Denny’s 3170 HARBOR BLVD RESTAURANT

Open 24 Hours

ADDRESS

3170 HARBOR BLVD
Costa Mesa, CA 92626

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PHONE NUMBER

(714) 549-0818

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RESTAURANT HOURS

Open Now

Today

Open 24 Hours

Saturday

Open 24 Hours

Sunday

Open 24 Hours

Monday

Open 24 Hours

Tuesday

Open 24 Hours

Wednesday

Open 24 Hours

Thursday

Open 24 Hours

SERVICES

Round-the-clock breakfast

Lunch & Dinner

Walk-ins welcome

Good for groups

Good for kids

Take out

DENNY'S BREAKFAST FAVORITES

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A man smiles and walks to a Denny's diner while looking at the Denny's App on his phone.

ORDER, EARN, ENJOY

GET THE DENNY’S APP

Tap into sweet deals and delicious perks with the new Denny’s App! Use the app to order ahead for dine-in, delivery, or pick-up. Plus, you get delivery driver tracking, built-in rewards, and the ability to easily save your favorites is all at your fingertips.

your Denny’s faqs answered

Most locations offer delivery. To find the nearest participating location, visit Dennys.com/Order.

Denny’s restaurants are open 365 days a year—even on Christmas Day and New Year's Day! Contact your local Denny’s location to confirm hours.

Most locations offer Free Wi-Fi. Contact the Denny’s location for availability.

Denny’s offers opportunities that range from restaurant service roles to corporate support roles. Open positions vary by location. Visit careers.dennys.com for more information.

Outside the front door of a Denny's diner location that's open to serve breakfast, lunch, and dinner.

ABOUT DENNY’S 3170 Harbor Blvd RESTAURANT

Welcome to America’s Diner®. At Denny’s Costa Mesa Restaurant, we’ve always been here for anyone looking for delicious breakfast food and more at an amazing value. We’re famous for our breakfast—because that’s what we do best. And those who love diners know that Denny’s Costa Mesa Restaurant in CA goes beyond eggs, bacon, and pancakes to serve breakfast meals for any time of the day — even late, late at night.

What’s on the menu? Come to Denny’s Costa Mesa Restaurant on 3170 HARBOR BLVD and get breakfast favorites anytime like Signature Breakfast Slams, Sizzlin’ Breakfast Skillets, with hot, fresh coffee of course. Or make it lunch or dinner with our Melts & Handhelds, Slamburgers, and seasonal specials on the menu. Plus, we have deals to make the whole family happy. Kids eat FREE every Tuesday from 4 p.m. to 10 p.m and you can find eats for $2 $4 $6 $8 on our Value Menu. Enjoy a family dinner-out or get your favorites to-go from your local Denny’s Costa Mesa Restaurant in CA.

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