San Diego Smog Station in College Area operates a DMV-certified STAR Station at 4642 College Avenue, San Diego, 92115, processing smog inspections for registration renewals, title transfers, and out-of-state vehicle certifications. The station holds both Test Only and STAR designations from the California Bureau of Automotive Repair, meaning it can handle the directed-inspection vehicles that the state's BAR randomly selects for enhanced emissions scrutiny. Vehicles that fail the OBD-II readiness portion of the test often need drive-cycle completion or sensor repair, and the station refers that mechanical work to Allman Family Auto in College Area for the diagnostic and repair side before the retest. Inspections run 10 to 15 minutes per vehicle and follow the three-tier California protocol: visual inspection for missing or modified emissions components, visible-smoke checks on both engine and tailpipe sides, and OBD-II diagnostic scans covering drive-cycle readiness, check-engine-light function, and stored diagnostic trouble codes. The shop sits at the corner of Adams Avenue and College Avenue, with walk-in-only scheduling that keeps the queue moving without appointment backlogs. College Avenue is the north-south commercial spine closest to the SDSU campus, and this 92115 address draws heavy volume from students registering vehicles in California for the first time and commuters renewing annual tags. Customers needing a rental vehicle while their car undergoes smog-related repairs at a separate shop can arrange pickup through Sensible Car Rental in the same College Area corridor. Certificates transmit electronically to the DMV upon passing, with a hard-copy vehicle inspection report printed for the customer — no additional paperwork or DMV visits required for the smog portion of registration. Pre-scan diagnostics are available on request, checking OBD-II readiness monitors and stored codes before the official test to identify potential failures and avoid the retest fee.