18+ Hotels in San Dimas, CA
Where You Can Check In at 18, 19 or 20

2 hotels in San Dimas, CA list a minimum check-in age of 18 on Hotels.com, so travelers aged 18, 19 and 20 can check in. Observed starting prices are $69 at Motel 6 San Dimas, CA - Los Angeles and $95 at Extended Stay America Suites Los Angeles San Dimas per night. Motel 6 San Dimas, CA - Los Angeles has the best guest rating, 8.0/10 from 1,456 reviews. Of these, 1 accepts pets. Places mentioned near these hotels include Swan Day Spa, Frank G. Bonelli Regional Park and Pacific Railroad Museum. Hotel data checked in November 2026.

Policies can change: confirm the minimum check-in age with the hotel before booking.

hotels with 18+ check-in
2
lowest starting price, Motel 6 San Dimas, CA - Los Angeles
$69
best rating, Motel 6 San Dimas, CA - Los Angeles
8.0/10
accepts pets
1

Dates are passed to Hotels.com to check availability and current prices.

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Motel 6 San Dimas, CA - Los Angeles allows check-in for 18 year-old guests

Motel 6 San Dimas, CA - Los Angeles

8.0/10 1,456 reviews

2.0-star hotel

502 West Arrow Highway, San Dimas, CA 91773, USA

Swan Day Spa · 0.2 km · 2 min walk

  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Wheelchair-accessible parking · 1 on-site accessible parking spaces · Wheelchair-accessible van parking

Pets: Pets stay free (dogs and cats only, 2 total)

Nearby

  • Swan Day Spa — 0.2 km, 2 min walk
  • Frank G. Bonelli Regional Park — 1.3 km, 15 min walk
  • Pacific Railroad Museum — 1.4 km, 17 min walk

From USD 69.00

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Extended Stay America Suites Los Angeles San Dimas allows check-in for 18 year-old guests

Extended Stay America Suites Los Angeles San Dimas

5.6/10 11 reviews

2.5-star hotel

601 W Bonita Ave, San Dimas, CA 91773, USA

Swan Day Spa · 0.3 km · 3 min walk

  • Free WiFi
  • Air conditioning
  • Kitchen

Minimum check-in age: 18

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Pets: Pets not allowed

Nearby

  • Swan Day Spa — 0.3 km, 3 min walk
  • Pacific Railroad Museum — 1.4 km, 17 min walk
  • Frank G. Bonelli Regional Park — 1.7 km, 20 min walk

From USD 95.00

Check availability

Nearby Cities With 18+ Hotels

Pomona 4 mi · 4 hotels
Claremont 5 mi · 2 hotels
Montclair 7 mi · 2 hotels
West Covina 7 mi · 2 hotels
Monrovia 11 mi · 2 hotels
Ontario 13 mi · 14 hotels
El Monte 13 mi · 2 hotels
Rancho Cucamonga 14 mi · 2 hotels
Whittier 15 mi · 4 hotels
Rosemead 16 mi · 2 hotels
Fullerton 17 mi · 4 hotels
Pico Rivera 18 mi · 3 hotels
Los Angeles 34 mi · 132 hotels
San Diego 97 mi · 69 hotels
San Francisco 362 mi · 122 hotels

See all California cities with 18+ hotels

San Dimas Hotel Check-In FAQ

Can you check into a hotel in San Dimas at 18?

Yes. 2 hotels in San Dimas list a minimum check-in age of 18 on Hotels.com. Policies can change, so confirm with the property before booking and bring a government-issued photo ID.

Can I check in without a credit card in San Dimas?

Probably not. According to Hotels.com, none of the 2 hotels listed here accepts debit cards or cash, so plan on a credit card in your name for the booking and the deposit.

What time is check-in at 18+ hotels in San Dimas?

Check-in starts at 3 PM at all 2 hotels listed here with a check-in time. Check-out is usually at 11 AM.

Which 18+ hotel is closest to Swan Day Spa?

Motel 6 San Dimas, CA - Los Angeles is the closest of the hotels listed here, 0.1 mi away, followed by Extended Stay America Suites Los Angeles San Dimas (0.2 mi).

What is the cheapest hotel in San Dimas for 18-year-olds?

Motel 6 San Dimas, CA - Los Angeles had the lowest observed starting price, from $69 per night when we checked in November 2026. Prices change with dates: select your dates to see the current price on Hotels.com.