Business Details
Expert Structural Engineering Services in Seattle
Harriott Engineers is a team of professional engineers dedicated to delivering innovative solutions for architectural and construction challenges. With decades of combined experience, our team specializes in structural engineering for residential buildings, including new construction, remodels, and seismic retrofits. We prioritize sustainability through practices like cement replacement, cross-laminated timber usage, and local retrofits, aligning our designs with environmental responsibility.Our engineers hold registrations across multiple states and affiliations with leading industry organizations, ensuring technical excellence and adherence to the highest standards. We collaborate closely with architects, contractors, and homeowners to transform concepts into safe, functional structures while maintaining a focus on constructability, aesthetics, and client needs.
Services
Structural Engineering
Residential Projects
Seismic Retrofits
Forensic Engineering
Temporary Excavation Shoring
Highlights and features
- We offer 20+ years of combined experience in residential and commercial structural engineering.
- Our team holds registrations in eight U.S. states for nationwide project capabilities.
- We specialize in sustainable design practices, including cement replacement and CLT usage.
- Our engineers collaborate directly with architects and contractors for seamless project delivery.
- We maintain affiliations with leading industry organizations for technical excellence.
Associations and certifications
- Structural Engineers Association of Washington
- American Concrete Institute
- American Institute of Steel Construction
- AIA Seattle
Services
Structural Engineering
We provide comprehensive structural engineering for residential and commercial buildings, ensuring safety, compliance, and durability. Our expertise spans new construction, renovations, and forensic analysis. With advanced materials and techniques, we deliver solutions tailored to architectural vision and site-specific challenges.
Seismic Retrofits
Our seismic retrofit services enhance structural resilience against earthquakes. We specialize in cost-effective solutions for existing homes and buildings, using advanced analysis to identify vulnerabilities and implement reinforcement strategies that meet modern safety standards.
Forensic Engineering
We conduct detailed forensic engineering investigations to diagnose structural failures or performance issues. Our team provides expert witness services and technical reports, combining field assessments with laboratory analysis to determine root causes and recommend corrective actions.
Temporary Excavation Shoring
Our temporary shoring solutions ensure safe excavation for urban construction projects. We design systems that stabilize slopes and adjacent structures, addressing space constraints and soil conditions to prevent movement during foundation work and earthwork operations.
Sustainable Design
We integrate sustainable practices into every project through material selection, energy efficiency, and waste reduction. Our initiatives include cement replacement, cross-laminated timber usage, and adaptive reuse strategies that minimize environmental impact while maintaining structural integrity.
People
James A. Harriott
Principal
With over 20 years of structural engineering experience, Jim specializes in integrating architectural vision with structural requirements. He holds registrations in eight states and leads financial and HR operations at Harriott Engineers.
Todd Valentine
Principal
Todd brings a decade of consulting engineering experience, managing residential and retail projects through all design phases. He oversees billing operations and ensures project delivery aligns with client expectations and technical standards.
Kathryn Warner
Project Engineer
Kathryn offers 20+ years of expertise in residential and commercial structures, combining architectural and engineering knowledge to facilitate interdisciplinary collaboration from design through construction completion.
Ian McWhirter
Associate
Ian specializes in adaptive reuse projects, leveraging his Pacific Northwest roots to enhance the built environment. He contributes technical expertise while exploring innovative approaches to structural sustainability and community impact.
Henry Nuckles
Associate
Henry focuses on structural design coordination between architecture and construction teams. With three years at the firm, he continues developing expertise in residential engineering while emphasizing collaborative problem-solving for complex projects.
Questions
What types of projects do you specialize in?
We focus on residential structural engineering, including new construction, remodels, seismic retrofits, and forensic analysis. Our expertise extends to temporary shoring and sustainable design solutions.
Are your engineers licensed in multiple states?
Yes, our team holds registrations in Washington, Oregon, Idaho, Montana, Wyoming, Colorado, Alaska, and Hawaii, enabling nationwide project capabilities.
How do you incorporate sustainability into projects?
We use cement replacements, cross-laminated timber, and prioritize adaptive reuse. Our office practices emphasize reduced commuting and material recycling to minimize environmental impact.
Can you handle both small and large projects?
Yes, we work on projects ranging from minor additions to full-scale mansions, applying the same technical rigor and client-focused approach to every engagement.
Do you provide forensic engineering services?
Yes, we offer forensic analysis and expert witness services for residential and multifamily structures, combining technical investigation with practical repair recommendations.
How do you collaborate with other professionals?
We maintain close coordination with architects, contractors, and homeowners throughout the design process, ensuring structural solutions align with aesthetic and functional requirements.
