OC Smog Lab

Smog inspection station

4.9 4.9 from 29 reviews

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OC Smog Lab is a smog and emissions station in Placentia, CA. It holds a 4.9 star rating from 29 customer reviews. Read the reviews and hours below, or call (323) 592-9360.

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Address100 W Chapman Ave unit B, Placentia, CA 92870

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Phone(323) 592-9360

Websitehttps://www.ocsmoglab.com/

Also onGoogle

LicenseCalifornia BAR ARD 315080Active on the state's licensee list (October 2026), registered since 2026

Smog checkLicensed smog station, Test Only (315080)

Hours

See the full week

Monday	8 AM–6 PM
Tuesday	8 AM–6 PM
Wednesday	8 AM–6 PM
Thursday	8 AM–6 PM
Friday	8 AM–6 PM
Saturday	8 AM–3 PM
Sunday	11:30 AM–2:30 PM

OC Smog Lab Reviews & Ratings

Customer reviews 4.9 4.9 · 29 reviews

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What Car Repairs Cost in Placentia, CA

Typical independent shop prices at California labor rates, parts and labor, for a midsize car. Each guide shows the price for your vehicle and what to ask before you pay. See all 91 repair cost guides.

Catalytic converter replacement cost $420 to $1,750 Oxygen sensor replacement cost $120 to $510 EVAP leak repair cost $140 to $740 EGR valve replacement cost $210 to $840 Purge valve replacement cost $110 to $460 Exhaust leak repair cost $150 to $690