Looking for reliable
testing and inspection
services for your next
construction project? Contact us Get in touch with us today by filling out the form below.
Our team is ready to provide you with tailored solutions
and expert support.

Our Certificates

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Commercial Building Inspector

Structural Masonry Special Inspector

Prestressed Concrete Special Inspector

Reinforced Concrete Special Inspector

City of San Diego #1369

Our Services

 At DSSI, we offer industry-leading testing and inspection services to ensure your construction projects meet the highest quality and safety standards. Our expertise includes:

Concrete Sampling and Testing

Ensuring structural integrity and durability through precise testing.
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Soil and Aggregate Testing

Verifying material properties to guarantee a solid foundation.

Structural Masonry

Offering detailed evaluations to ensure compliance with building codes.
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Wood Framing and Commercial Building Inspections.

Identifying any issues during construction to prevent costly delays.

Our Commitment

We provide full project oversight, from initial planning through completion, ensuring that your project runs smoothly and efficiently. Our management services include:

  • Scheduling inspections and coordinating with contractors.
  • Managing compliance with all relevant regulations and codes.
  • Offering technical support throughout the project lifecycle.

Why Choose DSSI?

With over 21 years of experience in the construction testing and inspection field, DSSI guarantees precision, reliability, and safety in every project we handle.

Our founder, Luis Fernando Vélez, has worked on major projects across San Diego County and Imperial County, California, delivering consistent results for both residential and commercial clients.

21
21
Years of experience
21
Laboratory Manager / Field Manager / Inspector Laboratory Manager / Field Manager / Inspectorn

Contact us for an estimate:

Monday to Friday 7:00 AM to 4:00 PM +1 (760) 855-7871
Our Projects

Portfolio Highlights

 At DSSI, we offer industry-leading testing and inspection services to ensure your construction projects meet the highest quality and safety standards. Our expertise includes:

Fernando, as an inspector, is the most honest, helpful, and dedicated person. He never hesitates to make any necessary corrections, which gives ColRich and me confidence that our project is in good hands.I would always recommend Fernando to anyone in need of his services as an inspector.I would rate his work with a 5-star rating.
Andrés Gutiérrez

Andrés Gutiérrez

Assistant Superintendent, ColRich
I highly recommend Luis Fernando VelezFernando is an exceptional Inspector who is thorough with his Inspections. He shows up on time when scheduled and is very responsive with his Reports.He is very personable and speaks dual languages which is so helpful in the field. When Fernando shows up to one of my Projects I know I have the best.
Bobby Martin

Bobby Martin

Superintendent, COLRICH
Fernando, as an inspector, is the most honest, helpful, and dedicated person. He never hesitates to make any necessary corrections, which gives ColRich and me confidence that our project is in good hands.I would always recommend Fernando to anyone in need of his services as an inspector.I would rate his work with a 5-star rating.
Andrés Gutiérrez

Andrés Gutiérrez

Assistant Superintendent, ColRich
I highly recommend Luis Fernando VelezFernando is an exceptional Inspector who is thorough with his Inspections. He shows up on time when scheduled and is very responsive with his Reports.He is very personable and speaks dual languages which is so helpful in the field. When Fernando shows up to one of my Projects I know I have the best.
Bobby Martin

Bobby Martin

Superintendent, COLRICH

Saman Saeedi Residence (ADU), San Diego, CA

Conducted comprehensive foundation inspection including advanced epoxy anchoring.

Shot Crete Inspections

Shot Crete Panels and Core Testing

San Ysidro Health Shoring, National City, Califronia

Tie-Backs

La Panera Bread Corporate Building (Manna Construction), Encinitas, CA

Concrete, Masonry and Structural Steel

Masonry and Concrete Inspections at Cota Vera, Chula Vista, CA

Asphalt and Concrete Improvements

San Diego County Water Authority Pipeline 3 Relining

San Marcos to Poseidon pipeline connection Grout and Soils testing

San Diego County Water Authority Pipeline 4 Relining SR-52 to Lake Murray Reservoir

Pipeline 3 Lower Otay, SAN DIEGO, California.

Sunrise Power Link from El Centro to Miramar San Diego

Soils Inspections

Montgomery Field Airport, Runaway 10L-28R Improvement project

Runway Investigation and Paving
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