Business Details
Emergency
services
Trusted Construction Solutions in Mukilteo, WA
At Prime Core Contracting, we bring over 120 years of combined experience in civil construction to every project we undertake. As a woman-owned business, we take pride in delivering construction solutions with integrity, honesty, and a commitment to quality. Our team's expertise spans infrastructure, site development, and value engineering, ensuring we meet the unique needs of developers, municipalities, and homeowners. Safety is our top priority, reflected in our AGC Safety Team recognition and three consecutive Top EMR awards. We are dedicated to fostering collaborative relationships with clients and partners, solving complex challenges, and exceeding expectations.Our membership in the Master Builders Association Health Trust allows us to provide competitive benefits to our employees while maintaining cost efficiency. With a focus on innovation and problem-solving, we handle projects of all sizesfrom large-scale developments to residential workwith equal dedication. Our BBB accreditation underscores our commitment to ethical business practices. We strive to be a trusted partner in shaping the infrastructure of the Greater Seattle Area, combining technical expertise with a personal touch. Our leadership team's deep industry roots and passion for mentoring future professionals drive our long-term vision for excellence.
Services
General Contracting
Infrastructure Development
Civil Construction
Site Development
Value Engineering
ROW Improvements
Highlights and features
- We offer 120+ years of combined civil construction expertise.
- Our team holds three consecutive Top EMR safety awards.
- We provide innovative value engineering solutions for complex projects.
- We are a BBB-accredited woman-owned business.
- Our collaborative approach ensures seamless project coordination.
Associations and certifications
- Better Business Bureau
- WBE
What people say
Ultra-reliable
Efficiently solved issues
Quick response times
Excellent communication
10+ star service
Services
General Contracting
PrimeCore provides comprehensive construction management for full-scale projects, from civil scope to project completion. Our team ensures seamless coordination between all parties while maintaining strict quality and safety standards. With expertise in managing complex developments, we deliver efficient solutions that align with client visions and regulatory requirements.
Infrastructure Development
We specialize in installing and upgrading critical infrastructure including conduit systems, duct banks, and electrical vaults. Our work supports major transportation corridors and high-traffic areas while minimizing public disruption through advanced traffic control planning and execution.
Civil Construction
Our civil construction expertise covers deep trenching, excavation, dewatering, and erosion control. We handle large-scale earthwork projects with precision, including complex demolition and ROW restoration, while ensuring compliance with municipal regulations and public safety standards.
Value Engineering
Leveraging decades of collective experience, we identify cost-effective solutions for civil construction challenges. Our team collaborates with architects and engineers to optimize designs without compromising quality, delivering significant value to clients through innovative problem-solving approaches.
ROW Improvements
We execute improvements in public right-of-way spaces with specialized traffic control measures. Our capabilities include street panels, sidewalk restoration, and deep excavation projects in high-traffic areas, ensuring safe work environments for crews and pedestrians alike.
People
Holly Willi
Owner
Third-generation construction professional with deep industry connections. Leads PrimeCore's client relationships and strategic growth while championing women in construction. Combines technical expertise with community-focused values to shape the company's direction.
David Willi
Co-Founder
Construction industry veteran with 30+ years of civil construction experience. Built PrimeCore's reputation for quality through hands-on project management. Focuses on maintaining high safety standards and mentoring the next generation of construction professionals.
Mike Wells
Project Manager
Civil construction specialist with expertise in navigating complex permitting processes. Known for delivering challenging projects on time and within budget. Brings technical precision and collaborative leadership to every client engagement.
Questions
What construction services does PrimeCore offer?
We provide full-service civil construction including infrastructure development, site work, ROW improvements, value engineering, and complete project management from start to finish.
How does PrimeCore ensure project safety?
Our team maintains an exceptional safety record through continuous training, strict compliance with protocols, and three consecutive Top EMR safety awards from the AGC Safety Team.
Can PrimeCore handle emergency construction needs?
Yes, we offer emergency side sewer repair services with rapid response times and 24/7 availability for urgent civil construction requirements.
What areas does PrimeCore serve?
We operate throughout the Greater Seattle Area, specializing in Mukilteo and surrounding communities for both large-scale developments and residential projects.
How does PrimeCore manage complex projects?
Our team combines 120+ years of collective experience with collaborative problem-solving to coordinate all aspects of construction, ensuring seamless execution from design to completion.
