Welcome to 12616 Sierra Rojo Rd, a truly one-of-a-kind geodesic dome home in Valley Center set on 9.82 acres of scenic, low-maintenance rolling hills with breathtaking panoramic views. Built in 1999, this architectural masterpiece blends modern efficiency with timeless design, offering soaring ceilings, abundant natural light, and a peaceful retreat surrounded by nature. This well-maintained estate features a beautiful private pool perfect for enjoying Southern California’s year-round sunshine, along with fully paid solar for energy efficiency and long-term savings. The expansive acreage provides ample space for RV parking, recreational vehicles, horses, or future expansion, making it ideal for those seeking privacy, outdoor living, and room to grow. Whether you're looking for a private country retreat, a unique architectural home, or a Valley Center view property with acreage, this exceptional residence offers endless possibilities. Enjoy tranquil rural living while still being conveniently located near shopping, dining, and major commuter routes. Experience the rare opportunity to own a distinctive geodesic dome estate with land, views, and unmatched character in one of North San Diego County’s most desirable rural communities.
Single-familyProperty Type
1999Year Built
9.82 acresLot Size
$354Price/Sq.Ft.
2 garage spacesParking
Listed by Matt Swisshelm•DRE #02029598• Berkshire Hathaway HomeService
Contact: mattswisshelmtc@gmail.com
Bought with Matt Swisshelm•DRE #02029598• Berkshire Hathaway HomeService
Est. $4,412 per month, based on comparable rentals
Sale and tax history for 12616 Sierra Rojo Rd
Sale History
Tax History
Date
Event
Price
CRMLS #NDP2601501
Apr 10, 2026
Sold
$875,000
$354/sq ft
Feb 25, 2026
Contingent
—
Feb 23, 2026
Listed
$875,000
$354/sq ft
Feb 16, 2026
Coming Soon
$875,000
$354/sq ft
As the MLS and public records start to fill up, we'll list the details here.
Public record
Public record
Zoning
Beds
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
427,759
Year renovated
—
Sq. Ft.
2,469
Year built
1999
Style
Single Family Residential
County
San Diego County
APN
1853511700
Parking Spaces
5
Basement
No
Accessible
No
HOA Dues
—
Garage
Yes
Features
Views, Pool
Last updated by owner on Apr 16, 2026.
A70
Limited Agricultural Zone
The A70 Use Regulations are intended to create and preserve areas intended primarily for agricultural crop production. Additionally, a limited number of small farm animals may be kept and agricultural products raised on the premises may be processed.
Typically, the A70 Use Regulations would be applied to areas throughout the County to protect moderate to high quality agricultural land.
Permitted uses
Include but are not limited to:
Agriculture
Housing
Processing
Fire house
Police station
Agriculture-Cropland
Agriculture-Grove / orchard
Park & open space
Property details
Parking
Parking / Garage Information
Uncovered Spaces: 3
# of Garage Spaces: 2
# of Parking Spaces: 5
Interior
Laundry Information
Has Laundry
Individual Room, Electric Dryer Hookup, Washer Hookup, Washer Included
Bathroom Information
# of Baths (Full): 3
Cooling Information
Central
Has Cooling
Room Information
Walk-In Closet, Separate Family Room, Laundry, Kitchen, Main Floor Bedroom
Fireplace Information
Wood
Has Fireplace
Interior Features
Entry Level: 1
Entry Location: front door
Levels: Two
Main Level Bathrooms: 3
Main Level Bedrooms: 3
Exterior
Exterior Features
Pool Features: In Ground
Has Pool
Lot Information
Lot Size Source: Assessor's Data
Lot Features: Rolling Slope, Agricultural - Tree/Orchard, 6-10 Units/Acre
Lot Dimensions Source: Assessor
Property Information
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 1853511700
Total # of Stories: 2
Has View
Year Built Source: Assessor
Location
Multi-Unit Information
# of Units In Community: 1
Neighborhood Information
Community Features: Hiking
School Information
High School District: Valley Center - Pauma
Location Information
Latitude: 33.24175900
Longitude: -117.05831100
Directions: Off Lilac to Sierra Rojo
Zoning: Agricultural
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,469
Stories: —
Parking Spaces: 5
Basement: No
Accessible: No
Lot Size: 9.82 acres
Style: Single Family Residential
Year Built: 1999
Year Renovated: —
County: San Diego County
APN: 1853511700
HOA Dues: —
Garage: Yes
Features: Views, Pool
Home facts updated by owner on Apr 16, 2026
Other
Listing Information
IDX Contact Info: mattswisshelmtc@gmail.com
Days Active in MLS: 2
Continuous Days Active in MLS: 2
Listing Agent Information
List Agent First Name: Matt
List Agent Last Name: Swisshelm
Listing Office Information
List Office Name: Berkshire Hathaway HomeService
Selling Agent Information
Buyer Agent First Name: Matt
Buyer Agent Last Name: Swisshelm
Selling Office Information
Buyer Office Name: Berkshire Hathaway HomeService
Around this home
Schools
Lilac School
Public K-5 • Assigned • 1.2mi
6/10
Valley Center Middle School
Public 6-8 • Assigned • 4.8mi
2/10
Valley Center High
Public 9-12 • Assigned • 3.2mi
5/10
Provided by GreatSchools
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
7/10 Fire Factor
20% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 98° expected this year, 21 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
3/10 Air Factor
4 unhealthy days expected this year, 4 days in 30 years
Provided by First Street
Historical weather
Valley Center, CA • 92082
Average low and high temperatures (°F)
67
48
70
50
73
52
70
50
75
54
82
57
85
58
91
63
86
63
82
57
72
50
71
49
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
Provided by Shadowmap
Estimated sale price
$1.02M – $1.23M
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