




405 Agate Ct, Antioch, CA, 94509
About This Home
Welcome to 405 Agate Ct, Antioch, CA! Perched on a hillside lot with scenic views, this spacious 5-bedroom, 3.5-bathroom home offers 2,496 sq. ft. of living space on a generous 0.229-acre lot. The bright, open floor plan features soaring ceilings, dual-pane windows, ceiling fans throughout, and abundant natural light. The versatile layout includes a downstairs bedroom, one full bathroom, and one half bathroom, making it ideal for guests, multi-generational living, or a home office. An indoor laundry room adds everyday convenience. Step outside to your private backyard oasis featuring a large swimming pool with convenient access to a nearby bathroomperfect for entertaining. Additional highlights include OWNED! solar, a 3-car garage with an insulated garage door, and RV access for extra parking and storage. Conveniently located just minutes from the Antioch BART station, this home offers easy commuting while still enjoying the privacy of a hillside setting. While the property could benefit from some TLC calling all Investors, it presents an outstanding opportunity to customize and add value in a desirable location close to schools, shopping, dining, parks, and major commuter routes.
Getting Around
Schools
Construction
Condition
- Year built: 1986
Materials
- Foundation: Raised
- Roof: Composition
- Construction materials: Stone,Wood
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence
Interior
Appliances
- Appliances included: Free-Standing Gas Range,Gas Water Heater,Ice Maker,Dishwasher,Disposal,Microwave
- Laundry features: Laundry Room,Laundry Closet,Electric Dryer Hookup,Inside Room
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 4
- Full bathrooms: 3
- Partial bathrooms: 1
Dining Room
- Features: Breakfast Nook,Formal Area
Features
- Flooring: Bamboo,Carpet,Tile
Heating & Cooling
- Heating features: Central
- Cooling features: Central Air,Attic Fan
Interior Area
- Total structure area: 0
- Total interior livable area: 2,496 sqft
Kitchen
- Features: Breakfast Area,Granite Counters,Kitchen/Family Combo
Master Bathroom
- Features: Shower Stall(s),Double Vanity,Tile,Tub,Window
Master Bedroom
- Features: Closet,Walk-In Closet,Sitting Area
Property
Details
- Parcel number: 0722310117
- Zoning: Res.
- Special condition: Standard
Features
- Private pool: Yes
- Pool features: In Ground,Fenced
- Fencing: Back Yard,Wood
- Topography of land: Hillside,Hillside
Lot
- Lot size: 9,975 sqft
- Features: Manual Sprinkler F&R,Cul-De-Sac,Curb(s)/Gutter(s),Irregular Lot
Parking
- Total spaces: 3
- Parking features: Attached,RV Access/Parking,Garage Door Opener,Garage Faces Front,Interior Access,Driveway,Upslope Driveway/Sidewalks
- Has garage: Yes
- Attached garage spaces: 3
- Covered spaces: 3
- Has uncovered spaces: Yes
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
- Heat Wave
How This Home’s Risks Compare
FEMA Declared Disasters in Contra Costa 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 | $3,286 | $39,432 |
| Home Insurance * | $185 | $2,220 |
| Property Taxes | $674 | $8,088 |
| Electricity | $535 | $6,422 |
| Total | $4,680 | $56,160 |
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 |
|---|---|---|
| 2026-08-10 | Price change | $639,997 |
| 2026-07-21 | Listed for sale | $650,000 |
| 2013-02-27 | Sold | $351,750 |
| 2012-10-31 | Sold | $245,000 |
| 2012-07-07 | Listed for sale | $245,000 |
| 2005-06-28 | Sold | $665,000 |
| 2002-03-27 | Sold | $368,000 |
| 2000-08-29 | Sold | $260,000 |
