Paving Services in Portland, OR: Driveways, Parking Lots & More

Portland's Trusted Paving Contractor

Portland homeowners and property managers face unique paving challenges. The city's heavy clay soils shift with moisture changes, decades-old neighborhoods have narrow access, and the wet climate demands materials and techniques that perform under constant rain.

Cojo has been serving the Portland metro area with professional asphalt paving, sealcoating, excavation, and site work. We understand Portland's soil conditions, building code requirements, and the seasonal timing that makes or breaks a paving project in this city.

Our Portland Paving Services

Residential Driveway Paving

Portland's residential neighborhoods range from the tight lots of inner Southeast to the sprawling properties of Happy Valley and West Linn. We handle driveways of every size and configuration.

What we provide:

• New asphalt driveway installation on prepared subbase
• Driveway replacement (removal and repaving)
• Driveway widening and extensions
• Apron and approach construction
• Subbase excavation and preparation
• Drainage solutions for sloped driveways

Portland-specific considerations:

• Clay soil preparation. Portland sits on Willamette Silt and Portland Hills Silt — heavy clay soils that expand when wet and shrink when dry. We install 8-12 inches of compacted aggregate base (versus the 6-inch minimum in sandy soils) to prevent heaving and settling.
• Tree root management. Portland's mature urban canopy means many driveways compete with established root systems. We assess root impact and use geotextile barriers where needed to protect both your pavement and the trees.
• Narrow lot access. Many Portland neighborhoods have limited access for equipment. We operate compact paving equipment for tight spaces and coordinate with neighbors when larger equipment needs temporary access.

Typical Portland residential costs:

| Driveway Size | Estimated Cost | |---|---| | Single car (200-400 sq ft) | $1,200-3,000 | | Double car (400-600 sq ft) | $2,100-4,500 | | Large or extended (600-1,000 sq ft) | $3,500-7,500 | | Long rural driveway (1,000+ sq ft) | $5,000-15,000+ |

View our residential projects to see driveway work across Portland neighborhoods.

Commercial Parking Lot Services

Portland's commercial properties need pavement that handles heavy traffic, meets strict ADA requirements, and survives the city's wet climate.

Services include:

• New parking lot construction
• Parking lot resurfacing and overlay
• Sealcoating and crack sealing
• ADA-compliant striping and signage
• Pothole repair and patching
• Drainage system installation and repair
• Curbing and speed bump installation

Portland commercial considerations:

• City of Portland stormwater requirements. New impervious surfaces over 500 square feet trigger stormwater management requirements. We design and install compliant systems including bioswales, permeable pavement sections, and detention systems.
• ADA requirements. Portland actively enforces ADA parking compliance. We ensure every lot meets current federal and Oregon state accessibility standards.
• Business district restrictions. Downtown Portland and many commercial corridors restrict construction hours and equipment staging. We coordinate with the city and adjacent businesses to minimize disruption.

For a deep dive on parking lot materials, see our concrete vs. asphalt parking lot comparison.

Sealcoating and Maintenance

Portland's climate demands regular sealcoating to protect asphalt from moisture damage and UV degradation.

Our maintenance services:

• Professional sealcoating application (coal tar and asphalt emulsion options)
• Hot-pour crack sealing
• Infrared pothole repair
• Line striping and ADA marking
• Drainage maintenance and repair

Portland sealcoating timing: Our best sealcoating window runs from late June through early September. We monitor Portland weather forecasts daily and schedule applications during confirmed dry periods.

Learn more about seasonal maintenance timing for Oregon properties.

Excavation and Site Preparation

From residential lot preparation to commercial site grading, we provide complete excavation services across Portland.

Services include:

• Site clearing and grubbing
• Rough and fine grading
• Utility trenching
• Foundation excavation
• Drainage system installation
• Erosion control
• Demolition and hauling

Portland excavation challenges:

• High water table. Many Portland neighborhoods, especially in Southeast and North Portland, have shallow water tables that require dewatering during excavation.
• Underground obstructions. Portland's century-old infrastructure means unexpected utility lines, old foundations, and buried debris are common. We use ground-penetrating radar and utility locating services before every dig.
• Erosion control compliance. Portland requires erosion control plans for any project disturbing more than 500 square feet of soil. We handle permitting, installation, and maintenance of required erosion control measures.

Portland Neighborhoods We Serve

We provide paving, sealcoating, and excavation services across all Portland neighborhoods and the surrounding metro area:

Portland proper:

• Northeast Portland (Alberta, Beaumont, Hollywood, Cully, Concordia)
• Southeast Portland (Hawthorne, Division, Foster-Powell, Woodstock, Mt. Tabor)
• North Portland (St. Johns, Kenton, Overlook, University Park)
• Northwest Portland (Pearl District, Nob Hill, Slabtown, Hillside)
• Southwest Portland (Multnomah Village, Hillsdale, Garden Home)
• East Portland (Gateway, Centennial, Pleasant Valley)

Portland metro:

• Beaverton and Aloha
• Hillsboro and Forest Grove
• Tigard and Tualatin
• Lake Oswego and West Linn
• Milwaukie and Gladstone
• Gresham and Troutdale
• Happy Valley and Damascus
• Oregon City and Canby
• Clackamas and Sunnyside
• Wilsonville and Sherwood

Portland Construction Trends Affecting Paving

Happy Valley and Sunrise Corridor Growth

The Sunrise Corridor expansion connecting I-205 to Highway 26 is driving massive residential and commercial development in Happy Valley, Damascus, and Pleasant Valley. New subdivisions, shopping centers, and infrastructure projects mean increased demand for paving and excavation services.

If you are developing property in this corridor, early contractor engagement is critical. Scheduling during the dry season (May-September) ensures quality results and avoids weather delays.

Infill Development Challenges

Portland's urban growth boundary concentrates new development within existing neighborhoods. Infill projects on tight lots require specialized equipment and techniques:

• Compact pavers and rollers for narrow driveways
• Hand work around existing landscaping and structures
• Careful demolition to protect neighboring properties
• Strict erosion control in established neighborhoods

Stormwater Management Requirements

Portland continues to strengthen stormwater regulations for new and redeveloped properties. Current requirements often include on-site infiltration, bioswales, permeable pavement, or detention systems. We work with your engineer to integrate stormwater solutions into the paving design from the start.

Why Portland Property Owners Choose Cojo

• Local expertise. We understand Portland's clay soils, building codes, and seasonal constraints. We do not learn on your property.
• Full-service capability. From excavation through final striping, one contractor manages the entire project. No finger-pointing between subs.
• Oregon CCB licensed and insured. Full licensing, bonding, and liability coverage for your protection.
• Transparent pricing. Detailed written estimates with no hidden fees. We explain what everything costs and why.
• Quality materials. We source hot-mix asphalt from local Oregon plants and use premium sealcoating products rated for Pacific Northwest conditions.

Get a Free Estimate in Portland

Whether you need a residential driveway, a commercial parking lot, or site preparation for new construction, Cojo provides free on-site estimates for Portland metro properties.

Contact us today to schedule your estimate. We will assess your site, discuss your goals, and provide a detailed written proposal within 48 hours of our visit.

Visit our services page for a complete overview of what we offer, or browse our project gallery to see Portland-area work.