an existing wall, our foundation repair service can address that alongside or before replacement work.
For homeowners building a new detached structure or adding to their home, we also coordinate with our outdoor kitchen masonry work when a project calls for both a structural foundation and above-grade masonry features. We pull all required City of Green Bay permits, handle the scheduling, and coordinate the final inspection so you have a documented record when the job is complete.
Best for homeowners adding a garage, room addition, or detached structure that needs a code-compliant, frost-depth foundation.
Best for older homes where one or two sections of block are bowing, cracked, or water-damaged while the rest of the foundation is still sound.
Best for homes where the entire block foundation has deteriorated beyond repair, or where a structural change requires a new perimeter wall.
Best for homeowners whose existing block walls are structurally intact but are letting water through - applied before backfill during any excavation project.
Green Bay averages more than 140 frost days per year, and the ground can freeze to a depth of four feet in a hard winter. Every freeze-thaw cycle exerts pressure against your foundation walls - which is why footings here must sit below the frost line and exterior waterproofing is not optional. The clay-heavy glacial soils across much of Brown County hold water longer than sandy soils, increasing the lateral pressure on block walls over time. A foundation built to minimum standards in this climate can start cracking within a few years; one built right should last 50 years or more.
A large share of Green Bay's established neighborhoods were built between the 1920s and 1960s, and many of those original block foundations are now at or past the point where repair alone is not enough. We work throughout the area, including Allouez and De Pere, where aging housing stock and clay soils create the exact conditions that put older block foundations under the most stress. If you are not sure whether your foundation needs repair or replacement, a site visit is the only reliable way to know.
We will ask a few questions about your project - new installation, repair, or replacement - and schedule a site visit. We reply within one business day. Most foundation jobs cannot be quoted accurately by phone, so we will come to you.
We walk the property, measure the area, check soil and drainage, and identify any complications. You receive a written estimate that breaks out labor, materials, and permit fees separately - so you know exactly what you are agreeing to before work begins.
We pull the City of Green Bay building permit before any digging starts. Once the permit is in hand, you get a confirmed start date. In the busy spring and summer season, expect two to four weeks from signed contract to first day of work.
Excavation, footing pour, block coursing, and exterior waterproofing happen in sequence. After the wall is complete and the mortar has set, the city inspector signs off. You receive a copy of the inspection record - your permanent documentation that the work was done to code.
We pull the permits, handle the inspection, and give you a written estimate before anyone picks up a shovel. Replies within one business day.
(920) 932-4097Green Bay's frost depth reaches four feet in a hard winter. We design footings to sit below that depth on every project - no shortcuts, no callbacks three years later because the wall started to move. It is the single most important decision made on any foundation job here.
The City of Green Bay requires a building permit for structural foundation work, and we pull it before excavation begins. You will have a permit number on day one and a signed inspection record when the job is done - documentation that protects you at resale.
A block wall without exterior waterproofing will let water through during Green Bay's spring thaw. We coat the outside face of every wall before the soil goes back. The National Concrete Masonry Association recommends this step, and we do not skip it.
We have worked on foundations throughout Brown County's older neighborhoods, including homes built in the 1920s through 1960s where clay-heavy soil and decades of freeze-thaw cycles have done the most damage. Local experience matters when the job requires reading soil conditions and knowing what the city inspector expects.
Foundation work is one of those jobs where cutting corners does not show up right away - it shows up three winters later when the wall starts to bow. We build to the standard that Green Bay's climate actually requires, not just the minimum that passes inspection.
For more on block foundation standards, see the Portland Cement Association and the City of Green Bay Building Inspection.
Permanent masonry outdoor kitchens built on proper footings for Green Bay's freeze-thaw climate.
Learn MoreTargeted repair for cracked, bowing, or water-damaged foundation walls before problems grow.
Learn MoreSpring scheduling fills fast - reach out now to lock in your start date and get a written estimate with no obligation.