3818-3818A Northridge Ave, Castro Valley, CA, 94546
About This Home
Homebuyer Favorite! Enjoy extra space with an ADU (accessory dwelling unit) complete with separate entrance, kitchen and full bath. The main home showcases a bright and spacious dining and living area (leading to your own private outdoor deck), a modern kitchen with an island and pendant lighting, quartz countertops and stainless-steel appliances. Convenient bedroom and full bath on same floor. On the 3rd floor, a large primary bedroom leads to a walk-in closet. Luxury vinyl plank flooring throughout. Other features include a 40-amp. electric charging station pre-wiring, solar energy system (lease or purchase required) and a limited 10-year warranty. This brand-new community will feature a community play area, bike lane, bike racks and bike repair station, plus park-like areas with seating, open space and art installations. Walking distance to Castro Valley BART station; convenient to I-580 and Tri Valley, San Jose and Mid-Peninsula job centers. Close to outdoor recreation, including Chabot Regional Park and Cull Canyon Regional Recreation Area.
Getting Around
Car-Dependent
No Nearby Transit
Not Bike FriendlySchools
Construction
Condition
- New construction: Yes
- Year built: 2025
Materials
- Foundation: Slab
- Roof: Tile
Type & Style
- Home type: Townhouse
- Property subType: Townhouse,Residential
Interior
Bedrooms & Bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
Dining Room
- Features: DiningArea
Family Room
- Features: KitchenFamilyRoomCombo
Heating & Cooling
- Heating features: Central Forced Air
- Cooling features: Central Air
Interior Area
- Total structure area: 1,714
- Total interior livable area: 1,714 sqft
Property
Details
- Parcel number: 0000000000000000000000000
- Zoning: 1
- Special condition: NewSubdivision
Parking
- Total spaces: 2
- Parking features: Attached
- Has garage: Yes
- Attached garage spaces: 2
- Covered spaces: 2
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Earthquake
- Inland Flooding
- Landslide
- Wildfire
- Heat Wave
How This Home’s Risks Compare
FEMA Declared Disasters in Alameda County and California
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $5,865 | $70,380 |
| Home Insurance * | $179 | $2,148 |
| Property Taxes | $734 | $8,808 |
| Electricity | $398 | $4,786 |
| Total | $7,176 | $86,112 |
Income You'd Need if You Spent...
California FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-04-11 | Price change | $1,159,990 |
| 2026-04-04 | Price change | $1,162,893 |
| 2026-03-28 | Price change | $1,184,990 |
| 2026-02-21 | Price change | $1,199,990 |
| 2026-01-31 | Price change | $1,192,519 |
| 2026-01-17 | Price change | $1,185,570 |
| 2025-11-02 | Price change | $1,165,571 |
| 2025-10-30 | Listed for sale | $1,179,990 |
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