The Old Spaghetti Factory

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San Marcos
North Twin Oaks Valley Road
The Old Spaghetti Factory

The Old Spaghetti Factory is an Italian and gluten-free restaurant located on N. Twin Oaks Valley Road. The family-owned establishment has been operating since 1969 and is dedicated to providing satisfying dining experiences in warm surroundings. Guests can enjoy a variety of pasta dishes while taking in the color and charm of San Marcos, across from City Hall.
(1768)

Recent social media posts

06/19/2026

The kind of meal that keeps you coming back. ❤️
Chicken Parmigiana, served with spaghetti and Marinara sauce, hot baked bread, soup or salad, and ice cream for dessert. Some traditions are just too good to pass up.

06/12/2026

Good food. Good company. A cocktail in hand. 🍹
Our summer drinks are here for a limited time, bringing a refreshing sip to every meal. Stop in and find your new favorite while they’re still on the menu.

05/28/2026

A little bit of magic in every sip. ✨
Our Cotton Candy Limeade is sweet, colorful, and made for kids (or kids at heart 😉) who believe dinner should come with a little fun!

05/22/2026

In this chapter of Incredible People Behind the Pasta, we’re featuring Gary Sheperd, who has held many roles throughout his time with The Old Spaghetti Factory. His hard work, dedication, and care have helped support the traditions and experiences our guests have enjoyed for generations.

It’s people like Gary that are part of the foundation of this company, who turn meals into memories and make OSF feel like home to so many guests and team members.

05/21/2026

Celebrate your grad, the OSF way and let us do the cooking! 🎓🍝
Whether you’re hosting a small gathering or a big celebration, we’ll bring the flavor so you can focus on the memories.

05/07/2026

Step aboard the Portland Trolley at The Old Spaghetti Factory! ✨
This Pop Top offers a one of a kind space full of vintage charm, festive decorations and plenty of room to celebrate! So, gather your friends, share your favorite OSF dishes, and make memories before the big dance!

Reserve your spot today with the link below!

04/30/2026

This is what comfort looks like. 🍝
Our Sicilian Meatballs feature two handmade meatballs, topped with our made-from-scratch marinara sauce and served over spaghetti. Simple, hearty, and made the way it should be.

04/27/2026

From comforting classics to crowd-pleasing favorites, our catering makes it easy to bring everyone together around the table. Perfect for spring get-togethers, watch parties, and everything in between. All you have to do is enjoy the moment. We’ll take care of the rest.

04/24/2026

Ready for takeoff! 🛫
Our Paper Plane is a smooth and perfectly crafted blend of citrus and warmth, made for sipping and savoring.

04/23/2026

Meet Kim Davidson, our Director of Marketing. From the moments shared around the table to the traditions that bring guests back year after year, Kim helps shape how those stories are told. It’s all part of making The Old Spaghetti Factory feel like home, before you even walk through the door.

Address

111 North Twin Oaks Valley Road
San Marcos, CA
92069

To reach the restaurant on N. Twin Oaks Valley Road in San Marcos, you can either take public transportation or drive and park your vehicle. If you prefer public transport, you can take the bus and get off at the nearest stop to N. Twin Oaks Valley Road in San Marcos. From there, you can walk to the restaurant.

On the other hand, if you are driving, you can take either Interstate 5 or Highway 78 to reach N. Twin Oaks Valley Road in San Marcos. Once you are on N. Twin Oaks Valley Road, keep driving until you reach your destination.

There are several parking options available near the restaurant, including street parking and nearby parking lots/garages.

Opening Hours

Monday	11:30am - 9pm
Tuesday	11:30am - 9pm
Wednesday	11:30am - 9pm
Thursday	11:30am - 9pm
Friday	11:30am - 10pm
Saturday	11:30am - 10pm
Sunday	11:30am - 9pm

Website

http://www.osf.com/location/san-marcos-ca/

Alerts

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What people say

Italian restaurants are known for their delicious pasta dishes, flavorful sauces, and warm and inviting atmosphere. The Old Spaghetti Factory in San Marcos embodies all of these qualities and more. This family-owned and operated restaurant has been serving up satisfying Italian cuisine since 1969.

One of the standout features of The Old Spaghetti Factory is their commitment to providing gluten-free options for their customers. Whether you have a gluten intolerance or simply prefer to avoid it, you can enjoy a variety of delicious gluten-free pasta dishes at this restaurant.

The warm surroundings of The Old Spaghetti Factory make it the perfect place to gather with family and friends for a meal. Located across from San Marcos City Hall on N. Twin Oaks Valley Road, this restaurant offers a cozy atmosphere that will make you feel right at home.

Legend has it that the area where The Old Spaghetti Factory is located was discovered by Spanish troops in the 1700s. They named the fertile valleys "Los Vallecitos de San Marcos," which was later shortened to "San Marcos" in 1797. This rich history adds to the charm of dining at this Italian restaurant.

Overall, The Old Spaghetti Factory in San Marcos is a must-visit for anyone who loves Italian cuisine. With its delicious gluten-free options, warm atmosphere, and rich history, this restaurant is sure to leave you with many pleasant memories.

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