Built on design,
driven by engineering
Integrated Solutions.
Exceptional Results.
We take pride in providing our clients with services of professional geotechnical engineers and engineering geologists that are familiar with today's building codes and technology. Our geotechnical professionals are proficient in a variety of geotechnical tasks, including foundation design recommendations, liquefaction evaluation, pavement design, retaining structures design, seismic design, and slope stability.
Our structural engineering team has licenses in multiple states and have engineered various projects ranging from retaining walls to industrial buildings throughout California and the United States. We understand the building code, but we also understand the need to deliver high-quality structural engineering work within budget and efficiently.
Are you in need of grading and drainage plans, subdividing land, or in need of LID stormwater management plans? Our licensed civil engineers have the capability to service both your residential and commercial projects with cost effective and efficient design solutions that meet all local requirements.
NTS Engineering and Design provides comprehensive residential design, planning, drafting, permit preparation, and engineering coordination services for homeowners, developers, investors, and builders throughout California. Our experienced design professionals specialize in creating functional, attractive, and permit-ready plans for new homes, custom residences, accessory dwelling units (ADUs), junior accessory dwelling units (JADUs), home additions, remodels, multifamily developments, and residential communities. We work closely with clients to transform ideas into practical designs while maintaining compliance with local building codes, zoning regulations, and development standards. From initial concept development through permit approval and construction support, NTS Engineering and Design provides integrated design, civil engineering, structural engineering, and geotechnical engineering services that help streamline project delivery and reduce costly delays.
NTS Engineering and Design provides comprehensive ADU (Accessory Dwelling Unit) design and planning services for homeowners, investors, multifamily property owners, and builders throughout California. From detached ADUs and attached ADUs to Junior ADUs (JADUs), garage conversions, and multifamily ADU projects, our team creates functional, code-compliant living spaces that maximize property value and meet California's evolving housing requirements. We guide every project from the initial feasibility study through permit-ready architectural plans, combining ADU design expertise with in-house civil, structural, and geotechnical engineering coordination to help streamline permitting and reduce costly delays.
NTS Engineering provides geotechnical observation, soil testing, and construction materials inspection services for residential, commercial, industrial, and infrastructure projects across California. From compaction testing during grading to concrete, masonry, and steel inspection during construction, our certified inspectors deliver same-day field reports and the documentation your city needs to close out your permit.
Your Project Deserves a Fast, Reliable Answer
From soils reports to design and engineering, NTS Engineering responds within 24 hours — keeping your project on schedule and your permits on track.
- Licensed
- Insured
- 20+ Years Experience
- 24h Response Guaranteed
Let's Get Started
Just your name and email to start. A representative will respond within 24 hours.
Spaces That Inspire
Geotechnical Engineering
1200 Olive Apartments
Los Angeles, CA
Structural Engineering
Redondo Beach Custom Home
Redondo Beach, CA
Civil Engineering
Rancho Mirage Subdivision
Rancho Mirage, CA
Residential Design and Planning
Pasadena Fire Rebuild
Pasadena, CA
ADU Design and Planning
San Ramon ADU
San Ramon, CA
Construction Inspection and Testing
Retaining Wall Footing Inspection
Hillside Development, CA
Years of Excellence
Building Environments Without Boundaries
Most engineering projects require multiple firms — geotechnical, structural, civil, architectural — each working in silos, each creating coordination risk. NTS Engineering was built to resolve that. We deliver every discipline through a single coordinated team, so your project moves faster, stays on budget, and has one point of accountability from start to finish. We serve San Diego County, Los Angeles County, Orange County, Riverside County, San Bernardino County, Ventura County, Santa Barbara County, Kern County, Fresno County, Sacramento County, Alameda County, Santa Clara County, San Mateo County, Marin County, Sonoma County, and Santa Cruz County — delivering 2,500+ projects throughout California.
One team
Geotech to architecture
20+ years
Proven in California
2,500+ projects
Residential to industrial
Licensed & insured
PE and GE certified
From Vision To Reality
Discover
Site Analysis & Planning
Design
Engineering Solutions
Develop
Technical Documentation
Build
Construction Support
Deliver
Project Completion
Ready to Move Your Project Forward?
Whether you need a soils report, structural plans, civil engineering support, or a full residential or ADU design package — NTS Engineering is ready to help.
What Our Clients Say
"We needed a soils report fast to keep our ADU permit on track, and NTS turned it around in under three weeks. The team explained everything in plain language and the price was exactly what they quoted upfront."
"I've worked with a lot of geotechnical firms over the years, and NTS is the only one that consistently hits our submission deadlines. Having structural and civil under the same roof has saved us weeks on every project this year."
"After losing our home in the Eaton Fire, the last thing we wanted was a slow, confusing rebuild process. NTS moved fast, answered every question, and got our geotechnical report done so we could finally move forward."
"We needed a geotechnical report quickly to keep our project moving, and NTS Engineering delivered. Their team was responsive, communicated clearly, and completed the report on time. The city review went smoothly, helping us avoid delays. Professional, reliable, and a team we'll definitely work with again."
"NTS Engineering did a great job with our construction testing and inspections. The inspectors were professional, the reports were detailed, and everything helped keep our project moving. Communication was excellent overall, though scheduling took a little longer than expected. We'd definitely work with them again."
"NTS Engineering made the design and permitting process much easier than we expected. They listened to our ideas, created plans that fit our vision, and kept everything moving on schedule. Their team was responsive, professional, and great to work with from start to finish."
"After losing our home in the fire, we needed a team that could guide us through the rebuilding process. NTS Engineering was knowledgeable, responsive, and delivered permit-ready plans that helped us move forward. There were a few scheduling delays, but the quality of their work made it worth it."
"NTS Engineering handled our grading and drainage plans with professionalism and kept us informed throughout the process. The plans were well prepared, and permitting went more smoothly than expected. There was a slight delay during revisions, but overall we were very happy with the service."
Frequently Asked Questions
NTS Engineering provides geotechnical, structural, and civil engineering, along with residential design and ADU planning — all under one coordinated team. Whether you need a soils report, structural plans, grading design, or a full ADU package, we handle it without bringing in outside firms.
Get In Touch
We'd love to hear about your project. Fill out the form below and our team will get back to you within 24 hours.
