About Company

Chadwick & Winters Land Surveying is a family-owned surveying firm serving Greater Seattle and the Puget Sound region since 1968. We combine state-of-the-art equipment with decades of local expertise to deliver boundary, topographical, utility/SDOT, ALTA/NSPS, and hydrographic surveys, along with a land use practice that has led industry project submittals and approvals in the City of Seattle since the 1990s. The company supports builders, developers, architects, and homeowners across King and Snohomish counties, including Seattle, Shoreline, Bellevue, Kirkland, and Mercer Island. Grounded in technology and family values, we are committed to high-quality work, responsive service, and practical solutions for complex site conditions.

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