639 Starstone Drive, San Marcos, California 92078, San Marcos, 92078 - 4 bed, 3 bath
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639 Starstone Drive
San Marcos, California 92078
ACTIVE
CONDITION: EXCELLENT
4Beds
3Baths
2,000Sq Ft
6,400Lot Size
Property Price
LIST PRICE$1,050,000
EST. MARKET VALUE
$1,157,239
9% BelowMARKET VALUE
SUMMARY
This Turnkey Single Family Residence is a Strong Value Opportunity, listed at $1,050,000—positioned well below the $1,157,240 Fair Market Value by 9%. This valuation gap offers $107,240 in Instant Equity for the buyer. Featuring a high-end renovation and an Excellent Condition Rating, the home includes a modernized kitchen and distant mountain views. Located in the San Marcos Unified School District, this property is an ideal acquisition for Owner-Occupants or first-time buyers seeking a move-in ready home with significant financial upside.
Estimated Market Value
$1,157,239+$107,239 Equity Potential
Based on Realkey algorithm analyzing recent comparable sales in San Marcos.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 639 Starstone Drive Subject | $1,050,000* List Price | 4 | 3 | 2,000 | $579 | - |
A 663 Hillhaven Dr Sold | $930,000 | 4 | 3 | 1,646 | $565 | 1.0 mi |
B 3332 Heather Ridge Court Active | $1,079,000 List Price | 4 | 3 | 1,797 | $600 | 0.6 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Excellent
TeardownExcellent
Property is new construction or fully renovated.
Although built in 1991, the property has undergone a comprehensive high-end renovation within the last 5 years. The interior features a fully modernized kitchen with shaker cabinets and quartz countertops, updated flooring throughout, recessed lighting, and a contemporary front entry. The systems and finishes appear in mint condition with no visible maintenance required.
PROSSTRENGTHS & OPPORTUNITIES
- Prime Location
Situated near Discovery Lake and Lakeview Park, the property offers exceptional access to outdoor recreation, local dining, and convenient freeway access for commuters.
- Versatile Floor Plan
The 4-bedroom, 3-bathroom layout provides 2,000 square feet of functional living space, offering the flexibility needed for multi-generational living or a home office.
- Top-Rated Schools
Located within the highly regarded San Marcos Unified School District, this home is positioned in a high-demand area that supports long-term property value.
CONSRISKS & DEFICIENCIES
- MLS Listing Discrepancy
Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 4, other record bedroom count = 3.
- Recently Sold Property
The property was recently sold within the past year on 2026-05-27. The sold price is $790,000.00. The property was recently sold within the past year on 2026-05-27. The sold price is $777,000.00.
- Dated Construction
Built in 1991, the home may require updates to major systems or cosmetic finishes to meet the expectations of modern buyers looking for turnkey properties.
About 639 Starstone Drive
Discover the space and convenience you've been looking for at 639 Starstone Dr! This 4-bedroom, 3-bath San Marcos home offers a functional layout designed to accommodate today's lifestyle, with room for everyone and flexibility for work or guests. Located near shopping, restaurants, parks, and recreation, you'll be just minutes from Discovery Lake, Lakeview Park, and convenient freeway access. Whether you're enjoying a quiet evening at home or exploring everything North County has to offer, this location makes everyday living easy.
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1991
- Lot Size
- 6,400 Sq. Ft.
Interior
- Total Bedrooms
- 4
- Total Bathrooms
- 3 (3 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 4.0 |
| Baths | 3.0 | 3.0 |
| Square foot | 2,000 | 2,318.709 |
| Lot Size | 6,400 | 6,909.226 |
| Price | $1.05M | $1.19M |
| Price per sq ft | $525 | $552 |
| Built year | 1991 | 1998 |
| HOA | $0 | $165 |
| Days on market | 26 | 46 |
Pricing History
Listed for Sale
Aug 14, 2026
$1,050,000
Initial Listing
Sold
May 27, 2026
$790,000
Public Record
Sold
May 27, 2026
$777,000
Public Record