The smog check was quick and easy. The value was the cheapest I could find. Would recommend and use them again for a smog check.

After getting ripped off by Smog Test Discount Center (which has the worst reviews of any here on Yelp) i went further down on Valley to this shop. Totally different experience, professional, friendly, caring, honest. read more

I just got my smog check done here and it was a great experience! The process was fast, the place was clean, and the staff was super friendly. The pricing was fair for the smooth service I got. I'd definitely recommend them! read more

It's great place to get your smog test done for dmv registration renewal and good prices and fast / friendly customer service. I have done three car and suv vehicles previously. Each time fast and friendly customer service. They give you the paperwork for your records. You can pay cash or credit cards. Love this place. It has nice roomy waiting area with a couch, chairs, a tv and soda machine. I would recommend this place. read more

Piedra's Smog Test Only - Piedra's seating and waiting area with sofa and comfortable chairs and tables. - Smog Check Stations Near Me - Walnut, California

Good customer service. It's fast and easy. It takes less than 20 minutes. Front desk is really accommodating.

Been coming here for years. How long? Let's just say I probably pulled a coupon from the Pennysaver my first time here. Anyway, this place is the most convenient location to get a quick smog certificate. I've been here when it's crowded, and they are still fairly quick getting you serviced. But I still totally recommend coming in early. There are usually 1, maybe 2 people working but again, fast service. I got in today at 0804 and was driving home by 0824. Also the pricing is good. There is a coupon online that makes it only $55. Definitely, a convenient option. read more

Piedra's Smog Test Only - Waiting room - Smog Check Stations Near Me - Walnut, California

Service was quick and easy. Receptionist was very nice :) There was AC in the waiting room. Would come again. read more

Quick and a good service. Was in and out within 15 minutes. Employees were friendly no complaints

Place is great, they were able to take my car in without appointment right away. Relaxing environment inside with plenty of comfortable seating and big screen tv while you wait. Outside there's a bench with good music on great sounding speakers. Super friendly and clean establishment. read more

I took my Nissan car for a Smog Test and this time I had to do it at a STAR Station. I forgot that I had been to Piedra's Smog Test Only a few years ago. They have the Smog check deal for $46.75 +$8.25 State Certification (Total $55) by checking in on Yelp. The price was very reasonable. You can pay by Cash or Credit card (I used Apple Pay). My car was done in about 15 minutes and he gave me a copy of the Smog Check Inspection Report and the certificate has been electronically transmitted to DMV. It was fast and service was friendly. Easy Peasy! read more

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I Yelped for a smog test, being new to the area. Piedra's had a Yelp special and I was able to made a same day appointment. Service was easy peasy -- quick! Arriving I wasn't sure where to park and left the car near the building. Upon walking in, the attendant got my information and my key and told me to have a seat. I opened my computer to do some work. Before I could get much work done the car was ready, with results sent directly to the DMV. Nothing fancy, but Piedra's got the job done. I'll be back! read more

Family owned. Not the most fancy place, but quick and got the job done. Not much parking inside, but enough along the street if needed.

This is a tough review for me, because I really appreciate and enjoy the family dynamic of this business, yes they do have excellent service, but this feeling in my soul won't let me keep this in. Ok this time upon taking my car to get a smog for the return free service everything went well, except when I left I forgot my original DMV registration that I know I put on the counter along with the receipt of my first payment. When I went back to ask them about my original DMV print out, the wife went behind the service desk to ask who I assume is her husband the technician. They pull out what might appeard to be my original DMV document, exchange a few words and then proceeds to come back in from behind the glass and say nope, haven't seen it, but you can pay the 39.99 here to get your tags and everything in one stop. Instead of asking to view the document they pulled out of the drawer, I assessed the situation, feeling in my gut that that was my document, but instead I let it go. Paid for everything there and told them to have a nice day. They probably took me for the 39 bucks, but I just chalked it up to the game of life, I really really liked that establishment because it was a good vibe and friendly energy, but sadly I won't be returning because of that, however I encourage others to still go there because it is a good quick fast service, but once I get a shady feeling about something I can't return. Just know God sees all, and I still wish this family well, blessings and peace read more

I'd still say I had a good experience and they did well within the timeframe. However, I did notice later that day my window locks were no longer working and upon inspection, I saw the covers no longer stuck on near each door handle. I'm sure if I took it back they'd fix it, it's just a little annoying that I'd need to in the first place. Also probably my bad for not checking better read more

The people at Piedras Smog are super kind and attentive.I got in and out of Piedras smog within what it felt like 15 minutes. Please go check the Piedras website, I found a coupon on there for my smog, price was already fair, but I definitely like discounts! I will definitely get my smogs on my other cars done at Piedras when the time comes. read more

Good service and work they are fast and efficient and super helpful. I recommend them they did my smog and registration

They offer a coupon on the website for 47.00 for smog test. However , will not inform the customer and allow you to pay $76. Didn't even mention it .. most business will offer their customers any discounts that are advertised. I found this to be very off putting. ... Update: It is clear by the argumentative and nasty response from the owner that my 1 star stands . If the owner sees my review as misleading, instead of using professionalism and decorum to respond ... see below, his poor attitude speaks for itself. I will have a great day elsewhere. read more

Piedra's Smog Test Only - Example of coupon. - Smog Check Stations Near Me - Walnut, California

Fast and friendly service. Did a great job on the smog check. If you need a quick inspection Piedra's is the place to get it done.

