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Expert Civil Engineering Services in Southern California
QLC Engineering provides comprehensive civil engineering design services tailored to Southern California's unique requirements. Our team consists of licensed California Civil Engineers with over 15 years of specialized experience in Los Angeles County design standards and regional regulations. We serve architects, developers, contractors, and homeowners through full-service engineering solutions including site grading, drainage systems, and compliance documentation.

Our expertise extends to SB9 lot split projects, utility design, and erosion control planning while maintaining direct communication with contractors to ensure proper implementation. With a focus on technical excellence and client collaboration, we deliver professional engineering services across residential, commercial, and industrial sectors throughout Southern California.
Services
Civil Engineering Design SB9 Lot Split Site Grading Plan Earthworks Calculations Retaining Wall Design Utility Design Low Impact Development Stormwater Management Erosion Control Plan Road Design
Highlights and features
  • We have 15+ years of specialized experience in Southern California engineering design
  • Our team consists of licensed California Civil Engineers
  • We specialize in SB9 lot split projects and compliance documentation
  • We maintain direct communication with contractors for proper implementation
  • We serve all project types from single-family homes to industrial developments
What people say
Professional way Fast Very helpful Highly recommend Proper installation
Services
Civil Engineering Design
QLC Engineering provides comprehensive civil engineering design solutions for residential, commercial, and industrial projects. Our services include site grading, drainage systems, and utility design that meet Southern California's specific requirements. With licensed engineers specializing in local regulations, we deliver technical excellence across all project types.
SB9 Lot Split
Our SB9 lot split service helps property owners maximize development potential under California's ministerial approval process. We create detailed drawing plans that meet eligibility criteria for creating multiple housing units on traditionally single-family lots. This specialized service requires deep understanding of current regulations.
Stormwater Management
QLC Engineering designs comprehensive stormwater management solutions including Water Quality Management Plans and Low Impact Development strategies. Our expertise ensures proper drainage system implementation while maintaining environmental compliance. We specialize in both residential and commercial applications.
Erosion Control Plan
We develop customized erosion control plans that prevent soil displacement and water quality issues. Our solutions include SWPPP documentation and site-specific mitigation strategies. These plans are essential for construction projects across various terrain types in Southern California.
Road Design
Our road design services cover fire access planning, street improvement permits, and complete roadway layouts. We ensure compliance with local regulations while optimizing traffic flow and safety. This includes detailed profile and section drawings for proper implementation.
Questions
What areas do you serve?
We provide engineering services throughout Southern California, including Los Angeles, Ventura, Orange, San Bernardino, and Riverside Counties.
What is your SB9 lot split service?
Our SB9 service helps property owners divide lots for multiple housing units while meeting California's ministerial approval requirements through detailed drawing plans.
Do you handle both residential and commercial projects?
Yes, we work on all project types including single-family homes, ADUs, multifamily housing, commercial buildings, and industrial developments.
How quickly can you complete a project?
Project timelines vary by complexity, but we prioritize efficient service delivery while maintaining technical accuracy and regulatory compliance.
What sets you apart from other engineering firms?
Our team combines 15+ years of local experience with direct communication between engineers and contractors for optimal implementation.
How do I request a quote?
You can request a free quote through our website or by contacting us directly at (626) 658 8258.