WESTECH CONSTRUCTION ENGINEERING
California Lic. A,B #1076883
WESTECH CONSTRUCTION ENGINEERING
At Westech Construction Engineering, we specialize in transforming existing properties with high-end, structural residential expansions.
New construction & Custom Homes
Turn your architectural vision into a stunning reality with our ground-up custom home building and new construction services. As a dual-licensed builder, we manage the entire lifecycle of your project—from initial site clearing, engineered grading, and structural foundations to advanced framing, utility integration, and premium interior finishes. Whether constructing a modern luxury home or a brand-new commercial structure, we deliver masterful craftsmanship and strict code compliance at every stage.
Project management
Backed by a rigorous construction engineering and management background, we oversee every phase of your residential build. From navigating complex city plan checks and handling permits to managing subcontractor scheduling and strict quality control, our team ensures your project moves flawlessly from blueprints to completion.
Underground Utilities & Site Drainage
Execute critical subterranean infrastructure with precision and strict municipal code compliance. We handle complete wet and dry utility installations, including sewer main connections, water lines, storm drains, and advanced property drainage systems. Utilizing engineering-focused excavation and trenching methodologies, we manage the entire process from initial layout to safe backfilling and structural surface restoration, ensuring your site's core infrastructure is built for long-term reliability
Soft-Story & Seismic Retrofit
Protect your property, tenants, and investment with structural retrofitting tailored to Southern California’s strict seismic demands. We specialize in mandatory soft-story retrofits for multi-family apartment complexes, as well as foundation bolting and structural framing reinforcement. We upgrade existing structures to fully comply with local city ordinances and modern California building codes, delivering cost-effective, engineered solutions with minimal disruption to residents.
Tenant Improvement & Commercial Remodeling
Transform your commercial space, retail storefront, or office layout with turn-key tenant improvement (TI) services tailored to your business needs. We specialize in complete A-to-Z commercial build-outs, handling everything from interior demolition and structural framing to electrical upgrades, plumbing, drywall, and high-end finishes. Whether preparing a space for a new tenant or modernizing an existing facility, we deliver fast-tracked, code-compliant construction engineering solutions that minimize business downtime and maximize the value of your commercial property.
Full-Service Remodeling & Modernization
Upgrade your property with premium residential and commercial remodeling services. We handle complete A-to-Z renovations, including structural changes, framing, electrical, plumbing, drywall, and high-end finishes. Whether it is a complete home transformation or a commercial update, we deliver quality craftsmanship that complies with all local building codes.
Property Renovation & Modernization
Bring a fresh, updated look to your residential or commercial property with our professional renovation services. We focus on modernizing your existing space through high-quality cosmetic upgrades, including premium flooring, professional painting, custom cabinetry, and updated fixtures. If your layout is already perfect but needs a complete aesthetic refresh to look brand new, we deliver flawless finishes with zero hassle.
Accessory Dwelling Units (ADUs)
Maximize your property’s potential and value with a custom-built Accessory Dwelling Unit. We specialize in complete A-to-Z ADU construction, including detached ground-up builds and garage conversions. From initial site grading and structural foundations to framing, utilities, and high-end interior finishes, we handle the entire process to deliver a beautiful, fully code-compliant living space.
Home & Structural Additions
Expand your living or commercial space with seamless property additions. We specialize in complete A-to-Z structural extensions, handling everything from new foundations and framing to matching your existing roofline, utilities, and exterior finishes. Whether adding a new bedroom, expanding a living space, or extending a commercial layout, we deliver structurally sound space expansions that perfectly blend with your original building.
Garage conversion
Turn your underutilized garage into a premium, fully livable studio, rental unit, or home office. We handle the complete A-to-Z conversion process, including structural reinforcement, concrete slab modifications, framing, insulation, utility routing (plumbing, electrical, and HVAC), drywall, and modern finishes. We transform your existing structure into a legal, beautiful, and fully code-compliant living space.
Structural Framing & Carpentry
Ensure the structural integrity of your build with professional wood and metal stud framing. From ground-up new construction and additions to complex structural modifications and interior partitions, we deliver precise, load-bearing framing built to strict California seismic codes. Whether it is structural rough framing or specialized finish carpentry, our engineering-focused approach ensures a solid, perfectly level foundation for the rest of your project.
Deck, porch, and sunrooms
Enhance your outdoor living experience with custom-built decks, porches, and sunrooms. We design and build premium structural extensions, using high-durability composites, exotic hardwoods, or engineered framing to perfectly complement your property's architecture. Whether creating an open-air deck for entertaining, a covered front porch, or a fully insulated glass sunroom, we deliver flawless craftsmanship built to withstand the elements.
Structural Concrete Foundations
Lay a solid, engineered foundation for your next construction project. We specialize in complete A-to-Z concrete footprint layout, excavation, grading, and structural slab placement for new custom homes, detached ADUs, property additions, and commercial structures. Built to meet strict California seismic and building codes, our engineering-focused approach ensures perfectly level, high-strength foundations that guarantee the long-term stability of your entire build.
Retaining & Block Walls
Secure your landscape and define your property lines with engineered retaining walls and structural block walls. We specialize in the complete A-to-Z construction of heavy-duty concrete block (CMU) walls, structural hillside retaining systems, and decorative masonry. From proper excavation, footings, and steel rebar reinforcement to critical drainage systems, we build highly durable walls designed to prevent erosion, manage soil pressure, and enhance property privacy.
Comprehensive Concrete Works & Pavers
Enhance your property’s structural durability and curb appeal with professional concrete and hardscape installations. We handle all phases of residential and commercial concrete work, including custom stamped and colored concrete, high-traffic driveways, patios, walkways, and architectural interlocking pavers. Our team also specializes in commercial concrete infrastructure—delivering precise curb and gutter installations, sidewalk construction, and fully code-compliant ADA ramps and accessibility upgrades tailored to strict local city standards.
Site Grading & Precision Demolition
Clear the way for your next project with comprehensive site preparation, grading, and heavy-duty demolition services. We specialize in structural, total, and selective interior demolition for both residential and commercial properties, ensuring clean, efficient, and completely safe tear-downs of existing structures. Combined with our precision excavation, slope stabilization, and site grading capabilities, we handle everything from heavy debris removal to final engineered soil leveling, leaving your site perfectly prepared and compliant with all local environmental and safety codes.
Asphalt Paving & Roadway Maintenance
Deliver smooth, durable, and heavy-duty pavement surfaces for properties of all sizes. We provide comprehensive asphalt services for private roads, residential driveways, commercial developments, and parking lots. Our team handles complete new asphalt paving installations, precision overlays, and targeted asphalt patching for pothole and utility trench repairs. To protect and finalize your infrastructure, we deliver restorative seal coating and precision layout line striping—including fully code-compliant ADA parking stall configurations, directional markings, and fire lane paths tailored to local city standards.
