Harmsen, LLC

Harmsen, LLC is a surveyor in Monroe, WA, providing land surveying, civil engineering, land use planning, and environmental services for residential, commercial, municipal, and public sector projects. The firm serves clients across Snohomish County and surrounding areas, offering specialized services including topographic mapping, ALTA/ACSM surveys, legal descriptions, right-of-way surveys, and construction staking. With a team of licensed professionals, including surveyors, engineers, and wetland specialists, Harmsen supports projects ranging from single-family homes to industrial parks and public infrastructure. The company holds a 4.30 rating based on customer reviews.

Harmsen, LLC was founded in 1974 by Bill Harmsen in Monroe, WA, and has since expanded through strategic acquisitions, including Alpha Subdivision Professionals, Inc. in Everett. These additions have strengthened the firm’s survey records archive and broadened its service capabilities. The company emphasizes sustainability, with many engineers holding LEED AP accreditation, and focuses on delivering designs that meet environmental standards while fulfilling project goals. Harmsen maintains strong relationships with clients and business partners, prioritizing responsiveness, technical expertise, and adherence to local codes and zoning regulations.

The business is located on Colby Ave in Monroe, WA.