Came in to get smog check done on my car. They were quick and communicated the issue when it didn't pass the first time. Got new O2 sensors, ran the car for a few days and then it passed. Free re-test and the price for a smog check is not pricey like some of the places closer to me. read more

For the past two years, since our Smog Check guy, Chae, passed away unexpectedly, I had been wondering what I was going to do when it came time to get our cars smogged. Fortunately this afternoon, I stumbled upon Piedra's Smog Check Only in a Google search. It was so fast, and so painlessly easy, that I didn't have time to finish the computer work that I brought with me. And they are exactly what I appreciate about small business. They are friendly, informative and congenial. I saw several of their return customers come to the counter and each was treated like a member of the family. Smog Check Only isn't quite correct. They take care of all your DMV registration and title needs and insurance too! Just like those old infomercials used to say: But wait! That's not all! As I was packing up to leave, I was letting them know that they had just earned all my business for the 3 cars we own and dropped a little nugget about how I wished they did RVs too, and THEY DO! They have their Clean Air certification for diesel RVs! I'm all in! If you live in Walnut, for a small fee, they said that they do a house call for your CARB certificate on your RV. WHAT?!?! 5 Stars! read more

Had to get a last minute smog test and this is for sure the place I would recommend to anyone. It took no longer then 30 mins and they also have a Yelp coupon that makes the price even cheaper. Win win in my book. Plus the service was good. read more

I got a smog check here and the staff was really helpful and very quick. Would definitely return

Great customer service, the young girl at the counter was polite , professional and courteous . The price was less than the other competitors . read more

Went for smog test just had to wait 15 minutes on a Saturday morning. Great prompt service and all went well. Excellent place to come for smog testing. read more

Very quick and make sure you show the coupon ahead of time for great deal. Definitely recommend this place and was worth it

I got lucky and arrived right before 8 people. Had to get a smog check. They took me in quick, passed me and I was out within 20-30 minutes. read more

This place is the best place I've ever been to for a smog check. I was having a bad day, and an employee, who was wearing really cool earrings spent time listening to me and comforted me and I am so grateful for that, so, if you're reading this, thank you ! Beyond that, they are very professional, and I'm not lying, when they say you're getting your smog check done in 10 minutes, you are getting it done in 10 minutes!! I highly recommend this place, I will get my smog check done there every year. read more

Service was quick and got a decent price for my smog check. Definitely would come back

Best in the game , Period. Skip the long DMV lines and come to piedras for your smog and registration done on the spot nothing but good things to say they'll literally take care of you like family . read more

Piedra's Smog Test Only - Car that I smogged - Smog Check Stations Near Me - Walnut, California

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Quick, quality, friendly service. Nice air conditioned waiting area. Helpful and informative.

Beware! Beware! Better hope car passes. if not, you have 10 days or pay again almost full cost.....

Service was quick, easy and affordable. I called the same day to verify they were able to do a smog check before I came in.

The staff is friendly, responsive, and helpful. They are soooo quick! I brought a book and didn't get far before they told me they had finished already. If you show them the coupon, it locks in the ~$55 price that covers it all. I would definitely return. read more

great service, in and out within 30 minutes..always come here when it's time for a smog.

For the past two years, since our Smog Check guy, Chae, passed away unexpectedly, I had been wondering what I was going to do when it came time to get our cars smogged. Fortunately this afternoon, I stumbled upon Piedra's Smog Check Only in a Google search. It was so fast, and so painlessly easy, that I didn't have time to finish the computer work that I brought with me. And they are exactly what I appreciate about small business. They are friendly, informative and congenial. I saw several of their return customers come to the counter and each was treated like a member of the family. Smog Check Only isn't quite correct. They take care of all your DMV registration and title needs and insurance too! Just like those old infomercials used to say: But wait! That's not all! As I was packing up to leave, I was letting them know that they had just earned all my business for the 3 cars we own and dropped a little nugget about how I wished they did RVs too, and THEY DO! They have their Clean Air certification for diesel RVs! I'm all in! If you live in Walnut, for a small fee, they said that they do a house call for your CARB certificate on your RV. WHAT?!?! 5 Stars! read more

Highly recommended smoke check places to go. Fast and easy with no questions asked. Just show the couple through yelp and you will get discount price accordingly. I am with Piedra's Smog Test for over 10 years. Comfortable waiting area with big screen TV while you're waiting. Go early in the morning waiting time like more or less around 20 minutes if no customer a head do you. Graded A+ smog test places read more

Service Request: fast took only 30 min to be in and out Value: they have an online coupon, making it reasonable. I love coupons read more

Great service! Got me in and out quick! Friendly staff. Eva was great! I'll be coming back

Very friendly, fast and professional! Thank you ! Comfurtable waiting room , TV I recommend this business !

Great service! Silvino got my smog check done in about 15 minutes. I went around 8 AM, no appointment needed and no line at all. Super quick and easy experience. Highly recommend! read more