Your Engineering Partner
At QSS, we are passionate about providing superior civil and structural engineering services. Our expertise and attention to detail ensure that your projects are executed efficiently, on time, and within budget.
QSS is a civil and structural engineering firm based in San Diego, California. Built on over 20 years of professional engineering experience and the foundation of our previous firm, Quality Masters, LLC, we bring a strong legacy of expertise, reliability, and technical excellence to every project. While Quality Masters delivered five successful years of engineering services, QSS expands that experience with a renewed vision, a stronger team, and a broader scope of services.
OUR VISION
QSS strives to become a trusted engineering partner across Southern California by delivering civil and structural solutions that are practical, safe, and tailored to the needs of each project. Our vision is to elevate the built environment through thoughtful design, clear communication, and reliable technical expertise. We aim to support homeowners, developers, and contractors with engineering services that simplify construction, strengthen communities, and set a high standard for quality and integrity in every project we touch.
OUR MISSION
Our mission at QSS is to provide dependable civil and structural engineering services that blend technical precision with practical solutions. We support our clients through every stage of design by delivering clear communication, responsive service, and cost-effective engineering grounded in safety and code compliance. QSS is committed to helping homeowners, developers, and contractors bring their projects to life with confidence, efficiency, and long-term performance.
QSS CORE VALUES
Integrity
We uphold honesty, accountability, and ethical decision-making in every project and client relationship.
Technical Excellence
We commit to high-quality engineering rooted in sound principles, practical experience, and continuous learning.
Reliability
We deliver clear communication, timely responses, and dependable results that clients can trust.
Safety First
We design with a focus on protecting people, property, and the long-term performance of the built environment.
Client Partnership
We listen, collaborate, and tailor our solutions to meet the unique needs of homeowners, developers, and contractors.
Innovation & Efficiency
We use modern tools and thoughtful problem-solving to achieve solutions that are both effective and economical.
Services
Our Focus
Why Choose QSS
-
20+ years of engineering experience
-
A proven track record through our previous firm, Quality Masters
-
A dedicated team of skilled engineers and designers
-
Designs tailored to each project's unique requirements
-
Reliable support from concept to construction
QSS is a civil and structural engineering firm located in sunny San Diego. With over five years of experience in the field, we specialize in a variety of engineering services, delivering outstanding results.
What We Do
We specialize in providing complete civil and structural engineering design services, including:
-
Residential design
Single-family homes, remodels, additions, and new custom residences. -
ADUs (Accessory Dwelling Units)
Full structural and civil design packages optimized for efficiency and compliance. -
Commercial projects
Tenant improvements, small commercial buildings, and specialized structural evaluations. -
Engineering consultations
Professional guidance, assessments, and technical support for property owners, developers, and contractors.
Our Commitment
At QSS, our mission is simple: deliver high-quality engineering solutions that make projects safer, smoother, and more successful. We prioritize clear communication, fast turnaround times, and designs that are both structurally sound and economically practical.
Our dedication to efficiency, competitive pricing, and strict compliance with local regulations ensures that we meet all project requirements, ultimately leading to client satisfaction. At QSS, quality is at the core of everything we do.
Expertise
Who We Are
QSS is led by a licensed California civil engineer with two decades of hands-on experience in designing safe, efficient, and cost-effective structures throughout Southern California. Our team includes highly skilled engineers and designers who have worked on a wide range of projects — from residential homes and ADUs to commercial buildings and specialized structures.
Together, we combine practical field knowledge with advanced engineering tools to deliver solutions that meet today’s demanding design standards.
​
Design
Creative Solutions
Our team develops innovative designs that adhere to local codes, balancing aesthetics with practicality, resulting in structures that are both beautiful and functional.
We Do:
-
Residential design
Single-family homes, remodels, additions, and new custom residences. -
ADUs (Accessory Dwelling Units)
Full structural and civil design packages optimized for efficiency and compliance. -
Commercial projects
Tenant improvements, small commercial buildings, and specialized structural evaluations. -
Engineering consultations
Professional guidance, assessments, and technical support for property owners, developers, and contractors.
Development
Project Management
We manage all phases of site development, coordinating with various stakeholders to ensure seamless implementation while sticking to your timeline and budget.
Hydrology
Water Studies
Our hydrology studies provide crucial insights into water management, ensuring compliance and sustainability in every project we undertake.
Collaborators
Our Partners
We proudly collaborate with various industry partners to enhance our service offerings. Together, we ensure the highest quality of engineering solutions to meet client needs.