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50+ Years
experience
Trusted Civil Engineering & Surveying Services in Puyallup
LeRoy Surveyors & Engineers has been a trusted partner in the architectural, engineering, and development industries since 1958. Our firm specializes in land surveying, civil engineering, geology, and land development, delivering innovative solutions for public works and private development projects. With a team of licensed professionals, including land surveyors, engineers, and geologists, we provide comprehensive services tailored to meet client objectives while adhering to regulatory standards. Recognized as Master Builders Company of the Year twice, our commitment to quality and precision has earned us respect from industry peers, agencies, and clients. We focus on environmentally conscious designs, integrating Low Impact Development (LID) practices to minimize ecological footprints.

Our expertise spans feasibility studies, site planning, stormwater management, and construction oversight, ensuring projects are completed efficiently and sustainably. Headquartered in Puyallup, WA, we serve clients throughout the Pacific Northwest, leveraging nearly six decades of experience to address complex challenges with strategic, cost-effective solutions. Our leadership team, including President Lyle Fox and Principal Engineer Damon DeRosa, brings decades of technical and regulatory expertise to every project. We prioritize client collaboration, regulatory compliance, and cutting-edge technology to deliver results that exceed expectations.
Services
Civil Engineering Geotechnical Services Surveying Wastewater Design Land Planning
Details
  • Year established: 1958
Highlights and features
  • Decades of experience in civil engineering and surveying since 1958
  • Comprehensive services covering land development and environmental compliance
  • Innovative Low Impact Development (LID) expertise for sustainable solutions
  • Award-winning team with industry-recognized certifications
  • Proven track record with complex public and private sector projects
Associations and certifications
  • Master Builders Association
  • American Society of Civil Engineers
  • Land Surveyors Association of Washington
  • Washington On-Site Sewage Association
What people say
Accurate surveying Regulatory compliance experts Innovative LID solutions Experienced team Timely project delivery
Services
Civil Engineering
Our civil engineering team specializes in public works and private development projects, offering creative, precise, and timely solutions. We handle site layout, grading, utility infrastructure, and stormwater management while prioritizing environmental sustainability. With nearly 60 years of experience, we deliver cost-effective designs that meet regulatory standards and client objectives.
Geotechnical Services
We provide geotechnical and geological engineering services supporting all construction phases, from initial site assessments to project completion. Our expertise includes slope stability studies, soil analysis, and erosion control plans. Our team ensures foundation stability and regulatory compliance for diverse projects across the Pacific Northwest.
Land Surveying
Our surveying services include boundary, topographic, and subdivision surveys to facilitate accurate land development. With advanced technology and experienced professionals, we deliver precise data for planning, construction, and legal documentation, ensuring projects meet all regulatory requirements.
Wastewater Design
We design residential and commercial wastewater systems, including septic tanks, community systems, and enhanced treatment solutions. Our team addresses challenging site conditions and regulatory requirements, ensuring efficient, environmentally responsible systems that meet client needs.
Low Impact Development
Our LID experts implement sustainable practices like permeable pavement and bioretention to minimize environmental impact. We help clients reduce costs and regulatory hurdles through innovative stormwater management and site design solutions tailored to local regulations.
People
Lyle E. Fox
President
President of LS&E with over 40 years of land surveying experience. Registered as a Professional Land Surveyor in Washington, he has completed over 2,200 surveys in Pierce County.
Damon DeRosa
Principal Engineer
Over 30 years of civil engineering experience, overseeing project planning and LID implementation. Holds a degree from Gonzaga University and specializes in regulatory compliance and sustainable design.
Bill Creveling
Principal Geologist
Licensed Geologist with 30+ years of expertise in wastewater systems and geotechnical engineering. Former field lead at Tacoma-Pierce County Health Department, specializing in environmental compliance.
Steve T. Nelson
Civil Engineering Manager
Manages civil engineering staff with over 30 years of industry experience. Graduated from Washington State University and focuses on infrastructure and site development projects.
Todd Searles
Design Engineer
AutoCAD drafter with 16 years of civil engineering design experience. Specializes in municipal and private sector projects, joining LS&E in 2022 after extensive public agency work.
Questions
What civil engineering services do you offer?
We provide site planning, stormwater management, road design, utility infrastructure, and construction oversight for public and private development projects.
Do you specialize in environmentally sustainable development?
Yes, we implement Low Impact Development (LID) practices including permeable pavement, bioretention, and native vegetation preservation to minimize environmental impact.
What surveying services are available?
Our surveying services include boundary surveys, topographic mapping, subdivision plats, ALTA surveys, and construction staking for land development projects.
How experienced is your team with wastewater systems?
Our geologists and engineers have over 30 years of combined experience designing septic systems, community wastewater solutions, and regulatory-compliant treatment facilities.
Which areas do you serve?
We primarily serve Pierce County, WA, including Puyallup, Tacoma, and surrounding regions throughout the Pacific Northwest.
Can you handle complex land development projects?
Yes, we manage complex projects involving zoning compliance, wetland conservation, and multi-phase infrastructure development for residential and commercial clients.