18819 Sydney Cir, Castro Valley, CA, 94546
About This Home
Must-see gem in Castro Valley! This single-family home is filled with natural light and offers a bright, spacious layout. Upon entry, you are welcomed by an elegant living room with an impressive 18-foot high ceiling, creating a grand and airy atmosphere. The home features hardwood flooring, freshly painted, and includes dual-pane windows throughout, showcasing tasteful interior design and thoughtfully crafted details in every corner. The beautiful kitchen features stainless steel appliances, granite countertops, and an open-concept design that connects seamlessly to the living space. The expansive primary suite offers a comfortable layout with a walk-in closet, and the primary bathroom includes a body jet shower and a Jacuzzi tub for a spa-like experience. The beautifully landscaped backyard features a variety of flowers and fruit trees. A dedicated office space makes working from home convenient, and the home is ideally located with easy access to HW580 and HW238. Enjoy convenient transportation, a welcoming community, and top-rated Castro Valley schools-making it an ideal place to live for all ages.
Getting Around
Car-Dependent
Some Transit
Somewhat BikeableSchools
Construction
Condition
- Year built: 1991
Materials
- Foundation: Slab
- Roof: Tile
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence,Residential
Interior
Appliances
- Appliances included: Gas Cooktop
- Laundry features: Gas Dryer Hookup,In Garage
Bathroom
- Features: DoubleSinks, PrimaryTubwJets, Stone, Tile
Bedroom
- Features: WalkinCloset
Bedrooms & Bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Dining Room
- Features: DiningFamilyCombo
Family Room
- Features: KitchenFamilyRoomCombo
Features
- High Ceilings
- Flooring: Hardwood,Tile
- Number of fireplaces: 1
- Fireplace features: Family Room,Wood Burning
Heating & Cooling
- Heating features: Central Forced Air
- Cooling features: None
Interior Area
- Total structure area: 1,901
- Total interior livable area: 1,901 sqft
Kitchen
- Features: Countertop_Granite
Property
Details
- Parcel number: 084B0415044
- Zoning: PD
- Special condition: Standard
Features
- Stories: 2
Lot
- Lot size: 3,626 sqft
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
- Heat Wave
- Inland Flooding
- Landslide
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 | $5,557 | $66,684 |
| Home Insurance * | $170 | $2,040 |
| Property Taxes | $1,193 | $14,316 |
| Electricity | $407 | $4,891 |
| Total | $7,327 | $87,924 |
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)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2026-05-13 | Pending sale | $1,099,000 |
| 2026-05-07 | Listed for sale | $1,099,000 |
| 2013-03-14 | Sold | $585,000 |
| 2013-01-12 | Listed for sale | $599,900 |
| 2010-11-05 | Listing removed | $619,000 |
| 2010-06-26 | Price change | $619,000 |
| 2010-04-29 | Listed for sale | $649,000 |
| 2008-05-28 | Sold | $121,500 |
| 1999-07-29 | Sold | $271,000 |
View on Zillow