Recently Listed Open House 7/18 12pm - 3pm
678 Gemstone Dr
San Marcos, CA, 92078 $ 1,125,000
Bedrooms4 Baths3.0 Sq 2,550 Monthly Estimate*
$ 7,103
for $1,125,000 with 4 bedrooms and 3 full baths. This 2,550 square foot home was built in 2018 on a lot size of 0.075758.
Welcome to this beautifully upgraded, north facing home in the gated Rancho Tesoro community of San Marcos. Located in the desirable Vientos/Terracina neighborhood, this spacious 4-bedroom, 3-bath home offers approximately 2,550 square feet of comfortable and thoughtfully designed living space. Inside, the open concept layout feels bright, welcoming, and private. The main living area flows into a modern kitchen with a large quartz island, white shaker cabinets, a custom tile backsplash, and stainless steel appliances that are included with the home. A full bedroom and bathroom on the first floor provide a convenient option for guests, extended family, or a home office. Upstairs, the spacious loft offers even more flexibility and could easily be used as a playroom, office, media room, or converted into a fifth bedroom. The primary suite is a relaxing retreat with a spa like bathroom featuring a frameless glass shower, soaking tub, dual vanities, and a large walk-in closet. Two additional bedrooms, a laundry room, and plenty of storage complete the second floor. The fully fenced backyard is designed for easy maintenance, with pavers and drip irrigation creating a comfortable space for relaxing, entertaining, or enjoying evenings outdoors. The home also includes upgraded flooring throughout the main level, Lutron smart lighting, and an additional deeded parking space directly in front of the property that can accommodate a larger vehicle. Rancho Tesoro residents enjoy access to a resort style pool, BBQ area, playground, scenic walking trails, and two peaceful lakes. The commun
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Open House
7/18/2026 12:00 PM - 3:00 PM
7/19/2026 12:00 PM - 3:00 PM
678 Gemstone Dr San Marcos, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesGeneralSewer Public Sewer
Cooling Central Forced Air
Roof Concrete
Zoning Rancho Tes
HOA Fee 240.0
Garage Spaces 2.0
Association Fee Includes Exterior (Landscaping) Exterior Bldg Maintenance
Pool Features Association Heated
Year Built 2018
View Mountains/Hills
Stories Count 2
Levels 2 Story
Property Subtype Detached
Assoc Fee Paid Per Monthly
County San Diego
New Construction N
Property Type Residential
Association Amenities Outdoor Cooking Area Pets Permitted Picnic Area Playground Barbecue Fire Pit Pool
HOA N
Attached Garage N
Full Baths 3
Status ACTIVE
Directions Go through the Santa Barbara gate and call Agent for gate code access
City San Marcos
Senior Community Y/N N
High School District San Marcos Unified School Distri
Lot Size Units Acres
Lot Size Square Feet 3300.0
Property Attached Y/N N
Property Condition Turnkey
Virtual Tour https://www.propertypanorama.com/instaview/crmls/NDP2606743
Building Area Units Sqft
Living Area Units Sqft
Standard Status Active
Middle/Junior School District San Marcos Unified School Distri
Elementary School District San Marcos Unified School Distri
Year Built Source Estimated
Freehold IDX
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ExteriorTotal Parking 3.0
Lot Size Area 0.0758
Building Area Total 2550.0
Lot Dimensions 5000
Waterfront Y/N N
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InteriorFireplace Features N/K
Total Stories 2
Common Walls No Common Walls
Air Conditioning Y/N N
Heating Y/N N
Fireplace Y/N N
Half Baths 0
Total Bedrooms 4
Entry Level 1
Total Baths 3
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* Excluded FeaturesList ByJohn CastilloListing Agent
Coldwell Banker RealtyBroker
Affordability Calculator
- Monthly Principal & Interest
- $7,103
- Monthly Property Taxes
- --
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in San Marcos, CA
Average List Price $1,044,848
Percent of Sale Price 7%
About San Marcos, CA 95,390 Population
65% Since 2002
$ 67,514 Median Income
35.39 Median Age
37% Households with Children
Trends Information provided by ATTOM Data Solutions.
5192072 Elementary School
5192090 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 7/15/2026 | $1,125,000 | | Listed Price |