The cost to professionally install a 20x20 paver patio (400 square feet) typically ranges from $5,300 to $14,000, with a national average of about $9,500. If you're researching paver patio installation Federal Way homeowners can trust, that breaks down to roughly $13 to $35 per square foot for both materials and labor.
Cost Breakdown by Material Tier
Material choice is the biggest variable in any paver patio installation budget. Basic concrete pavers run $10 to $18 per square foot installed, or $4,000 to $7,200 for 400 square feet. Mid-range, brick, and interlocking pavers run $15 to $25 ($6,000 to $10,000), while premium natural stone and travertine run $25 to $40+ ($10,000 to $16,000+). Moving from basic concrete pavers to natural stone can nearly double the cost of the same footprint, even though the labor involved is similar.
Labor vs. DIY
Hiring a hardscape contractor typically accounts for 50% to 60% of the total bill. Labor generally runs $6 to $15 per square foot, or $2,400 to $6,000 for a 20x20 area, depending on your local market. A DIY patio pays only for materials and rentals like a mini-excavator or plate compactor, usually $2,000 to $4,500. Most of that labor is invisible once the patio is done: excavating, grading, compacting the base, leveling the bedding layer, cutting pavers, and finishing the joints. Digging out 400 square feet and compacting the base is physically demanding labor.
Additional Factors That Impact the Price
A sloped yard, heavy clearing, or poor drainage can add $0.50 to $2.00+ per square foot for leveling. Curved borders, mosaic patterns, or contrasting borders can raise labor by 15% to 25%. Hard-to-reach yards mean hauling gravel and stone by wheelbarrow, which adds labor hours. A standard square layout is the most cost-efficient option. Plan ahead to avoid cost shocks. Popular upgrades also raise the total: an integrated fire pit runs $2,500 to $8,000, and custom seating walls run $150 to $300 per linear foot, based on design.
NW Landscape Management
1911 SW Campus Dr #464,
Federal Way, WA 98023
(253) 661-5824
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