# NTS Engineering > NTS Engineering is a licensed engineering and design firm serving California across 18 counties — Orange, Los Angeles, Riverside, San Bernardino, San Diego, Ventura, Santa Clara, San Francisco, Alameda, Sacramento, Fresno, Stanislaus, Kern, San Mateo, Santa Barbara, Sonoma, Marin, and Santa Cruz. Licensed by the California State Board, with 20+ years of experience and 1,000+ completed projects. 24-hour response guaranteed. Phone: 949-996-0990 · Email: info@ntsgeo.com ## Services - [Geotechnical Engineering](https://www.ntsgeo.com/services/geotechnical-engineering): Soils reports, foundation design, slope stability analysis, liquefaction analysis, field exploration, lab testing, and pavement engineering. - [Structural Engineering](https://www.ntsgeo.com/services/structural-engineering): Structural design for residential, commercial, and industrial projects — wood, steel, and concrete. - [Civil Engineering](https://www.ntsgeo.com/services/civil-engineering): Grading and drainage plans, retaining walls, site development, and permit coordination. - [Residential Design and Planning](https://www.ntsgeo.com/services/residential-design-and-planning): Custom home design, home additions and remodels, permit-ready construction plans, and fire rebuild design services. - [ADU Design and Planning](https://www.ntsgeo.com/services/adu-design-and-planning): Detached and attached ADU plans, garage conversions, JADU design, and permit-ready ADU packages. - [Geotechnical Observation and Testing](https://www.ntsgeo.com/services/geotechnical-observation-and-testing): Grading observation, compaction and soils testing, and construction inspection services. ## Key Facts - Licensed · California State Board - 20+ years of experience · 1,000+ projects completed - 24-hour response guaranteed - Service area: 18 California counties — Orange, Los Angeles, Riverside, San Bernardino, San Diego, Ventura, Santa Clara, San Francisco, Alameda, Sacramento, Fresno, Stanislaus, Kern, San Mateo, Santa Barbara, Sonoma, Marin, and Santa Cruz - Fire rebuild design and engineering services for Palisades Fire and Eaton Fire recovery (Pacific Palisades, Malibu, Altadena, Pasadena, Sierra Madre) ## Contact - Phone: 949-996-0990 - Email: info@ntsgeo.com