Business Details
50+ Years
experience
Trusted Civil & Structural Engineering Solutions in Tacoma, WA
Sitts & Hill is a multidisciplinary design firm specializing in civil and structural engineering, industrial architectural design, and land surveying services. With a 70-year legacy rooted in trust and integrity, we deliver quality projects across diverse sectors including aerospace, oil and gas, rail, marine/waterfront, commercial, multifamily, land development, and education. Our horizontal organizational structure ensures direct access to principals who actively engage in projects, providing timely decision-making and tailored solutions. The firm maintains an average employee tenure exceeding a decade, ensuring continuity of knowledge and client-specific expertise.Our working principals combine decades of experience in structural engineering, civil engineering, land surveying, architectural design, and specialty engineering for towers, cranes, and tanks. We serve as prime consultants or subconsultants, offering scalable services to meet fluctuating project demands while maintaining engineering excellence aligned with critical timelines. Our capabilities span ALTA surveys, BIM modeling, stormwater systems, structural analysis, and construction support, serving clients nationwide from our Tacoma headquarters since 1955.
Services
Civil Engineering
Structural Engineering
Architectural Services
Land Surveying
Specialty Engineering
BIM Modeling
Stormwater Systems
Construction Support
ALTA Surveys
Code Compliance
Details
- Year established: 1955
Highlights and features
- We offer 70 years of engineering experience across diverse industries
- Our principals work directly on projects alongside design teams
- We maintain direct client access to decision-makers at all stages
- Our multidisciplinary team handles projects from concept through construction
- We scale services to meet fluctuating project demands nationwide
Services
Civil Engineering
Our civil engineering team specializes in stormwater management systems, sanitary sewer design, roadway optimization, and permitting assistance for industrial and commercial developments. We handle site planning, utility coordination, and environmental compliance documentation while maintaining strict adherence to local regulations. Our engineers provide comprehensive solutions for street design, pedestrian accessibility, and secure facility layouts across multiple sectors.
Structural Engineering
We deliver structural design and analysis for multi-story buildings, warehouses, and specialty structures including crane systems and heavy marine facilities. Our services encompass code compliance studies, foundation design for industrial equipment, and detailed engineering calculations. The team utilizes advanced BIM tools for 3D modeling and provides construction support for complex structural systems in aerospace and rail applications.
Land Surveying
Our survey division performs ALTA/NSPS land title surveys, boundary determinations, topographic mapping, and construction staking using laser scanning and UAV technology. We provide utility research, legal description preparation, and GIS integration for land development projects. The team supports both private and public sector clients with accurate spatial data collection and analysis.
Architectural Services
We offer architectural design from concept through construction administration, including code analysis, MEP coordination, and permit acquisition. Our services cover commercial buildings, educational facilities, and multifamily housing with integrated BIM modeling and sustainability features. The team provides cost estimating and construction support for new builds and renovations.
Specialty Engineering
Our specialists handle tower inspections, crane system analysis, and tank design for heavy industrial applications. We provide detailed engineering reports, foundation design for machinery, and flight-line infrastructure solutions. The team supports rail terminals, oil/water separators, and underground vault systems with customized inspection and maintenance protocols.
People
Larry Lindell
President
Structural engineering expert with 35+ years of experience in light industrial, multistory buildings, waterfront structures, and architectural design. Leads major projects while maintaining hands-on involvement in technical challenges.
Kathy Hargrave
Civil Principal
Civil engineering specialist with 35 years of expertise in commercial site development, educational facilities, and environmental permitting. Oversees complex civil infrastructure projects from concept through regulatory approval.
Michael McEvilly
Survey Principal
Land surveying professional with 25 years of experience in ALTA surveys, boundary determinations, and construction staking. Manages survey teams for large-scale land development and utility mapping projects.
Andrew Boileau
Structural Principal
Structural design expert with 20 years of experience in multi-story office buildings, warehouse facilities, and multifamily complexes. Provides technical leadership for complex structural systems and analysis.
David Boileau
Principal Architect
Architectural leader with 25 years of experience in building design and construction administration. Specializes in integrating sustainable design principles with functional requirements for commercial and industrial facilities.
Questions
What engineering services does Sitts & Hill offer?
We provide civil engineering, structural engineering, architectural design, land surveying, BIM modeling, and specialty engineering for towers, cranes, and tanks.
How long has Sitts & Hill been in business?
Our firm has delivered engineering solutions since 1955, maintaining continuous operations from our Tacoma headquarters for over seven decades.
What industries does Sitts & Hill serve?
We work across aerospace, oil and gas, rail, marine/waterfront, commercial, multifamily, land development, education, and industrial sectors.
How does Sitts & Hill handle large-scale projects?
Our horizontal organization allows scalable services with direct principal involvement, ensuring timely delivery for projects of any complexity.
Can Sitts & Hill serve as prime consultant?
Yes, we regularly act as prime consultant while also providing subconsultant services to architects and engineers nationwide.
