TGA Engineering Logo
Civil Engineering and Architecture
TGA Engineering Logo
Civil Engineering and Land Planning
About TGA
Why TGA?
TGA will be there from start to finish.
We will provide you with over 30 years of combined experience, and will use the latest technology and software to expedite the design of your project.
Our Mission
Our mission is to provide professional engineering services, produce a quality product, and serve our clientele with integrity and accountability.
House under construction
Statement of Qualification
The engineers at TGA offer many years of experience.
TGA Engineering Inc. strives to provide the highest quality engineering services, as well as customer service. We pride ourselves on our dedication to not only meet but exceed expectations. We operate under the belief that as a smaller firm, we are able to better serve our clients by maintaining a close and open line of communication throughout the duration of any project.

The engineers at TGA offer a combined 30 years of civil engineering experience, and over 40 years of construction experience. We have provided engineering services for a number of public agencies, and have designed improvement plans for the City of Fontana, City of Rancho Cucamonga, City of Moreno Valley, County of Riverside, Cucamonga Valley Water District, and Eastern Municipal Water District.

Our project managers have developed a positive reputation with public agencies that will be key to the success of your project. TGA's engineers have established a successful civil engineering practice, specializing in land development while working within the City of Fontana and EMWD.

Our engineers have been involved in Master Planned Communities, and have successfully designed extremely challenging arterial highways, sewer main lines, water distribution systems, and master plan storm drains. We accomplish all this while providing innovative, cost-effective, and sustainable systems for private and public entities.

Commercial building under construction
Current Projects
TGA provides Preliminary and Final Engineering services, including streets, sewer, storm drain, hydrology/hydraulics, detention basin, rough grading, precise grading, tentative tract maps, final tract maps, and Storm Water Pollution Prevention Plans (SWPPP) for many residential developments, including but not limited to:
  • Menifee Farms, Tentative Tract Map 3351 - Menifee, CA
  • Springhill Suites Hotel - Ontario, CA
  • Lynwood Skilled Nursing Facility - Lynwood, CA
  • 2.8-Acre Site at Garey Avenue and La Verne Avenue - Pomona, CA
  • North Canyon Ranch - Simi Valley, CA
  • Parcel Map 36281, Parcels 1 and 3 (Approx. 27.6-Acre Site) - Murrieta, CA
  • Hesperia Acute Care Facility - Hesperia, CA
Surveying equipment
Past Projects
  • Plan Checking for Rancho California Water District, City of Fullerton, City of Orange, and City of Anaheim
  • 180 Single-Family Homes - Hemet area (County of Riverside), CA
  • Tierra Vista Master Planned Community - Rancho Cucamonga, CA
  • Sierra Lakes Master Planned Community - Fontana, CA
  • Chapman Heights Master Planned Community - Yucaipa, CA
  • 800-Lot Master Planned Subdivision - Beaumont, CA
  • 800-Lot Multi-Tract Subdivision in the Eastvale Community - County of Riverside, CA
  • 500-Lot Subdivision including a 100-foot channel and two bridges, each 136 feet long and spanning 50 feet - Victorville, CA
  • Design of a two-mile Master Storm Drain 12' x 9' Box, including structural calculations
  • Grading Design Services for the Walt Disney Company at Disney's California Adventure Park

  • Home Depot- Multiple Sites in California and Arizona
  • Fresh & Easy, Fontana, California
  • Rite Aid, Fullerton, California
  • Morongo Travel Center, Morongo, California
  • Circle K Tenant Improvement, Fullerton, California
  • Retail Stores / Circle K Tenant Improvement, Cudahy, California
  • Circle K Tenant Improvement, Walnut, California
  • Circle K Tenant Improvement, Bellflower, California

  • First Entertainment Credit Union Tenant Improvement, Encino, California
  • McDonald's Tenant Improvement, Orange County, California
  • Baja Fresh, Thousand Oaks, California
  • Rally's Burgers, Fullerton, California

  • Tolltec Assisted Living Center Tenant Improvement, Santa Barbara, California
  • Skilled Nursing Facility, Fontana, California
  • Hospitality House Assisted Living Tenant Improvement, Salida, California
  • Golden Living Assisted Living Tenant Improvement, San Diego, California

  • Redlands Housing Tract Development, Redlands, California
  • Set-Aside Policy for Affordable Housing, Garden Grove, California
  • Government Agency and Military Housing Developments, San Diego, California
  • California Housing Tract Development, Perris Valley, California
  • Townhouse Complex Upgrade, Huntington Beach, California
  • Whittier Duplex Retrofit, Whittier, California
  • Custom Home, San Diego, California
  • Sherbourne Retrofit, Culver City, California
Aerial view of housing tract construction
We are Licensed in:
Arizona, California, Colorado, Florida, Hawaii, Louisiana, Massachusetts, North Carolina, New Jersey, New Mexico, Oklahoma, Pennsylvania, Texas, Virginia