20089 Emerald Ct Castro Valley, CA 94546
Castro Valley East NeighborhoodEstimated payment $6,359/month
Total Views
281,797
3
Beds
1.5
Baths
1,468
Sq Ft
$680
Price per Sq Ft
Highlights
- Updated Kitchen
- Midcentury Modern Architecture
- No HOA
- Marshall Elementary School Rated A
- Solid Surface Countertops
- 1 Car Direct Access Garage
About This Home
Charming 4 Bedroom with 3rd more like a retreat with dressing room AND a Bonus Studio on a LARGE Lot in a Quiet Court Location tucked away on a peaceful court, this beautifully updated single-level home offers the perfect blend of comfort, style, and whimsy. Boasting 3 bedrooms and 1.5 baths, the home features a bright and airy open-concept layout with both a cozy living room and a spacious family room—ideal for gathering, relaxing, or entertaining. Set on a generous lot, the property includes multiple decks perfect for alfresco dining, morning coffee, or sunset lounging. The playful decor and whimsical touches throughout the home give it a distinctive charm, making each space full of personality and charm. The bonus detached studio/shed offers endless possibilities—whether used as a creative workspace, guest retreat, or quiet getaway—bringing even more versatility to this enchanting property. The previous owners used it for a music studio! With its combination of updated features, functional layout, and a delightfully unique aesthetic, this home is a rare gem that balances everyday living with artistic flair. Welcome to a home that’s anything but ordinary.
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $12,509
Year Built
- Built in 1950
Lot Details
- 7,439 Sq Ft Lot
Parking
- 1 Car Direct Access Garage
Home Design
- Midcentury Modern Architecture
- Wood Siding
Interior Spaces
- 1-Story Property
- Wood Burning Fireplace
- Family Room with Fireplace
- Laminate Flooring
- Stacked Washer and Dryer
Kitchen
- Updated Kitchen
- Gas Range
- Dishwasher
- Solid Surface Countertops
Bedrooms and Bathrooms
- 3 Bedrooms
Utilities
- Forced Air Heating and Cooling System
- Gas Water Heater
Community Details
- No Home Owners Association
- Castro Valley Subdivision
Listing and Financial Details
- Assessor Parcel Number 84C106472
Map
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Home Values in the Area
Average Home Value in this Area
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $12,509 | $1,010,075 | $305,122 | $711,953 |
| 2024 | $12,509 | $990,136 | $299,141 | $697,995 |
| 2023 | $12,317 | $977,587 | $293,276 | $684,311 |
| 2022 | $12,088 | $951,420 | $287,526 | $670,894 |
| 2021 | $11,782 | $932,634 | $281,890 | $657,744 |
| 2020 | $5,760 | $438,310 | $131,492 | $306,818 |
| 2019 | $5,859 | $429,718 | $128,914 | $300,804 |
| 2018 | $5,692 | $421,295 | $126,387 | $294,908 |
| 2017 | $5,541 | $413,037 | $123,910 | $289,127 |
| 2016 | $5,216 | $400,167 | $120,050 | $280,117 |
| 2015 | $4,874 | $394,158 | $118,247 | $275,911 |
| 2014 | $4,806 | $386,438 | $115,931 | $270,507 |
Source: Public Records
Property History
| Date | Event | Price | Change | Sq Ft Price |
|---|---|---|---|---|
| 09/08/2025 09/08/25 | Price Changed | $998,000 | -9.1% | $680 / Sq Ft |
| 08/08/2025 08/08/25 | Price Changed | $1,098,000 | -4.5% | $748 / Sq Ft |
| 07/14/2025 07/14/25 | Price Changed | $1,150,000 | -3.4% | $783 / Sq Ft |
| 07/08/2025 07/08/25 | Price Changed | $1,190,000 | +28.0% | $811 / Sq Ft |
| 06/16/2025 06/16/25 | Off Market | $930,000 | -- | -- |
| 06/10/2025 06/10/25 | For Sale | $1,195,000 | +28.5% | $814 / Sq Ft |
| 02/04/2025 02/04/25 | Off Market | $930,000 | -- | -- |
| 03/10/2020 03/10/20 | Sold | $930,000 | +24.2% | $634 / Sq Ft |
| 02/19/2020 02/19/20 | Pending | -- | -- | -- |
| 02/06/2020 02/06/20 | For Sale | $749,000 | -- | $510 / Sq Ft |
Source: Bay East Association of REALTORS®
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $930,000 | Placer Title Company | |
| Interfamily Deed Transfer | -- | None Available | |
| Interfamily Deed Transfer | -- | None Available | |
| Grant Deed | $310,000 | Cornerstone Title Company | |
| Grant Deed | $319,000 | American Title Co | |
| Quit Claim Deed | -- | -- |
Source: Public Records
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $614,482 | New Conventional | |
| Closed | $630,000 | New Conventional | |
| Previous Owner | $302,000 | New Conventional | |
| Previous Owner | $302,141 | FHA | |
| Previous Owner | $118,812 | Credit Line Revolving | |
| Previous Owner | $45,000 | Credit Line Revolving | |
| Previous Owner | $55,000 | Credit Line Revolving | |
| Previous Owner | $50,000 | Credit Line Revolving | |
| Previous Owner | $438,000 | Fannie Mae Freddie Mac | |
| Previous Owner | $70,000 | Credit Line Revolving | |
| Previous Owner | $318,750 | Unknown | |
| Previous Owner | $275,000 | No Value Available | |
| Previous Owner | $50,000 | Unknown |
Source: Public Records
About the Listing Agent
I'm an expert real estate agent with Century 21 Masters in Castro Valley, California and the surrounding area, providing home-buyers and sellers with professional, responsive and attentive real estate services. Want an agent who'll really listen to what you want in a home? Need an agent who knows how to effectively market your home so it sells? Give me a call! I'm eager to help and am happy to chat! Check out my GOOGLE reviews! I love what I do and it shows! Buying or Selling, I'm your go-to
Janella's Other Listings
Source: Bay East Association of REALTORS®
MLS Number: 41100896
APN: 084C-1064-072-00
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Bay East ©2025. CCAR ©2025. bridgeMLS ©2025. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
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