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Polished Concrete in Portland, OR · ACI Certified

Mechanically ground and polished concrete floors with a smooth, low-maintenance, high-gloss or matte finish.

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Polished Concrete Portland

Polished concrete in Portland transforms plain concrete floors into smooth, durable, high-gloss or matte surfaces that look professional and stay easy to maintain. Whether your garage slab, basement floor, or interior living space needs a fresh finish, polished concrete delivers the look of expensive flooring at a fraction of the cost. Portland's mild, dry climate makes year-round polishing possible, and the region's many older homes and newer builds alike benefit from this versatile upgrade. We've been serving Portland and the surrounding communities since 2016, combining mechanical grinding expertise with ACI certification to deliver results that last. Polished concrete works beautifully in garages, showrooms, commercial spaces, and modern home interiors, and sealing protects your investment from daily wear.


Why Polished Concrete Matters for Portland Homeowners and Businesses

Portland's residential and commercial spaces demand flooring that handles moisture, foot traffic, and the occasional spill without breaking down. Polished concrete eliminates the need for waxing, stripping, and re-coating, cutting maintenance time and expense year after year. The smooth, sealed surface resists staining and dust, making it ideal for garages where oil and salt accumulate, basements where humidity is a concern, and showrooms where appearance drives customer confidence. Many Portland homeowners choose polished concrete over traditional epoxy or tile because it's simpler to repair, can be repolished if needed, and offers a modern aesthetic that complements both contemporary and transitional design.

  • We mechanically grind your existing concrete slab to expose the aggregate and create a smooth, uniform surface.
  • Multiple passes with progressively finer grits ensure a consistent sheen and professional finish.
  • We apply a penetrating sealer that hardens the concrete and resists moisture, chemicals, and wear.
  • Your floor becomes slip-resistant when wet and requires only occasional damp mopping to stay clean.

Polished concrete is a one-time investment that eliminates the recurring cost and labor of traditional floor maintenance.

Key info: Portland's expansive clay soils and occasional seismic movement can cause concrete to crack or settle over time. Polishing reveals these imperfections and allows us to repair them before sealing, ensuring a long-lasting, level finish. Learn more about addressing underlying slab issues with our concrete repair and resurfacing services.

For regulatory guidance on commercial flooring in Portland, the City of Portland Development Services office provides standards for ADA-compliant floor finishes and slip resistance. Check Portland.gov/bds for commercial accessibility requirements if your project includes public-facing spaces.


How We Polish Concrete in Portland: The Process from Start to Finish

Polishing concrete is a precise, multi-stage process that requires the right equipment, technique, and expertise. We begin with an on-site inspection to assess your slab's condition, existing damage, and finish goals, then walk you through the timeline and cost. Our ACI-certified team handles everything from surface prep through final sealing, keeping your space clean and minimizing disruption. The entire process typically takes 3 to 5 business days, depending on square footage and the desired gloss level.

  1. We clear the space and protect adjacent areas from dust and debris.
  2. Initial grinding with coarse grits removes blemishes, old coatings, and surface irregularities.
  3. Progressive polishing with medium and fine grits creates the smooth, reflective surface.
  4. We apply a concrete densifier to harden the surface and prepare it for sealing.
  5. A professional-grade sealer is applied to protect against moisture, staining, and chemical damage.
  6. Final inspection and walk-through confirm the finish meets your expectations.

The result is a durable, low-maintenance floor that enhances both function and appearance.

Local example: A Tigard homeowner with a 1,000-square-foot garage slab had old oil stains and minor cracks from settling. We ground out the stains, filled and repaired the cracks, and polished the entire floor to a high-gloss finish with sealer. The garage now looks showroom-ready and requires only a damp mop twice a month to stay clean. If your basement or garage needs similar work, our garage floor polishing service handles the full scope.

