Business Details
Expert Concrete & Masonry Contractors in Oak Harbor, WA
Langco NW was founded over a decade ago with a commitment to delivering top-quality craftsmanship and finished products at fair market prices. Our approach combines industry best practices, advanced technology, and specialized expertise to consistently exceed industry standards for every client. We prioritize a team-based workforce structure, emphasizing continuous learning, hands-on training, and professional development to maintain exceptional service quality. Our team includes ACI-certified finishers, tilt-up technicians, and NRMCA-certified pervious concrete installers who leverage state-of-the-art equipment like the Somero S-22e Laser Screed and 3-D Total Station for contoured paving.With experience in commercial, industrial, and high-end residential projects, we specialize in structural concrete, tilt-up construction, super flat floors, and pervious concrete solutions. Our dedication to innovation ensures clients receive the flattest floors, refined workmanship, and safest long-term results. We serve Puget Sound and surrounding areas, handling projects ranging from 40,000+ sq ft slabs to detention vaults and steel structure buildings. Our reputation for excellence is supported by national awards and certifications that validate our technical proficiency and commitment to client success.
Services
Structural Concrete
Tilt-Up Construction
Super Flat Floors
Pervious Concrete
Slab Installation
Detention Vaults
3-D Contoured Paving
Post-Tension Slabs
Public Works Projects
High-End Residential Foundations
Highlights and features
- ACI-certified concrete professionals with specialized training
- State-of-the-art equipment for precision concrete work
- 10+ years of experience in commercial and industrial projects
- Capable of 40,000+ sq ft daily slab installations
- SAM Self-Certified Small Business status
Associations and certifications
- ACI Certified
- NRMCA Certified
- Multi-Quip Certified
- SOMERO Factory Certified
Services
Structural Concrete
Specialized in complex foundation structures for commercial and industrial buildings. Our ACI-certified team delivers precision in structural elements using advanced formwork and reinforcement techniques. Clients benefit from durable, code-compliant systems supporting long-term structural integrity.
Tilt-Up Construction
ACI-certified professionals execute tilt-up panels for rapid building assembly. This method combines strength with construction efficiency for warehouses, distribution centers, and retail spaces. Projects achieve cost savings while maintaining architectural quality and structural performance.
Super Flat Floors
Utilizing laser-guided equipment to achieve extreme flatness specifications. Ideal for manufacturing facilities, warehouses, and high-traffic commercial spaces requiring seamless surfaces. Our process ensures minimal maintenance and optimal functionality for material handling equipment.
Pervious Concrete
NRMCA-certified installation of stormwater management systems using pervious concrete. This sustainable solution reduces runoff while maintaining structural integrity. Applications include parking areas, walkways, and environmentally sensitive developments requiring code-compliant drainage.
3-D Contoured Paving
Advanced 3-D Total Station technology enables precise paving of complex geometries. Our Somero-certified operators deliver accurate elevation control for challenging terrain. This method ensures dimensional accuracy while minimizing material waste during large-scale paving projects.
Questions
What concrete services do you specialize in?
We specialize in structural concrete, tilt-up construction, super flat floors, pervious concrete, and 3-D contoured paving for commercial, industrial, and high-end residential projects.
Are your team members certified?
Yes, our team includes ACI-certified finishers, tilt-up technicians, NRMCA-certified pervious concrete installers, and SOMERO-certified laser screed operators.
What areas do you serve?
We primarily serve Puget Sound and surrounding Washington State regions, handling projects from small foundations to large-scale commercial developments.
What equipment do you use?
We utilize Somero S-22e Laser Screeds, 3-D Total Station systems, and other state-of-the-art tools for precision concrete placement and finishing.
Can you handle large-scale projects?
Yes, our team regularly completes 40,000+ sq ft slab installations and complex structural projects using efficient methods and advanced equipment.