3806 Norbridge Ave, Castro Valley, California 94546, Castro Valley, 94546 - 4 bed, 4 bath
Loading property details...
3806 Norbridge Ave
Castro Valley, California 94546
ACTIVE
CONDITION: EXCELLENT
4Beds
4Baths
1,714Sq Ft
0Lot Size
Property Price
LIST PRICE$1,149,000
EST. MARKET VALUE
$1,110,133
3% AboveMARKET VALUE
SUMMARY
This Modern Turnkey Townhouse is a Hybrid Investment Opportunity, listed at $1,149,000—positioned slightly above the $1,110,133 Fair Market Value. As a 2025 New Construction with an Excellent Condition Rating, this home features a private-entry ADU, solar, and smart-home technology. Located near top-rated schools like Marshall Elementary and Castro Valley High, it offers a rare "house hack" potential for rental income. This property is an ideal acquisition for Buy-and-Hold Investors or Owner-Occupants seeking a high-end, low-maintenance lifestyle with built-in versatility.
Estimated Market Value
$1,110,133
Based on Realkey algorithm analyzing recent comparable sales in Castro Valley.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 3806 Norbridge Ave Subject 4 bd · 4 ba · 1,714 sqft · $648 | $1,149,000* List Price | 4 | 4 | 1,714 | $648 | - |
A 3737 Castro Valley Blvd. Sold 3 bd · 3 ba · 1,705 sqft · $645 · 0.1 mi | $1,099,000 | 3 | 3 | 1,705 | $645 | 0.1 mi |
B 21063 Story Street Sold 3 bd · 4 ba · 1,495 sqft · $648 · 0.0 mi | $968,990 | 3 | 4 | 1,495 | $648 | 0.0 mi |
C 3836 Norbridge Avenue Sold 3 bd · 3 ba · 1,423 sqft · $661 · 0.0 mi | $939,990 | 3 | 3 | 1,423 | $661 | 0.0 mi |
D 3769 Castro Valley Boulevard Sold 3 bd · 3 ba · 1,660 sqft · $605 · 0.1 mi | $1,005,000 | 3 | 3 | 1,660 | $605 | 0.1 mi |
E 2759 Delaney Ct Sold 3 bd · 4 ba · 1,934 sqft · $553 · 0.8 mi | $1,070,000 | 3 | 4 | 1,934 | $553 | 0.8 mi |
F 3773 Castro Valley Boulevard Sold 3 bd · 3 ba · 1,660 sqft · $624 · 1.0 mi | $1,035,138 | 3 | 3 | 1,660 | $624 | 1.0 mi |
G 3765 Castro Valley Blvd Pending 4 bd · 4 ba · 2,062 sqft · $606 · 0.0 mi | $1,249,900 List Price | 4 | 4 | 2,062 | $606 | 0.0 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.
Brand-new 2025 construction in mint condition. Features modern designer finishes, a contemporary kitchen with white cabinetry and a large island, updated bathrooms, and new systems including solar, smart-home technology, and EV-charging prewiring.
PROSSTRENGTHS & OPPORTUNITIES
- Income Potential & Versatility
The inclusion of a private-entry 1-bedroom, 1-bath ADU with its own kitchen provides a rare opportunity for rental income or multi-generational living.
- Modern Sustainable Features
As a 2025 new construction, the home is equipped with energy-efficient solar, smart-home technology, and EV-charging prewiring, offering long-term cost savings.
- Prime Commuter Location
Ideally situated near Castro Valley BART and the I-580 corridor, this property offers exceptional convenience for Bay Area professionals.
CONSRISKS & DEFICIENCIES
- HOA Expenses & Restrictions
The $320 monthly association fee adds to the carrying costs and subjects the owner to community-governed rules and shared-wall living.
- Distributed Square Footage
With 1,714 total square feet split between two separate living units, the individual rooms and common areas may feel compact for larger families.
About 3806 Norbridge Ave
Premium location, designer finishes and a private ADU! This brand-new home offers approximately 1,714 total sq. ft. The main residence features 3 bedrooms and 3 full baths, plus a private-entry 1-bedroom, 1-bath ADU with its own kitchen & bathrooms. The bright, open main level showcases the community’s only remaining kitchen with white cabinetry, a spacious center island, connected living and dining areas, and access to a private deck. Additional highlights include a top-floor primary suite, solar, smart-home technology, EV-charging prewiring and an attached 2-car garage. Conveniently located near Castro Valley BART, I-580, shopping, dining and outdoor recreation. One of the final opportunities to own at The Chapter!
Property Details
Public Facts
- Property Type
- Townhouse
- Year Built
- 2025
- Lot Size
- -
Interior
- Total Bedrooms
- 4
- Total Bathrooms
- 4 (4 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $320.0 / Month
Neighborhood Insights
Castro Valley Unified Schools
Marshall Elementary School
Grades K-5 • 0.4 mi
8/10
Castro Valley Elementary School
Grades K-5 • 0.7 mi
7/10
Creekside Middle School
Grades 6-8 • 0.7 mi
7/10
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 3.4 |
| Baths | 4.0 | 2.6 |
| Square foot | 1,714 | 1,871.6 |
| Lot Size | - | 3,580.5 |
| Price | $1.15M | $1.03M |
| Price per sq ft | $670 | $588 |
| Built year | 2025 | 1999 |
| HOA | $320.0 | $377 |
| Days on market | 36 | 54 |
Pricing History
Listed for Sale
Sep 18, 2026
$1,149,000
Initial Listing