Welcome to 712 Gemstone Drive, a beautifully upgraded home tucked inside one of San Marcos'' best-kept secrets — Rancho Tesoro. Gated, quiet, and surrounded by rolling hills and trails, this hidden gem is ideal for families craving space, nature, and community. Thoughtfully designed with modern upgrades and timeless finishes, the home features a light-filled open-concept layout with luxury vinyl plank flooring, a white-on-white chef’s kitchen with quartz counters and oversized island, and seamless indoor-outdoor flow to a private backyard oasis. Host friends around the fire pit, practice your short game on the putting green, or watch the kids play on the turf, this yard is built for connection and joy. The first floor includes a full bedroom and bath, ideal for guests, multigenerational living, or a private home office. Upstairs, the spacious primary suite feels like a retreat with spa-inspired bath and dual vanities. You’ll love the loft/flex space and well-sized secondary bedrooms — perfect for growing families or hybrid work setups. Rancho Tesoro is a beloved yet often undiscovered master-planned community in 92078. Residents enjoy resort-style amenities including a private pool, playground, BBQ areas, and gated trails connecting to Discovery Lake, South Lake, and Double Peak. This location is perfect for outdoor lovers: morning walks around Discovery Lake, sunset hikes to Double Peak, or biking to Lake San Marcos for dinner at Amalfi. Minutes to Urban Sweet Cafe, Mr. Taco, SETS, Tabu Sushi, Players Sports Bar, Vine &' Tap, and the North City Friday Farmers Market — this home offers the full North County lifestyle. If you’ve been searching for a place where the kids can ride bikes safely, where you can hike before work, and where neighbors actually know your name… this is it. Come experience what life could look like in one of San Marcos’ most special communities.
Property Details
Price:
$1,185,000
MLS #:
NDP2507788
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
92078sanmarcos
Listed Date:
Aug 6, 2025
Finished Sq Ft:
2,550
Lot Size:
4,000 sqft / 0.09 acres (approx)
Year Built:
2019
See this Listing
Schools
School District:
San Marcos Unified
Interior
Bathrooms
3 Full Bathrooms
Cooling
Central Air
Laundry Features
Individual Room, Inside, Gas Dryer Hookup
Exterior
Association Amenities
Barbecue, Fire Pit, Outdoor Cooking Area, Pets Permitted, Picnic Area, Playground, Pool, Security, Maintenance Grounds, Maintenance Front Yard
Community Features
Curbs, Sidewalks, Street Lights, Park
Parking Spots
3.00
Financial
HOA Name
Rancho Tesoro Community
Map
Community
- Address712 Gemstone Drive San Marcos CA
- Neighborhood92078 – San Marcos
- CitySan Marcos
- CountySan Diego
- Zip Code92078
Subdivisions in San Marcos
Market Summary
Current real estate data for Single Family in San Marcos as of Oct 22, 2025
115
Single Family Listed
129
Avg DOM
592
Avg $ / SqFt
$1,331,540
Avg List Price
Property Summary
- 712 Gemstone Drive San Marcos CA is a Single Family for sale in San Marcos, CA, 92078. It is listed for $1,185,000 and features 4 beds, 3 baths, and has approximately 2,550 square feet of living space, and was originally constructed in 2019. The current price per square foot is $465. The average price per square foot for Single Family listings in San Marcos is $592. The average listing price for Single Family in San Marcos is $1,331,540.
Similar Listings Nearby

712 Gemstone Drive
San Marcos, CA