Home › Concrete Foundations and Footings
Legendary Concrete Tigard builds concrete foundations and footings that give Tigard, OR homes a stable, code compliant base. From spread footings and stem walls to thickened edge slabs, we coordinate with your plans, set forms, place rebar, and pour high quality concrete so your structure is supported for decades.
Legendary Concrete Tigard provides professional concrete foundations throughout Tigard, OR, Oregon and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call 503-242-0809 or request your free quote.
Concrete foundations in Tigard built for our soil and our weather
Concrete foundations in Tigard are not all the same. Our hillsides, clay pockets, and wet winters in Washington County put very different demands on a footing than dry flat ground. At Legendary Concrete Tigard, we start every foundation or footing project with a site walk, not just a quote from a blueprint. We look at slope, drainage paths, existing cracks in nearby concrete, and how water sits on your lot after a storm. This first step helps us decide footing depth, width, and whether you need extra drainage or reinforcement.
For new homes, shops, garages, and additions, we typically build spread footings tied into a reinforced concrete foundation wall or thickened edge slab. On the west side of Tigard where soils tend to be softer and wetter, we often widen footings and increase rebar to control settlement. In rockier east Tigard or on older infill lots, we sometimes have to chip or saw into existing concrete and carefully tie new footings to old work so movement in one section does not crack another. Our goal is always the same: a foundation that matches your specific site instead of a one size fits all pattern.
How we build concrete foundations and footings step by step
A solid foundation is about process as much as concrete strength. Once you approve the plan, Legendary Concrete Tigard starts with layout. We pull measurements off property lines and string out the exact footprint, then double check against your plans to avoid costly shifts later.
Excavation comes next. We dig to the engineer specified depth or to below frost depth, whichever is greater. In Tigard, we also watch for the transition between topsoil and firm subgrade. If the soil is pumping (soft and wet under the shovel) we dig deeper and bring in compacted gravel rather than pour footings on mud. This step is a big factor in long term performance.
After excavation, we install formwork for footings and, if needed, foundation walls. Forms are braced so they do not move when the concrete is placed. We set rebar cages or grids to match the design, tying bars at proper spacing and lap lengths. Anchor bolts for sill plates and hardware for shear walls are positioned at this stage so your framing crew is not drilling into concrete later.
Before any pour, we check elevations with a laser, then call for inspection if your project requires it. Once approved, we place concrete using chutes or pumps to avoid overworking the mix. We rod and vibrate the concrete to remove air pockets, screed to height, edge and float as needed. Proper curing is critical, so we protect the fresh concrete from rapid drying, rain washout, and overnight freezes when they are in season. Final step is stripping forms, cleaning up the site, and walking you through what was done and how to protect the foundation before framing starts.
Foundation options for homes, garages, and shops
Different projects around Tigard need different foundation styles. For typical residential additions and single story homes on relatively flat lots, a continuous spread footing with a stem wall foundation is common. The footing carries the load, and the wall provides crawl space height and a level surface for the framing. We adjust footing size and rebar based on wall loads, span lengths, and soil conditions.
Detached garages and shops in Tigard often use a thickened edge slab. This combines a perimeter footing with a slab in one pour. The edges are deep and reinforced, while the interior slab is slightly thinner but still strong enough to support vehicles and equipment. This can reduce construction time and cost compared to a full stem wall, provided drainage and soil bearing capacity are suitable.
On sloped sites in neighborhoods like Bull Mountain and the hilly parts of Tigard, we may recommend stepped footings and walls that follow the terrain. This keeps excavation manageable and reduces the need for tall exposed walls that can crack or bow. If you are dealing with highly expansive clay or a very high water table, we may bring in an engineer to consider pier supported footings, over excavation and replacement, or enhanced drainage strategies. Legendary Concrete Tigard explains the pros, cons, and costs of each approach in plain language so you can choose the system that fits your project and budget.
Local factors that affect cost, schedule, and long term performance
Concrete foundation pricing in Tigard is driven by more than just square footage. Soil conditions are one of the biggest cost variables. Soft or saturated soils often require deeper excavation, more gravel base, or larger footings. If we find buried debris, old concrete, or unexpected rock, we will show you what we are seeing and explain any needed changes before we proceed.
Access also matters. Tight backyards, narrow side yards, and steep driveways in older Tigard neighborhoods can limit equipment size. Sometimes we hand dig portions of trenches or use smaller machinery, which takes more time. If a concrete pump truck is required to reach the pour area, that will be included in your estimate so there are no surprises.
Weather is another local factor. Our wet winters affect scheduling and curing. Legendary Concrete Tigard watches the forecast closely. If heavy rain is coming, we may adjust pour timing or increase site protection so washouts and surface damage do not happen. In cold snaps, we use blankets and set mixes that help concrete gain strength without freezing. These steps protect both your schedule and the strength of your foundation.
Long term performance is influenced by drainage. We look at how roof runoff, neighboring properties, and slopes send water toward or away from your foundation. In many Tigard yards, we recommend footing drains, gravel backfill, or surface grading adjustments at the same time we build the foundation. Spending a little more up front on drainage can prevent thousands of dollars of movement and moisture issues later.
What Tigard homeowners should check before hiring a foundation contractor
Before you hire anyone to pour concrete foundations or footings in Tigard, there are a few things worth checking. Ask how they evaluate soil on site, not just what the plans say. A contractor who does not talk about soil bearing, drainage, or footing depth relative to local conditions is more likely to treat every project the same, which can create problems later.
Confirm that they are familiar with Washington County and City of Tigard inspection requirements for foundations, anchor bolts, hold downs, and seismic details. Local code compliance is not just paperwork, it ensures your home or garage is tied together correctly for wind and earthquake forces common in our region.
It also helps to see examples of similar work. At Legendary Concrete Tigard, we can point you to foundations we have done for garages, additions, and new builds around town. You can see how straight and true the stem walls are, how clean the anchor bolt layout is, and how well the site was left after the forms came off.
Finally, get a written scope that spells out footing sizes, rebar size and spacing, concrete strength, moisture or vapor barriers if there is a slab, and any drainage features. When all of this is on paper, you can compare bids accurately instead of guessing what is included. This is how we structure our proposals, so you understand exactly what you are paying for and how your foundation is being built.
