678 Gemstone Dr San Marcos, CA $ 1,125,000
678 Gemstone Dr
$ 1,125,000
Recently Listed
Open House 7/18 12pm - 3pm
Share Save

678 Gemstone Dr

San Marcos, CA, 92078
$ 1,125,000
Bedrooms4 Baths3.0 Sq 2,550

Monthly Estimate*

$ 7,103

Listed by Coldwell Banker Realty
678 Gemstone Dr, San Marcos, CA 92078 - Image 1
678 Gemstone Dr, San Marcos, CA 92078 - Image 2
678 Gemstone Dr, San Marcos, CA 92078 - Image 3
678 Gemstone Dr, San Marcos, CA 92078 - Image 4
678 Gemstone Dr, San Marcos, CA 92078 - Image 5
678 Gemstone Dr, San Marcos, CA 92078 - Image 6
678 Gemstone Dr, San Marcos, CA 92078 - Image 7
678 Gemstone Dr, San Marcos, CA 92078 - Image 8
678 Gemstone Dr, San Marcos, CA 92078 - Image 9
678 Gemstone Dr, San Marcos, CA 92078 - Image 10
678 Gemstone Dr, San Marcos, CA 92078 - Image 11
678 Gemstone Dr, San Marcos, CA 92078 - Image 12
678 Gemstone Dr, San Marcos, CA 92078 - Image 13
678 Gemstone Dr, San Marcos, CA 92078 - Image 14
678 Gemstone Dr, San Marcos, CA 92078 - Image 15
678 Gemstone Dr, San Marcos, CA 92078 - Image 16
678 Gemstone Dr, San Marcos, CA 92078 - Image 17
678 Gemstone Dr, San Marcos, CA 92078 - Image 18
678 Gemstone Dr, San Marcos, CA 92078 - Image 19
678 Gemstone Dr, San Marcos, CA 92078 - Image 20
678 Gemstone Dr, San Marcos, CA 92078 - Image 21
678 Gemstone Dr, San Marcos, CA 92078 - Image 22
678 Gemstone Dr, San Marcos, CA 92078 - Image 23
678 Gemstone Dr, San Marcos, CA 92078 - Image 24
678 Gemstone Dr, San Marcos, CA 92078 - Image 25
678 Gemstone Dr, San Marcos, CA 92078 - Image 26
678 Gemstone Dr, San Marcos, CA 92078 - Image 27
678 Gemstone Dr, San Marcos, CA 92078 - Image 28
678 Gemstone Dr, San Marcos, CA 92078 - Image 29
678 Gemstone Dr, San Marcos, CA 92078 - Image 30
678 Gemstone Dr, San Marcos, CA 92078 - Image 31
678 Gemstone Dr, San Marcos, CA 92078 - Image 32
678 Gemstone Dr, San Marcos, CA 92078 - Image 33
678 Gemstone Dr, San Marcos, CA 92078 - Image 34
678 Gemstone Dr, San Marcos, CA 92078 - Image 35
678 Gemstone Dr, San Marcos, CA 92078 - Image 36
678 Gemstone Dr, San Marcos, CA 92078 - Image 37
678 Gemstone Dr, San Marcos, CA 92078 - Image 38
678 Gemstone Dr, San Marcos, CA 92078 - Image 39
678 Gemstone Dr, San Marcos, CA 92078 - Image 40
678 Gemstone Dr, San Marcos, CA 92078 - Image 41
View a Virtual Tour

Single Family Home for sale in San Marcos, CA

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 0.0758.

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 community is also conveniently located near highly rated schools, parks, hiking trails, shopping, dining, and everything North County has to offer. With low HOA and Mello-Roos fees, this home offers an excellent combination of space, upgrades, convenience, and community amenities. Schedule your private showing and come experience the Rancho Tesoro lifestyle.

See more

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

Single Family Active

Price

$ 1,125,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.0758

Year Built

2018

Town/City

San Marcos

County/Region

San Diego

MLS | Web ID

NDP2606743

Days on Market

6

Features
General
Living Area 2550
Sewer Public Sewer
Heating Electric
Cooling Central Air
Roof Concrete
Zoning Rancho Tesoro San Marcos
HOA Fee 240
Garage Spaces 2
Pool Features Electric Heat Heated Association
Year Built 2018
View Hills
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Community Features Biking Curbs Foothills Hiking Street Lights
Assoc Fee Paid Per Monthly
County San Diego
Property Type Residential
Association Amenities Fire Pit Maintenance Grounds Maintenance Front Yard Outdoor Cooking Area Barbecue Picnic Area Playground Pool Pets Allowed
HOA true
Attached Garage true
Garage Y/N true
Full Baths 3
Special Listing Conditions Standard
Status Active
Buyer Financing Cash Conventional Cal Vet Loan VA
Directions Go through the Santa Barbara gate and call Agent for gate code access
City San Marcos
Association Name Rancho Tesoro Association
Entry Location front
Senior Community Y/N false
High School District San Marcos Unified
Open Parking Spaces 1
MLS Area 92078 - San Marcos
Lot Size Units Square Feet
Lot Size Square Feet 3300
Listing Terms Cash Cash to Existing Loan Conventional Cal Vet Loan 1031 Exchange VA Loan
Property Attached Y/N false
Land Lease Y/N false
Property Condition Turnkey
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/crmls/NDP2606743
Standard Status Active
Occupancy Type Owner
Year Built Source Estimated
Property Sub Type Additional Single Family Residence
See more
Interior
Interior Amenities Walk-In Pantry Walk-In Closet(s)
Fireplace Features None
Total Stories 2
Common Walls No Common Walls
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N false
Laundry Features Inside Upper Level
Total Bedrooms 4
Entry Level 1
Main Level Bedrooms 1
Main Level Bathrooms 1
Total Baths 3
See more
Exterior
Lot Features Back Yard
Total Parking 3
Inclusions Washer/Dryer and all appliances stay with home.
Lot Size Area 3300
Spa false
Lot Dimensions 5000
Lot Size Acres 0.0758
Private Pool false
Lot Size Source Estimated
See more
* Excluded Features
List By
Coldwell Banker Realty

Broker

juan.p.castillo@me.com

Email

Affordability Calculator

$7,103
Per Month
100%
0%
0%
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

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

The time to sell is now
THE TIME TO SELL IS NOW! What's my home worth?
Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
7/15/2026$1,125,000 Listed Price

Map


See all

678 Gemstone Dr, San Marcos, CA, 92078 is a Single Family Home for sale at $1,125,000 with 2,550 sqft and a lot size of 0.0758. 678 Gemstone Dr has 4 bedrooms, 3.0 baths, and was built in 2018. The property's zip code is 92078 which is in San Marcos, CA