R And D Automotive Repair

R And D Automotive Repair is a test-and-repair smog check station in San Marcos, CA.

4.9(24 reviews)

175 Navajo St, San Marcos, CA 92078

Price

Call for price

Hours

Open Mon–Fri

Station type

Test & Repair

Appointments

Walk-ins welcome

Hours

Monday
8 AM – 5 PM
Tuesday
8 AM – 5 PM
Wednesday
8 AM – 5 PM
Thursday
8 AM – 5 PM
Friday
8 AM – 5 PM
Saturday
Closed
Sunday
Closed

Good to know

Languages

English

Payment

Cash, Credit Card

Other stations near R And D Automotive Repair

Nearby cities in San Diego County

Questions about R And D Automotive Repair

No. R And D Automotive Repair is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.


No. R And D Automotive Repair is licensed as a Test & Repair station. This station can run your smog test and, if the vehicle fails, diagnose and repair it in the same shop.


R And D Automotive Repair is open Monday 8 AM to 5 PM; Tuesday 8 AM to 5 PM; Wednesday 8 AM to 5 PM; Thursday 8 AM to 5 PM; Friday 8 AM to 5 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.


Yes. R And D Automotive Repair accepts walk-ins, so you can drive in without booking ahead.


R And D Automotive Repair accepts Cash, Credit Card.


R And D Automotive Repair has held a BAR smog license since 2015. You can verify the license status at bar.ca.gov.


R And D Automotive Repair has not published a price on SmogCheckDeals. The Bureau of Automotive Repair puts the statewide average at $69.16 as of August 2026, about $65 for a 2000-or-newer vehicle and $73 for 1999-or-older, plus the $8.25 certificate fee. Call (760) 744-3300 for a quote.


R And D Automotive Repair does not take online bookings here, but walk-ins are welcome. Call (760) 744-3300 to check the wait.


Staff at R And D Automotive Repair speak English.


Bring the car, your registration or DMV renewal notice, and a way to pay. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.


Because R And D Automotive Repair is a Test & Repair station, it can diagnose and repair the problem in the same shop, then run the free retest within 30 days. If the repair bill is steep, California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.


The closest alternatives in San Marcos are High Tech Auto (0.1 mi) and Smog Central Station (0.4 mi). Both are listed further up this page with their ratings and hours.


How we get this data: BAR licenses and STAR status, Google hours and ratings, coupons published by the station.

Verify this station’s license and STAR standing at bar.ca.gov.

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BAR field office: San Diego • Licensed since 2015

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