Highlights
Apartment Building
Cats and dogs allowed
In-unit washer / dryer
A/C
Garage
Patio
Night patrol
Pool
Gym
Dishwasher, refrigerator, microwave oven
Updated 8 hours ago
1/22
Siena Terrace
20041 Osterman Rd, Lake Forest, CA 92630
$2,459 - $2,934
1 - 2
Beds
1 - 2
Baths
Doesn't include required deposits and fees
Special offer! $199 Security Deposit Special. [Offer good thru May 15, 2026]
Apartment floor plans
Matches1 Bed2 Beds
1 bed
1 bath700 sqft
Rent / mo
Available
Unit
$2,459
7/4/2026
9-J3
$2,471
7/7/2026
19-V7
$2,471
6/26/2026
20-W7
$2,471
Now
5-E2
$2,487
6/16/2026
3-C15
2 beds
2 baths900 sqft
Rent / mo
Available
Unit
$2,886
Now
13-P4
$2,892
Now
13-P13
$2,892
Now
14-Q12
$2,898
Now
10-K8
$2,899
7/3/2026
14-Q13
2 beds
2 baths900 sqft
Rent / mo
Available
Unit
$2,898
6/26/2026
5-E1
$2,926
6/19/2026
16-S4
Commute
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About Siena Terrace
Located in Lake Forest with easy access to I-5 and 241, shopping is right around the corner at the Laguna Hills Mall, Trader Joes and the shops at Mission Viejo.
Siena Terrace apartments feature full size washer/dryer, walk-in closets and 9-foot ceilings. Our lovely Lake Forest location makes our Siena Terrace apartments close to shopping centers, the I-5, 241 and Lake Forest Elementary School.
Apartment amenities
Property amenities
- Air Conditioning
- Basketball Court
- Building Deposit Fee Maximum: 600
- Building Deposit Fee Minimum: 500
- Cable TV Ready
- Ceiling Fan
- Dishwasher
- Dryer
- Fitness Center
- Free Weights
- Garage
- High-speed Internet Ready
- Laundry: In Unit
- Microwave Oven
- On-Site Maintenance
- On-Site Management
- Patio
- Patio Balcony
- Refrigerator
- Security: Night Patrol
- Spa
- Stories: 2
- Swimming Pool
- Tennis Court
- View Type: View
- Volleyball Court
- Washer
- Year Built: 1988
Unit amenities
- Balcony
- Courtyard
- Handrails
- Individual Climate Control
- Large Closets
- Private Balcony
- Window Coverings
Pet policy
Cats allowed- $500 pet deposit
- $50 monthly pet fee
- 3 pets max
Dogs allowed- $500 pet deposit
- $65 monthly pet fee
- 3 pets max
Terms at Siena Terrace
12 months.
Office hours at Siena Terrace
Sunday: Closed
Monday: Closed
Tuesday: 10:00 AM to 6:00 PM
Wednesday: 10:00 AM to 6:00 PM
Thursday: 10:00 AM to 6:00 PM
Friday: 10:00 AM to 6:00 PM
Saturday: 10:00 AM to 5:00 PM
Monday: Closed
Tuesday: 10:00 AM to 6:00 PM
Wednesday: 10:00 AM to 6:00 PM
Thursday: 10:00 AM to 6:00 PM
Friday: 10:00 AM to 6:00 PM
Saturday: 10:00 AM to 5:00 PM
Nearby schools
Students who live in Siena Terrace attend the following Saddleback Valley Unified School District public schools:
AllMiddleHighMixed
Showing 3 of
3 schools.
GreatSchools ratings are based on test scores and additional metrics when available.
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Frequently asked questions
How many apartment units are available and what are their rents?
- There are 6 one-bedroom apartments available starting at $2,459
- There are 10 two-bedroom apartments available starting at $2,886