Smog Stop - STAR Smog Test Only Centers.


State approved Facilities.

Your one stop for Regular, Star, Test Only, & Gross Polluter Smog Certification Inspections.

We perform all State of California DMV required smog check inspections incuding -

Change of Ownership & out of state & initial vehicle registration inspections.

We have 3 Convenient locations to better serve your needs.

1 location in Upland and 2 locations in Rancho Cucamonga.

Walk ins welcome Appointements are also available.

Se habla Espanol

Rancho Cucamonga Locations -- ( Star Stations)

8840 Archibald Ave                                      8220 Masi Dr

STE#D                                                             STE#C

Rancho Cucamonga                                           Rancho Cucamonga

CA 91730                                                        CA 91730 

909 581 1980                               909 948 0420

North of Railroad Tracks                                   On Masi Dr behind 

on Archibald near 8th St                                   24HRS  Fitness Center.

Behind Big O Tires.

Next to Aamco Transmission.



Upland Location -- ( Star Station)

475 N Mountain Ave    

Upland CA 91786

909 579 0620

Located in Thrifty Gas Station, Corner of Mountain / Arrow.