298 W Duane Avenue, Sunnyvale, California 94085, Sunnyvale, 94085 - 5 bed, 4 bath
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Sunnyvale, California 94085
This Modern New Construction with ADU represents a Prime Investment Opportunity, listed at $2,858,000—positioned well below the $2,986,278 Fair Market Value by 4%. This valuation gap provides $128,278 in Instant Equity for early buyers. Boasting a Condition Rating of 2, the residence features a chef’s kitchen, high ceilings, and a versatile attached 1BD/1BA ADU perfect for rental income or a private office. Located near major tech campuses and Fremont High, it balances luxury with financial upside. This is an ideal match for tech professionals or multigenerational families seeking a bespoke Silicon Valley sanctuary.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 298 W Duane Avenue Subject | $2,858,000* List Price | 5 | 4 | 2,447 | $1,220 | - |
A 644 Johanna Avenue Sold | $2,680,000 | 6 | 5 | 2,696 | $994 | 0.9 mi |
B 560 Madrone Avenue Sold | $2,820,000 | 4 | 3 | 2,342 | $1,204 | 0.1 mi |
C 359 Stowell Avenue Sold | $2,870,000 | 4 | 3 | 1,946 | $1,475 | 0.3 mi |
D 552 Borregas Avenue Active | $2,499,000 List Price | 5 | 3 | 2,050 | $1,219 | 0.2 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
This is a brand-new construction project with an estimated completion in 2026. As a new build, it features mint-condition systems, a modern chef's kitchen with premium finishes, and high-end architectural details, meeting all criteria for the highest rating.
The property includes an attached 1BD/1BA ADU in addition to the 4BD main residence, providing excellent flexibility for rental income, a guest suite, or a private home office.
As a brand-new 2026 build, the home features contemporary design elements like high ceilings and skylights, with the rare opportunity for early buyers to personalize select finishes.
Situated in the heart of Sunnyvale, the property offers exceptional proximity to major Silicon Valley tech employers, Downtown Sunnyvale, and local amenities.
Living area discrepancy between mls listing and other public or private record. mls listing living area = 2447, other record living area = 1022. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 5, other record bedroom count = 2.
The property was recently sold within the past year on 2026-02-06. The sold price is $1,512,500.00. The property was recently sold within the past year on 2025-07-30. The sold price is $1,440,000.00.
With an estimated completion in Q4 2026, buyers face a significant waiting period and the inherent risks associated with construction delays and final design changes.
Discover an exceptional presale opportunity in the heart of Sunnyvale. This brand-new construction is thoughtfully designed with an estimated completion in Q4 2026. The property features a 4BD/3BA main residence (approx. 2,142 sqft) plus an attached 1 BD/1 BA (approx. 305 sqft), totaling approx. 2,447 sqft of flexible living space. Ideal for multigenerational living, rental income, or a private home office. Designed with comfort and style in mind, the home showcases high ceilings, skylights, and an open-concept floor plan that fills the interior with natural light. The chefs kitchen includes sleek cabinetry, an oversized island, and premium finishes. The primary suite opens the backyard, while a private junior suite provides additional flexibility. The attached ADU further enhances the homes versatility, perfect for rental income, a private guest retreat, or an independent living space. Conveniently located near the Kings Academy, Fair Oaks Park, Downtown Sunnyvale, and major tech employers. Construction underway. Early buyers may secure preferred pricing and personalize select finishes. Images are renderings for illustrative purposes only. Final design, materials, finishes, architecture, and landscaping are subject to change based on jurisdictional review.
No exterior & parking available.
Grades K-5 • 0.4 mi
Grades 6-8 • 0.5 mi
Grades 9-12 • 2.7 mi
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 5.0 | 3.0 | 87% |
| Baths | 4.0 | 2.0 | 91% |
| Square foot | 2,447 | 1,491 | 91% |
| Lot Size | 5,825 | 5,700 | 70% |
| Price | $2.86M | $1.90M | 96% |
| Price per sq ft | $1.2K | $1.4K | 30% |
| Built year | 2026 | 1953 | 91% |
| HOA | $0 | $0 | 50% |
| Days on market | 38 | 118 | 9% |
Apr 29, 2026
$2,858,000
Initial Listing
Feb 6, 2026
$1,512,500
Public Record
Jul 30, 2025
$1,440,000
Public Record
Apr 22, 2008
$2,000
Public Record
Nov 4, 2003
$356,500
Public Record