

Engineered drainage and luxury landscapes
Protect your property from Pacific Northwest winters. We engineer civil-grade French drains, smart irrigation systems, and premium outdoor living spaces built to endure.
Foundation protection by design
We don't just redirect water; we analyze soil composition, calculate hydrostatic pressure, and install multi-layered sub-grade systems that keep your foundation dry year-round.
French Drain Engineering
Downspout Routing
Perforated pipe wrapped in silt-blocking geotextile fabric, surrounded by clean washed drain rock to facilitate rapid hydraulic conductivity.
Solid PVC discharge lines engineered to carry roof runoff completely away from structural footings, discharging safely into designated municipal lines or dry wells.




Water efficiency meets luxury aesthetics
Zoned micro-climate watering
Custom-calibrated drip lines and high-efficiency sprinkler heads managed by smart controllers. We zone your system based on soil absorption, sun exposure, and plant species requirements.
Modern outdoor living spaces
Architectural grading, custom steel-edged garden beds, decorative basalt rock, and native plantings integrated with clean hardscape transitions.
Ready to secure your property's foundation?
Schedule an on-site consultation with our landscape engineers. We will assess your yard's grading, soil saturation, and drainage requirements.
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
