18+ Hotels in Grass Valley, CA
Where You Can Check In at 18, 19 or 20

3 hotels in Grass Valley, 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 begin at $107 at Holiday Lodge, with a median of $132 per night. Sierra Mountain Inn has the best guest rating, 9.2/10 from 636 reviews. Of these, 1 has a pool and 2 accept pets. Places mentioned near these hotels include Center For The Arts, Grass Valley-Nevada County Chamber of Commerce and Greater Grass Valley Chamber of Commerce and Visitors Center. Hotel data checked in October 2026.

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

hotels with 18+ check-in
3
lowest starting price, Holiday Lodge
$107
median starting price per night
$132
best rating, Sierra Mountain Inn
9.2/10
accept pets
2
has a pool
1

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

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Showing 3 of 3 hotels.

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Sierra Mountain Inn allows check-in for 18 year-old guests

Sierra Mountain Inn

9.2/10 636 reviews Highly rated

2.5-star hotel

816 West Main Street, Grass Valley, CA 95945, USA

Center For The Arts · 0.6 km · 6 min walk

  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Bicycle parking · Wheelchair-accessible parking

Pets: Pets allowed (dogs only, 2 total)*

Nearby

  • Center For The Arts — 0.6 km, 6 min walk
  • Lola Montez House — 0.8 km, 10 min walk
  • Grass Valley-Nevada County Chamber of Commerce — 0.9 km, 10 min walk

From USD 132.00

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Holbrooke Hotel allows check-in for 18 year-old guests

Holbrooke Hotel

9.2/10 563 reviews Highly rated

3.5-star hotel

212 W Main St, Grass Valley, CA 95945, USA

Center For The Arts · 0.0 km · 1 min walk

  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Wheelchair-accessible parking

Pets: Pets allowed (dogs only)*

Nearby

  • Center For The Arts — 0.0 km, 1 min walk
  • Lola Montez House — 0.3 km, 3 min walk
  • Grass Valley-Nevada County Chamber of Commerce — 0.3 km, 3 min walk

From USD 167.00

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Holiday Lodge allows check-in for 18 year-old guests

Holiday Lodge

6.6/10 572 reviews

2.0-star hotel

1221 E Main St, Grass Valley, CA 95945, USA

Nevada County Country Club · 0.3 km · 3 min walk

  • Pool
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Pets: Pets not allowed

Nearby

  • Nevada County Country Club — 0.3 km, 3 min walk
  • Grass Valley-Nevada County Chamber of Commerce — 2.2 km, 2 min drive
  • Greater Grass Valley Chamber of Commerce and Visitors Center — 2.2 km, 2 min drive

From USD 107.00

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Nearby Cities With 18+ Hotels

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Woodland 54 mi · 6 hotels
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Grass Valley Hotel Check-In FAQ

Can you check into a hotel in Grass Valley at 18?

Yes. 3 hotels in Grass Valley 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 Grass Valley?

Often, yes. Of the 3 hotels listed here, 2 accept debit cards and 2 accept cash, according to Hotels.com (Sierra Mountain Inn and Holiday Lodge). Most hotels still hold a deposit for incidentals at check-in, so call ahead to confirm they will take it without a credit card.

What time is check-in at 18+ hotels in Grass Valley?

Check-in starts between 3 PM and 4 PM at the hotels listed here, most often at 3 PM (2 of 3). Check-out is usually at 11 AM.

Which 18+ hotel is closest to Center For The Arts?

Holbrooke Hotel is the closest of the hotels listed here, less than 0.1 mi away, followed by Sierra Mountain Inn (0.4 mi) and Holiday Lodge (1.6 mi).

What is the cheapest hotel in Grass Valley for 18-year-olds?

Holiday Lodge had the lowest observed starting price, from $107 per night when we checked in October 2026, against a median of $132 for the 3 hotels with a listed price. Prices change with dates: select your dates to see the current price on Hotels.com.