Mathilda Smog Check

Smog inspection station

5.0 5.0 from 1413 reviews

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Mathilda Smog Check is a smog and emissions station in Sunnyvale, CA. It holds a 5.0 star rating from 1,413 customer reviews. Read the reviews and hours below, or call (650) 444-1812.

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Address498 N Mathilda Ave, Sunnyvale, CA 94085

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Phone(650) 444-1812

Websitehttps://www.mathildasmogcheck.com/

Also onGoogle

LicenseCalifornia BAR ARD 312739Active on the state's licensee list (October 2026), registered since 2025

Smog checkLicensed smog station, Test Only (312739)

Hours

See the full week

Monday	9 AM–5:30 PM
Tuesday	9 AM–2:30 PM
Wednesday	9 AM–1:30 PM
Thursday	9 AM–1:30 PM
Friday	9 AM–2:30 PM
Saturday	9 AM–5:30 PM
Sunday	9 AM–5:30 PM

Mathilda Smog Check Reviews & Ratings

Customer reviews 5.0 5.0 · 1413 reviews

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What Car Repairs Cost in Sunnyvale, 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