Places to stay in Guasti, California

Guasti, formerly known as South Cucamonga and Zucker, is a community in San Bernardino County, California. Guasti is 3. 5 miles east of downtown Ontario. Guasti has a post office with ZIP code 91743. The first post office in the community opened under the name Zucker in 1887 and closed in 1900. The community changed its name to Guasti after Secondo Guasti, founder of the Italian Vineyard Company, which operated in the area. The Guasti post office opened in 1910. This small Post Office, which is located across the street from the Ontario International Airport was made famous by Default Radio co-host Lucky225 and Doug from DougTV. Lucky225 and Default Radio used the "Default Mail Box" - P. O. BOX 1111, Guasti, CA 91743. Doug further popularized it in Doug TV Episode 1 Local restaurants include Ron’s Barbecue, Bombay Restaurant & Banquet Cuisine Of India, Rosa's Restaurant, and Koyla Indian Grill.

If you are travelling in the area, Guasti is located close to Downtown Station Ontario Post Office, Simpson Elementary School, Upland Fire Department Station 163, Mira Loma Space Center and Corona Elementary School.

The center of Guasti ( which is at is longitude -117°35'5.0352 and latitude 34°3'45.856 ) is located 4 miles away from Rancho Cucamonga, 4 miles away from Ontario, 5 miles away from Upland and 8 miles away from Chino.

Available Guasti lodging

We currently have 4 accommodations in and around Guasti.

Guasti Hotels, Motels, Resorts, B&Bs and Extended Stay

Photograph of Extended Stay America Suites, Ontario
Listing updated 2026
Extended Stay / Suites

Extended Stay America Suites

Approx 2 miles away in Ontario:

The property is the perfect location for business travelers, students, tourists and those relocating to the Los Angeles area who need to find a home away from home for several nights, a week, a month or even longer. The hotel is only 7 minutes from the Ontario International Airport.
3990 Inland Empire Boulevard
Ontario, California
Hotels

Holiday Inn Express

Approx 3 miles away in Ontario:

Enjoy a comfortable stay at our hotel near Ontario AirportCome experience the gateway to Ontario at the Holiday Inn Express & Suites Ontario Airport with 120 spacious guest accommodations and over 3,000 square feet of meeting/banquet space.
2280 South Haven Avenue
Ontario, California
Bed & Breakfasts

Christmas House Bed & Breakfast Inn

Approx 2 miles away in Rancho Cucamonga:

9240 Archibald Avenue
Rancho Cucamonga, California

Guasti Camping & RV, Cottages, Rentals and Lodges / Ranches

Rancho Cucamonga RV & Boat

Campsite / RV Park

Approx 4 miles away in Rancho Cucamonga:

12050 Arrow Route
Rancho Cucamonga, California
Booking.com

Other useful links:

Things to see and do, places to eat in Guasti

Photograph of Bombay Restaurant & Banquet Cuisine Of India, Ontario
Bombay Restaurant & Banquet Cuisine Of India

Bombay Restaurant & Banquet Cuisine Of India ( Dining / Indian ). Located at 405 North Vineyard Avenue, Ontario, 2 miles from the center of Guasti. Northern Indian Cuisine Featuring Our Specialty, Tandoor (Clay Oven) Cooking Tandoor is a cylindrical clay oven native to India. This oven is of ancient origin and can be traced back several thousand years. The Tandoor is fully buried in sand for insulation. A temperature of eight hundred degrees is normally maintained inside the Tandoor. www.bombaycuisine.com Link