---
listing_id: CRNDP2606743
status: Active
price: 1125000
beds: 4
baths_full: 3
baths_half: 0
sqft_living: 2550
sqft_lot: 3300
lot_acres: 
year_built: 2018
property_type: Residential
property_subtype: Single Family Residence
address: "678 Gemstone Dr"
city: San Marcos
state: CA
zip: 92078
county: "San Diego County"
lat: 33.1211017
lng: -117.1668078
days_on_market: 0
hoa_fee: 240
hoa_frequency: Monthly
garage_spaces: 2
list_agent: "John Castillo"
list_office: "Coldwell Banker Realty"
list_agent_phone: "(760) 807-6297"
list_agent_license: 02020554
mls_source: CRMLS
modified: 2026-07-15
transaction_type: buy
---

Home | San Diego County | San Marcos | 92078 | 678 Gemstone Dr

678 Gemstone Dr, San Marcos, CA 92078

MLS: CRNDP2606743 | Status: Active | Price: $1,125,000
Beds/Baths: 4 / 3
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Sq Ft Lot Yr Built
4 3 2,550 3,300 2018

Upcoming Open Houses

Date Time Hosted By
Saturday, July 18 12:00 pm - 3:00 pm
Sunday, July 19 12:00 pm - 3:00 pm

Remarks

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 th

MLS Listing Information

Field Value
MLS # CRNDP2606743
MLS Source California Regional MLS
Days on Site 0

Features

Interior Features

Feature Details
Bedrooms Primary Suite/Retreat
Kitchen Pantry
Appliances Other
Family Room Other
Fireplace None
Laundry Other, Upper Floor
Cooling Central Forced Air
Heating Electric

Exterior Features

Feature Details
Roof Concrete
Pool Community Facility, Heated, Heated - Electricity

Parking, School, and Other Information

Feature Details
Garage/Parking Garage: 2 Car(s)
Elementary District San Marcos Unified
High School District San Marcos Unified
HOA Fee $240
HOA Fee Frequency Monthly
Complex Amenities Barbecue Area, Community Pool, Picnic Area, Playground
Zoning Rancho Tesoro San Marcos

Contact Information

John Castillo
Coldwell Banker Realty
License #: 02020554
Phone: (760) 807-6297

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Double Peak K-8 public K-8 1.01 mi 8
San Marcos Elementary School public K-5 1.41 mi 2
North Coastal Consortium Schools public K-12 1.47 mi N/A
Discovery Elementary School public K-5 1.47 mi 10
San Marcos Middle School public 6-8 1.84 mi 5
San Elijo Elementary School public K-5 2.16 mi 8
Mission Hills High School public 9-12 2.19 mi 7
San Marcos High School public 9-12 2.30 mi 8
San Elijo Middle School public 6-8 2.34 mi 7
La Mirada Academy public K-8 2.60 mi 2
Richland Elementary public K-5 2.84 mi 7
Woodland Park Middle School public 6-8 2.86 mi 5
Paloma Elementary School public K-5 2.88 mi 10
Knob Hill Elementary School public K-5 2.93 mi 8
Joli Ann Leichtag Elementary School public K-5 3.56 mi 5
Rock Springs Elementary School public K-5 3.67 mi 4
Del Dios Middle School public 6-8 3.85 mi 4
Limitless Learning Academy public K-8 3.86 mi 8
Del Lago Academy - Campus Of Applied Science public 9-12 3.95 mi 9
Twin Oaks Elementary School public K-5 3.98 mi 8

Nearby Homes

Address Price Beds Baths Sq Ft Status
21574 Trail Ridge $1,160,000 5 3/1 3,112 Active
2721 Surrey Ln $949,900 4 3 2,332 Active
2911 Eldenberry St $1,125,000 5 3/1 2,626 Active
879 English Holly Ln $925,000 3 2 1,509 Active

Disclosures

©2026 California Regional MLS. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from California Regional MLS.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of July 15, 2026. For the most current information, please contact John Castillo, (760) 807-6297.