Approach Description Best for
High-Gloss Polished Finish Multiple fine-grit passes create a mirror-like, reflective surface that showcases the concrete aggregate. Showrooms, retail spaces, modern home interiors, and garages where visual impact matters.
Matte or Satin Finish Medium-grit polishing produces a subtle sheen that reduces glare while maintaining durability and ease of cleaning. Basements, commercial kitchens, warehouses, and spaces where slip resistance and reduced glare are priorities.
Stained and Polished We apply concrete stain before polishing to add color and visual depth while maintaining the smooth, sealed finish. Decorative applications, branded commercial spaces, and homeowners seeking a custom, upscale appearance.
Repair and Re-Polish We fill cracks, address settling or spalling, and re-polish existing surfaces to restore appearance and function. Older slabs with damage, floors that have been sealed before, and spaces where patching and leveling are needed first.

Polished Concrete Cost in Portland: What to Expect

Polished concrete pricing in Portland typically starts at $4 per square foot for basic grinding and sealing on a clean, undamaged slab. The final cost depends on several factors: the size of the space, existing damage and repairs needed, the desired finish (high-gloss versus matte), and whether staining is included. A 500-square-foot garage might run $2,000 to $3,000, while a 2,000-square-foot showroom or large basement could exceed $8,000 to $10,000. Travel is included in our service area across Portland and surrounding communities, with no mileage surcharge.

The most common cost drivers are cracks that need filling, uneven surfaces requiring leveling, and old coatings or stains that demand extra grinding passes. We always provide a free, no-obligation estimate after visiting your site and assessing the actual condition. Getting 2 to 3 estimates from different contractors helps you understand the scope and avoid surprises. Our ACI certification and 8 years of experience in the Portland market mean we price fairly and deliver on time, every time. For a detailed breakdown of our pricing and to request a free estimate, call us at (503) 505-9906 or visit our full pricing page.


Polished Concrete Near Me: What to Look for When Hiring in Portland

Choosing the right contractor for polished concrete in Portland starts with verifying licensing, insurance, and references. You want a team that understands the local climate, soil conditions, and building codes, and that stands behind their work with a warranty. Ask to see before-and-after photos of recent projects in your area, Beaverton, Lake Oswego, or Tigard, and request contact information for past clients. Many Portland homeowners skip the due diligence and end up with uneven finishes or premature sealer failure, so investing time upfront saves money and frustration later.

  • Verify that your contractor holds a current business license with the State of Oregon and carries general liability and workers compensation insurance.
  • Request an ACI or equivalent certification to confirm technical expertise in concrete finishing and sealing.
  • Ask for at least three references from Portland-area projects completed in the last 2 years.
  • Confirm that the estimate includes surface prep, grinding, sealing, and cleanup, with no hidden costs for repairs or travel.
  • Review the sealer warranty and any guarantee on the finish, and get it in writing before work begins.

A reputable contractor will answer your questions clearly and never pressure you to decide on the spot.

If you are ready to move forward or want to discuss your project in detail, contact Portland Concrete today for a free estimate. We respond within 24 hours at (503) 505-9906 and serve all of Portland and the surrounding communities.

Polished Concrete in Portland: Pricing Guide

ServicePriceDetails
Basic Polished ConcreteStarting at $4/sq ftGrinding, polishing, and sealer on clean slabs with minimal damage or old coatings to remove
Polished Concrete with RepairsStarting at $5/sq ftIncludes crack filling, spall repair, and leveling work before grinding and polishing the full surface
Stained and Polished ConcreteStarting at $6/sq ftAdds decorative concrete stain in your choice of color before polishing and sealing for custom appearance
Large-scale or complex projectsOn estimateCommercial spaces, multiple rooms, or slabs with extensive damage require on-site inspection to quote accurately
Free estimateNo chargeResponse within 24 hours at (503) 505-9906, includes site visit, photo documentation, and written quote

Indicative pricing, the exact cost depends on square footage, finish, and site access. Free personalized estimate within 24h at (503) 505-9906.

