128 Unity Lane, San Marcos, California 92078, San Marcos, 92078 - 5 bed, 5 bath
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128 Unity Lane
San Marcos, California 92078
ACTIVE
CONDITION: EXCELLENT
5Beds
5Baths
3,009Sq Ft
7,501Lot Size
Property Price
LIST PRICE$1,539,000
EST. MARKET VALUE
$1,560,000
SUMMARY
This Stunning Move-In Ready Home is listed at $1,560,000, reflecting a stable market price relative to its $1,526,931 Fair Market Value. Featuring a Mint Condition Rating, this 2018-built residence offers a rare dual primary suite configuration and a detached flex space, perfect for modern living. With owned solar, luxury vinyl plank flooring, and a large lot designed for entertaining, the property provides exceptional lifestyle value in the gated Vientos community. This is an ideal acquisition for multigenerational families or discerning owner-occupants seeking a premium, turnkey residence.
Estimated Market Value
$1,560,000
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 |
|---|---|---|---|---|---|---|
★ 128 Unity Lane Subject | $1,539,000* List Price | 5 | 5 | 3,009 | $518 | - |
A 1122 Via Vera Cruz Sold | $1,462,000 | 5 | 3 | 3,147 | $465 | 0.9 mi |
B 691 Westbrook Loop Sold | $1,520,000 | 5 | 5 | 3,151 | $482 | 0.8 mi |
C 548 Via Del Caballo Sold | $1,200,000 | 4 | 3 | 2,358 | $509 | 1.0 mi |
D 550 Echo Lane Sold | $1,470,000 | 4 | 3 | 2,971 | $495 | 0.2 mi |
E 954 Iron Horse Sold | $1,250,000 | 4 | 3 | 2,006 | $623 | 0.5 mi |
F 566 Echo Lane Active Under Contract | $1,758,000 List Price | 5 | 4 | 3,715 | $473 | 0.2 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.
Built in 2018, this property is less than 10 years old and remains in mint condition. The kitchen and bathrooms feature modern finishes, including quartz countertops and contemporary cabinetry. High-end systems such as owned solar, a tankless water heater, and Lutron smart lighting further justify the top-tier rating.
PROSSTRENGTHS & OPPORTUNITIES
- High Available Lot Utilization
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 326743552, living area = 3009.
- Multigenerational Design
The rare dual primary suite configuration, including a downstairs suite with private access and dedicated laundry, offers exceptional flexibility for extended family or long-term guests.
- Premium Lot & Flex Space
Situated on one of the neighborhood's largest lots, the property features an expansive entertaining backyard and a detached, finished flex space ideal for a professional home office or creative studio.
CONSRISKS & DEFICIENCIES
- MLS Listing Discrepancy
Lot size discrepancy between mls listing and other public or private record. mls listing lot size in square feet =326743552, other record lot size in square feet = 34475.
- HOA Costs & Restrictions
The $246 monthly association fee and gated community regulations may be a deterrent for buyers seeking lower monthly carrying costs or more autonomy over property use.
- Market Price Appreciation
With a list price significantly higher than its 2018 sale price of $828,000, the property is positioned at a premium that may face scrutiny regarding appraisal values in a shifting market.
About 128 Unity Lane
New Price, same beautiful home! Rarely available in the gated Vientos community of Rancho Tesoro, this beautifully upgraded 2018 home features a highly desirable floor plan with two primary suites-perfect for multigenerational living or extended guests. The downstairs suite offers private backyard access, a walk-in closet, and its own stackable washer and dryer, while the upstairs suite includes two oversized walk-in closets. Situated on one of the largest lots in the neighborhood, the backyard is designed for entertaining with a built-in BBQ bar, outdoor refrigerator, two covered patios, a fire pit, and a finished detached flex space with electricity and windows—ideal as a home office, art studio, hobby room or retreat. Additional highlights include owned solar, tankless water heater, Lutron smart lighting, luxury vinyl plank flooring, and designer faux wood blinds throughout. Residents enjoy Vientos vibrant community events, resort style pool, and convenient location just minutes from Discovery Lake, Double Peak Park and Trails, shopping, dining, Friday Farmers Market and top tier schools. This is a rare opportunity to own one of Rancho Tesoro's most desirable homes.
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 2018
- Lot Size
- 7,501 Sq. Ft.
Interior
- Total Bedrooms
- 5
- Total Bathrooms
- 5 (5 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $246.0 / Month
Neighborhood Insights
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 5.0 | 4.0 |
| Baths | 5.0 | 3.0 |
| Square foot | 3,009 | 2,318.709 |
| Lot Size | 7,501 | 6,909.226 |
| Price | $1.54M | $1.19M |
| Price per sq ft | $511 | $552 |
| Built year | 2018 | 1998 |
| HOA | $246.0 | $165 |
| Days on market | 44 | 46 |
Pricing History
Listed for Sale
Aug 25, 2026
$1,539,000
$1,560,000
-1% Price Drop
Initial Listing
Price Change
Jul 27, 2026
$1,560,000
Initial Listing
Sold
Nov 9, 2018
$828,000
Public Record