S-Line Contractors

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Southern California Office Location

We typically respond within 24 hours. Alternatively, feel free to give our office a call.

Contractor Lic. # 1053841

Class B – General

Class C10 – Electrical

At S-Line Contractors, we take pride in being the leading Covina contractor specializing in high-quality construction services for Covina businesses and homeowners. Whether you’re embarking on a commercial renovation in Covina or a residential remodeling project, our team of skilled professionals ensures every project is completed with precision and expertise. We bring a deep understanding of Los Angeles County building codes and regulations, making us the construction expert you can trust.


Building and Construction Services in Covina, CA

Our construction services for Covina cater to a variety of needs, ensuring that every aspect of your project is handled with care and efficiency. Whether you need a complete home renovation or specialized tenant improvement, our team has the skills and experience to bring your vision to life.

Our Services Include:

Commercial Construction

Industrial & Flex Warehouse Projects

  • Design-Build & Expansion
  • Structural Upgrades & Modernization

Residential Construction

Demolition

  • Selective & Full-Structure Demolition

Civil Work

  • Site Preparation & Clearing
  • Excavation & Grading

Concrete & Structural Work

  • Flatwork & Foundations
  • Structural Concrete
  • Storm Systems, Culverts & Retaining Structures

Plumbing Services

  • Water Line Installation & Replacement
  • Drainage Systems & Venting
  • Gas Line Installation
  • Fixture & System Upgrades

Mechanical & HVAC Systems

  • Rooftop HVAC Units & Installation
  • Ductwork & Ventilation Systems
  • Equipment Replacement & Upgrades
  • Preventive Maintenance & Testing

Electrical Services

  • Single-Line Design & Installation
  • Underground Power Systems
  • Inverters & Generators
  • Title 24 Compliance

Utilities & Infrastructure

  • Wet & Dry Utility Installation
  • Storm Drain & Sewer Systems

Exterior Finishes & Protection

  • Weatherproofing & Waterproofing
  • Fireproofing & Glazing
  • Awnings & Canopies
  • Building Aesthetics & Architectural Details
  • Parking Lot Construction & Striping
  • ADA Compliance

Ready to start your project?

Contact S-Line Contractors today for a free consultation and let’s bring your vision to life.

Why Choose S-Line Contractors in Covina?

  • Experience & Expertise – Our extensive experience in Los Angeles County makes us a top Covina contractor with a reputation for excellence.

  • Quality Materials & Craftsmanship – We use only the best materials to ensure long-lasting results.

  • Seamless Process – From initial consultation to final delivery, we manage every step of the construction process with efficiency.

  • Commitment to Safety & Compliance – We adhere to all California building regulations, ensuring your project is both safe and compliant.

Start Your Construction Project in Covina Today

If you’re interested in starting a commercial renovation in Covina or a home renovation, we’re here to help. Contact us today to request a consultation, and let’s discuss how we can bring your vision to life. Whether you’re upgrading a commercial space, remodeling a home, or working on tenant improvement, S-Line Contractors is the general contractor you can count on.

Contact Us

Let’s make your construction dreams a reality! Reach out to Covina’s top contractor for a consultation today.