Independent third-party special inspection
Keep your project’s special inspections moving.
Qualified inspection coverage for Los Angeles County and the San Gabriel Valley—from scheduling through reporting and sign-off.
Full-service inspection coverage
Four of our most requested special inspection types.
ASI provides these core services and other special inspection types by assigning qualified special inspectors based on the required inspection type, certifications or approvals, jurisdiction, project location and availability.
Reinforced Concrete
Reinforcing steel, embeds, concrete placement, sampling and field reports.
View service 02Structural Masonry
Blockwork, reinforcement, anchors, mortar and grout placement.
View service 03Steel, Welding & Bolting
Structural steel, welds and high-strength bolts, matched to your scope.
View service 04Post-Installed Anchors
Adhesive and mechanical anchors checked against approved installation details.
View serviceA dependable process
One call keeps the inspection moving.
ASI gives owners, design professionals and contractors a single scheduling contact while preserving the qualifications and report authorship of the assigned inspector.
“I’ve called ASI at the last minute more than once, and they always find a way to get an inspector out.”
“I’ve used ASI for just about every type of special inspection... I recommend them to every project owner.”
“Their inspectors show up prepared and know exactly what they’re looking at.”
- 01
Send the essentials
Project address, jurisdiction, permit number, requested date and time, inspection type and description of the work.
- 02
ASI reviews the request
We check the work described, local approval requirements, location and qualified special-inspector availability.
- 03
We provide the price
For a straightforward inspection, ASI confirms the price directly. For a larger project involving multiple visits or inspection types, we send a written estimate.
- 04
A qualified special inspector is assigned
ASI controls the assignment based on qualifications, jurisdiction and availability.
- 05
Inspection through sign-off
The inspector observes the work, documents the visit and ASI keeps reporting moving.
Built around the project team
Owners, design professionals and contractors get the same thing: a clear path forward.
Special inspection is independent verification of observed work against the approved construction documents and Statement of Special Inspections. It does not replace the building department, the contractor’s responsibility or the design professional’s authority.
Why project teams choose ASILocal coverage
Close to the work that needs us.
Our service sweet spot is Alhambra and the San Gabriel Valley, with coverage throughout Los Angeles County and surrounding Southern California jurisdictions when and where you need us.
Integrity · Reliability · Accuracy



