Concrete Foundation

Years of Experience
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Concrete Foundations! In Portland!

Keystone’s concrete foundation experts are dedicated to delivering top-quality, long-lasting results for every project. With decades of combined experience, our team specializes in building strong and reliable foundations tailored to Portland’s unique climate, soil, and structural requirements. Whether it’s a slab, crawl space, or full basement foundation, we approach each job with precision and care.

ensuring proper grading, drainage, and reinforcement to prevent settling or future structural issues. We use high-quality materials and proven construction methods to provide a solid base that supports homes and buildings for years to come. From new builds to foundation replacements or repairs, Keystone is the trusted choice for dependable concrete work and exceptional customer service.

General FAQ

For Concrete Foundation needs.

What type of foundation is best for homes in Portland?

Most Portland homes benefit from slab-on-grade or crawl space foundations, depending on the slope, soil conditions, and drainage. Our team evaluates your site to recommend the most durable and cost-effective option.

How long does it take to pour and cure a concrete foundation?

The pouring process typically takes 1–2 days, but full curing can take up to 28 days. However, construction can usually resume after about a week, depending on weather and project requirements.

Do you handle permits and inspections in Portland?

Yes, we take care of all the necessary city permits and coordinate with Portland inspectors to ensure your foundation meets local building codes.

How much does a new concrete foundation cost in Portland?

Prices vary based on size, depth, site conditions, and type (slab, crawl space, basement), but we always provide detailed, transparent estimates upfront.

Is rebar or reinforcement included in your foundations?

Yes, all our foundations are reinforced with steel rebar or mesh as needed to ensure structural integrity and long-term durability.

How does Portland’s rainy climate affect concrete foundations?

Moisture is a key factor in foundation performance. We use weather-resistant mixes and proper drainage techniques to prevent water damage, settling, or cracking.

Can you build foundations on sloped or uneven lots?

Absolutely. We specialize in custom foundation solutions for Portland’s hilly or uneven terrains, including reinforced footings and retaining-grade beams.

Do you offer foundation repairs or only new installations?

We offer both! Whether you need crack repair, leveling, or a full foundation replacement, our team has you covered.

Are your foundation services backed by a warranty?

Yes, we stand behind our work with a warranty for workmanship and materials. Specific terms vary based on the project—ask us for details!

How do I get started with a foundation project in Portland?

Just contact us for a free on-site consultation. We'll assess your property, discuss your goals, and provide a detailed plan and quote.

Reasons to choose us for concrete foundations

We understand Portland’s unique soil conditions, moisture levels, and building codes—ensuring your foundation is built to last in the Pacific Northwest climate.

Our foundations are always constructed to meet or exceed Oregon’s structural and safety codes, giving you peace of mind from the ground up.

With years of hands-on experience, our skilled crew delivers precise, durable foundation work for homes, garages, additions, and commercial buildings.

We use top-grade concrete mixes designed to handle Portland’s rainy weather, reducing risk of cracking and shifting over time.

No two sites are the same. We tailor our foundation designs to your specific property layout, slope, and load requirements.

We stick to project schedules and keep you informed every step of the way—no delays, no surprises.

From excavation and forming to pouring and finishing, we manage the entire process in-house for maximum quality control.

Our estimates are detailed and honest. No hidden fees—just solid work at a fair rate.

Strong Local Reputation

Portland homeowners and builders trust us for dependable foundation work backed by positive reviews and referrals.

Free On-Site Evaluations

We offer no-obligation site visits to assess your needs and provide expert guidance before any commitment.

Locations

Services

Keystone Concrete Contractor in Portland Oregon

Keystone Concrete Contractor in Portland, Oregon is your reliable partner for concrete projects. We are committed to providing outstanding results. We are able to deliver your project with passion and expertise, regardless of whether it is a new concrete sidewalk, driveway, patio, steps or decorative concrete. We invite you to contact us today for an appointment and we will exceed your expectations.