I always thought a smog check was pretty much an all-or-nothing service. You pull in, they test the…read morecar, send the results to the DMV and you're out of there 10 minutes later. How much difference could there really be from one place to another? Turns out, quite a bit. When I got to Alpha Smog Center, Mike greeted me with a smile. The World Cup was on a TV in the background and apparently I wasn't doing a very good job of hiding the fact that I was trying to catch a glimpse of it. Mike noticed right away and invited me into the shop to sit down in a comfortable chair and watch while he took care of the car. I'm pretty sure he even offered me something to drink. The whole thing only took a few minutes, but the point is Mike treated me like a guest instead of just the next car in line. Those little things matter. My only minor complaint is that the location can be a little tricky to find because there are a couple other smog places right around it, so pay attention when you're pulling in. And yes, the important part was just as easy. The test was done quickly, the results were immediately reported to the DMV and I was cleared. Thanks, Mike. Appreciate the hospitality.

Pfft this guy is amazing. Free cold drinks. He gives you all the info to make things work. I failed…read moreand he gave two weeks of free tests as I solve my issue. He told ke exactly what to do. He suggested I use the guy next door to register my new vehicle. Within 24 hours I was smogged and done with reg with stickers in hand. Wild. So nice.

Quick same day service and competitive pricing Friendly…read morestaff I would recommend All Star Smog without hesitation

Easy! Was in and out in 20 minutes. Guy provided coupon for me so I would get a discount and…read moreassured me my time with the DMV was over when I passed and he sent it in. See you be again in two years.

This place is incredibly clean, the service is fast, and they even offer free Keurig coffee and…read morewater while you wait. The owner is young, immensely sharp, knowledgeable, and clearly knows his craft. He's friendly, personable, and treats you like he's known you for years. That kind of customer service is getting harder and harder to find. And here's the best part: call first and ask for the best rate! He beat every local price I found. I actually removed the posted prices from my review because he gave me a better deal than what was posted in the store. Quick note on finding the place: The Apple Maps directions were a little confusing for me at first. It's on Stone St., right when you turn off San Marcos Blvd. You can park along the curb, or if there aren't any cars there, he'll have you pull up into the small driveway. See the attached picture... that should make it much easier to spot. I honestly can't say enough good things about this place. Fast, knowledgeable, friendly, clean, and competitive pricing. If you need a smog check in San Marcos, I highly recommend giving Midnight Smog a call before you go anywhere else. Five stars all day!

My regular smog check place, where I'd been going for years, suddenly closed, and I only found out…read morewhen I drove up and discovered the building had become an EV used car lot. Go figure. Sigh. So I jumped on Yelp, found Midnight Smog, and I'm very glad I did. They were a little difficult to find at first because Google Maps sent us to the wrong location, but once we called, they were super helpful. I asked if I needed an appointment, and they said, "Nope, come right in." That alone was a huge win. The service was excellent from start to finish. They were professional, reliable, affordable, and efficient. The owner was incredibly nice, knowledgeable about cars, and very friendly. My car was smog checked and everything was handled within about an hour. In a world where good service can be hard to find, Midnight Smog was a breath of fresh air. I would absolutely recommend them to anyone needing a smog check, and I'll definitely be back!

The Best and most affordable smog check and certification business in N. County. I have been taking…read moremy two cars here for years and enjoying fast service and the best price in this area. They welcome walk-ins and service is fast. No additional fees for simple check and certification.

Check out Groupon for coupons and additional percentage off. Very polite young technician. Waited a…read morefew minutes since I was a walk in but after that testing was quick. Very reasonable prices.Will be back !

Great service and great price. Honestly, I paid LESS going to Pass 'N Go than I expected! And it…read morewas a better price than the pervasive "discount" test stations. Just walk in, get a great price, and no B.S. This is what I wish was the standard for all service providers.

Service still pretty good. Smog inspection was done within 20 minutes and there was no waiting at…read morethe time I arrived. Yelp deal no longer honored even though it's still presented during Yelp check-in.

Smog check was easy, service was fast and reliable. Leon knows a lot about the industry and is…read morehighly recommended especially for high end vehicles.

Great place to get a smog check. Leon the owner is very friendly. I was in and out quickly and the…read moreexperience went smoothly. No long wait, no hassle.

Hands down- the fastest smog check ever! I checked in, chatted with the super nice employee, and…read morewalked into the waiting room. I barely had any time to aimlessly scroll on my phone when my car was ready. The employee quoted ten minutes...no way. He was done sooner. Grab a coupon from their website. It's ten dollars off. Credit cards and cash accepted. Easy to find, big waiting area, super fast. See you in two years!

These guys are all about integrity, being friendly and doing the job that needs to be…read more Thanks again guys!

Great place to get your smog, Fabian really helped me out and explained what went wrong. And then…read morewhen I came back for a retest it was all good to go!!

Our experience here was so quick and smooth…read more We got there at 10:40 on a Wednesday morning and were out in 10 minutes. Fabian was also very kind and genuinely appreciative of us coming in. It's $50 for a standard car so pretty average on the price. Will definitely be coming back!