Crown Smog is a smog check station in North Hollywood that tests vehicle emissions

Crown Smog is a privately owned smog check facility located in North Hollywood, California. It performs the emissions testing required by the state to register or renew registration for most vehicles. The station tests whether your vehicle's exhaust meets California's air quality standards — a requirement that applies to most cars, trucks, and motorcycles in the state.

Smog checks are not optional in California. If your vehicle is subject to the requirement and you do not pass a test, you cannot complete vehicle registration until repairs are made and you pass a retest. Crown Smog, like all smog check stations, is certified by the California Bureau of Automotive Repair to perform this testing.

Key Takeaways

  • Crown Smog performs state-mandated emissions testing required for vehicle registration in California.
  • Most vehicles need a smog check every two years, or annually if the vehicle is older or has failed a previous test.
  • You will need your vehicle registration documents and a valid ID when you visit.
  • The test itself takes 15 to 30 minutes, and results are reported directly to the California Department of Motor Vehicles.
  • If your vehicle fails, you must have repairs made and return for a retest before registration can be completed.

When you need a smog check at Crown Smog or another station

California requires a smog check when you register a vehicle for the first time in the state, when you renew registration every two years, or when you transfer ownership. Vehicles that are model year 1975 or older, or that are brand new, are exempt from the requirement.

Vehicles that have failed a smog check must be retested after repairs are completed. Some vehicles — typically those with high mileage or older model years — may be required to test annually instead of every two years. Your registration notice will tell you whether a smog check is required for your vehicle.

What happens during a smog check

When you arrive at Crown Smog, bring your vehicle registration and a valid ID. The technician will connect your vehicle to a testing machine that measures the levels of nitrogen oxides, hydrocarbons, and carbon monoxide in your exhaust. The test takes 15 to 30 minutes depending on your vehicle type.

The machine produces a printed report showing whether your vehicle passed or failed. If you pass, the results are sent electronically to the California Department of Motor Vehicles, and you can complete your registration. If you fail, the report will show which emissions were out of range and what repairs may be needed.

What to do if your vehicle fails the smog check

A failed smog check does not mean your vehicle cannot be fixed. The test report will indicate which emissions exceeded the limit. Common reasons for failure include a faulty oxygen sensor, a malfunctioning catalytic converter, or an engine problem that affects combustion.

You can take your vehicle to any repair shop — not necessarily the smog check station — to have the problem diagnosed and repaired. Once repairs are complete, you must return to a smog check station for a retest. Crown Smog or any other certified station can perform the retest. You do not have to return to the same location where you failed.

Cost and payment at Crown Smog

Smog check prices vary by station and by vehicle type. Crown Smog's fees depend on whether you are testing a car, truck, motorcycle, or diesel vehicle. Call the station directly or check their website for current pricing, as fees are not set by the state and differ between locations.

Most smog check stations accept cash and card payments. Some stations offer discounts for online booking or for customers who bring their own paperwork. Ask about payment methods and any current offers when you call to schedule your appointment.

How to find Crown Smog's location and hours

Crown Smog is located in North Hollywood. To find the exact address, phone number, and current hours, search online for "Crown Smog North Hollywood" or check the California Bureau of Automotive Repair's website, which lists all certified smog check stations by location.

Many smog check stations operate on a walk-in basis, but some accept appointments. Calling ahead can save you time, especially during busy registration periods. If Crown Smog is closed or fully booked, you can visit any other certified smog check station in California — the results are valid statewide.

What to bring and how to prepare

Bring your current vehicle registration and a valid photo ID. Make sure your vehicle has enough fuel to run the test and that it is in a condition to be driven safely to the station. If your check engine light is on, the vehicle may fail the test automatically, so have that addressed before you go.

If your vehicle has failed a smog check before, bring documentation of the repairs you had completed. Some stations use this information to help diagnose ongoing problems. If you are registering a vehicle for the first time in California, bring the title or bill of sale along with your registration documents.

Frequently Asked Questions

Can I get a smog check waiver if my vehicle fails?

California offers a smog check repair information program and a smog abatement program for vehicles that fail and need expensive repairs. You must meet income requirements and own the vehicle for at least two years. Contact your local air quality management district to learn whether you may be may be able to access for a waiver or repair funds.

How long does a smog check result stay valid?

A passing smog check result is valid for 30 days. You must complete your vehicle registration within that window. If the 30 days pass, you will need a new smog check before you can register.

What if I just bought a used car and it fails the smog check?

If you purchased the vehicle recently, you may have a right to return it or seek repairs from the seller, depending on the sale terms and how long ago you bought it. Contact the seller or a consumer protection agency in your county. You are still responsible for getting the vehicle to pass before registration can be completed.

Do I need an appointment at Crown Smog?

Call Crown Smog directly to ask whether appointments are required or recommended. Many stations accept walk-ins, but appointment availability varies by location and time of year. Calling ahead can help you avoid a long wait.

Can I use a smog check from another station for my California registration?

Yes. Any smog check performed by a California Bureau of Automotive Repair-certified station is valid for registration statewide. You do not have to use the same station twice or return to Crown Smog for a retest if you prefer another location.