

Civil-grade outdoor construction
Initiate your residential site assessment today. We engineer custom retaining walls, structural concrete, and drainage systems designed to withstand the challenging Pacific Northwest wet climate. Our team delivers civil-grade durability with high-end architectural finishes for discerning homeowners in the Seattle region.
Engineered project proposal
Provide your project parameters below to begin. Our professional project managers analyze soil conditions, hydrostatic pressure relief requirements, and structural grading to prepare a comprehensive, resilient site plan. We ensure your outdoor structures remain perfectly level and structurally sound for decades.
Engineered for PNW winters
Every proposal we generate includes precise specifications for deep sub-base compaction, engineered drainage paths, and civil-grade concrete formulations. We build specifically to handle local clay soils, heavy seasonal rainfall, and intense hydrostatic pressure with rigorous technical planning and premium materials.
Seattle Giron Construction
Civil-grade structural concrete and luxury outdoor transformations.
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info@seattlegiron.com
Serving the Greater Seattle Area
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+1 (206) 657 0975
© 2026 Seattle Giron Construction-Built for Puget Sound climate resilience.
CIVIL-GRADE RESIDENTIAL ENGINEERING
