3818 Norbridge Ave, Castro Valley, California 94546, Castro Valley, 94546 - 4 bed, 4 bath
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3818 Norbridge Ave
Castro Valley, California 94546
ACTIVE
CONDITION: EXCELLENT
4Beds
4Baths
1,714Sq Ft
0Lot Size
Property Price
LIST PRICE$1,099,000
EST. MARKET VALUE
$1,092,633
SUMMARY
This Brand-New 2025 Townhouse is a Strong Value Opportunity, listed at $1,099,000—positioned slightly above the $1,092,633 Fair Market Value. Featuring a Mint Condition Rating, this home offers a unique dual-living layout with a private-entry ADU, modern quartz kitchen, and energy-efficient solar systems. Located near Top-Rated Schools like Marshall Elementary and Castro Valley High, it provides a perfect blend of modern luxury and commuter convenience. This property is an ideal acquisition for Owner-Occupants seeking multi-generational flexibility or Investors targeting high-demand rental markets.
Estimated Market Value
$1,092,633
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 |
|---|---|---|---|---|---|---|
★ 3818 Norbridge Ave Subject 4 bd · 4 ba · 1,714 sqft · $637 | $1,099,000* List Price | 4 | 4 | 1,714 | $637 | - |
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 3769 Castro Valley Boulevard Sold 3 bd · 3 ba · 1,660 sqft · $605 · 0.0 mi | $1,005,000 | 3 | 3 | 1,660 | $605 | 0.0 mi |
C 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 |
D 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 |
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 · 0.9 mi | $1,035,138 | 3 | 3 | 1,660 | $624 | 0.9 mi |
G 3824 Norbridge Ave Pending 4 bd · 4 ba · 1,714 sqft · $665 · 0.0 mi | $1,139,000 List Price | 4 | 4 | 1,714 | $665 | 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.
This is a brand-new 2025 construction in mint condition. The property features modern kitchens with quartz countertops and stainless steel appliances, updated bathrooms, and brand-new systems including solar, smart-home technology, and EV-charging prewiring.
PROSSTRENGTHS & OPPORTUNITIES
- Dual Living Potential
The property features a private-entry 1-bedroom ADU with its own kitchen, offering excellent opportunities for rental income, multi-generational living, or a private home office.
- Modern Energy Efficiency
As a brand-new 2025 build, the home includes sustainable features such as solar panels, smart-home technology, and EV-charging prewiring, ensuring long-term utility savings.
- Prime Commuter Location
Conveniently located near Castro Valley BART and the I-580 corridor, this home provides superior accessibility for professionals commuting throughout the Bay Area.
CONSRISKS & DEFICIENCIES
- Compact Living Areas
With 1,714 total square feet split between two separate living units, the individual rooms and common areas may feel constrained for larger families.
- Recurring HOA Expenses
The $320 monthly association fee adds a permanent overhead cost to the property, which may be a deterrent for buyers comparing it to detached single-family homes.
About 3818 Norbridge Ave
Two living spaces in one brand-new home! The main residence features 3 bedrooms and 3 full baths, plus a private-entry 1-bedroom, 1-bath ADU with its own kitchen, ideal for extended family, guests or flexible independent living. Offering approximately 1,714 total sq. ft., the home includes an attached 2-car garage, an open-concept living level and a private deck. The stylish kitchen features quartz countertops, stainless steel appliances, pendant lighting and a spacious center island. Additional highlights include luxury vinyl plank flooring, a private top-floor primary suite, solar, smart-home features and EV-charging prewiring. Close to Castro Valley BART, I-580, shopping, dining and outdoor recreation.
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 | $1.10M | $1.03M |
| Price per sq ft | $641 | $588 |
| Built year | 2025 | 1999 |
| HOA | $320.0 | $377 |
| Days on market | 72 | 54 |
Pricing History
Listed for Sale
Sep 19, 2026
$1,099,000
$1,139,000
-4% Price Drop
Initial Listing
Price Change
Aug 13, 2026
$1,139,000
Initial Listing