Frequently asked questions: Polished Concrete in Portland

How much does polished concrete cost in Portland?
Polished concrete typically starts at $4 per square foot for basic grinding and sealing on a clean slab. A 500-square-foot garage runs roughly $2,000 to $3,000, while a 2,000-square-foot showroom or basement could reach $8,000 to $10,000 or more. The final price depends on damage repairs, desired finish level, and whether staining is included. We provide a free estimate after visiting your site.
What is polished concrete and how does it differ from epoxy or tile?
Polished concrete is your existing concrete slab ground smooth with progressively finer grits, then sealed for durability and low maintenance. Unlike epoxy, which sits on top and can peel or chip, polished concrete is part of the slab itself and can be repolished if needed. Compared to tile, polished concrete has fewer grout lines to trap dirt, costs less to install, and requires only damp mopping to stay clean. It's ideal for garages, basements, and modern home interiors.
How long does it take to polish a concrete floor in Portland?
Most polished concrete projects take 3 to 5 business days, depending on square footage and the desired finish. A 500-square-foot garage typically completes in 2 to 3 days, while larger spaces or those requiring extensive repair may take a full week. We work efficiently to minimize disruption and keep your space accessible as soon as possible. Final curing of the sealer takes 24 to 48 hours before normal use.
Is polished concrete slippery or a safety hazard?
High-gloss polished concrete can be slippery when wet, which is why we recommend a matte or satin finish for kitchens, bathrooms, or commercial spaces where slip resistance matters. Matte finishes provide excellent traction while maintaining durability and ease of cleaning. We can also apply anti-slip coatings if needed. For residential garages and dry environments, high-gloss is less of a concern and looks stunning.
Can you polish concrete that already has cracks or damage?
Yes, we repair cracks, fill spalls, and level uneven areas before polishing. Polishing actually reveals damage that may have been hidden under old coatings or dirt, allowing us to address it properly. Repair work adds to the project cost but ensures a long-lasting, uniform finish. We always assess damage during the free estimate and explain what repairs are needed and why.
What is the best time of year to polish concrete in Portland?
Concrete can be polished year-round in Portland's mild climate. Summer and early fall are ideal because dry conditions allow sealer to cure quickly and evenly. Spring and winter work fine too, though we avoid extremely rainy periods to ensure proper sealer application and curing. Freeze-thaw is not a concern in Portland, so winter projects are safe as long as moisture control is managed during the curing phase.
How do I maintain a polished concrete floor?
Polished concrete requires minimal maintenance compared to waxed floors or tile. Damp mop with neutral pH cleaner every 2 to 4 weeks to keep dust and debris at bay. Avoid acidic cleaners and harsh scrubbing, which can dull the sealer. Sweep or vacuum regularly to prevent grit from scratching the surface. The sealer typically lasts 3 to 5 years, after which a refresh coat keeps the floor looking new.
Are you licensed and insured for polished concrete work in Portland?
Yes, Portland Concrete holds a current Oregon business license and carries full general liability and workers compensation insurance. We are ACI certified, which means our team meets industry standards for concrete finishing, grinding, and sealing. Insurance certificates are available upon request. We stand behind all work with a warranty on materials and labor.
Can I add color or stain to polished concrete?
Absolutely. We offer decorative concrete staining before polishing to add custom color and visual depth. Stains penetrate the concrete and become part of the surface, so they do not chip or peel like paint. You can choose from a wide range of colors and finishes to match your design vision. Stained and polished concrete costs more than plain polished, typically starting at $6 per square foot.
Do you serve areas outside Portland, like Beaverton, Lake Oswego, or Tigard?
Yes, we serve Portland and all surrounding communities including Beaverton, Hillsboro, Gresham, Tigard, Lake Oswego, Oregon City, Milwaukie, and more. Travel is included in our pricing with no mileage surcharge. Call (503) 505-9906 or visit our service areas page to confirm coverage for your zip code. Response time is within 24 hours.
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