NOT LISTED FOR SALE

3879 Blackstone Ct Hayward, CA 94542

Estimated Value: $1,862,000 - $2,135,722

6 Beds
4.5 Baths
3,848 Sq Ft
$523/Sq Ft Est. Value

Sale Details

Date Sold: August 19, 2025

Last sale price $2,000,000 $520 Per Sq Ft

Est. 1% increase in value since last sale

Current estimated payment $12,354 / mo

32 Days on Market

Highlights

  • Panoramic View
  • 53,225 Sq Ft lot
  • Wood Flooring
  • Updated Kitchen
  • Contemporary Architecture
  • Solid Surface Countertops

About This Home

As of August 2025

Welcome to this stunning 6-bedroom, 4.5-bathroom home located in the highly desirable Blackstone Community and within the acclaimed Castro Valley School District. Offering 3,848 sq ft of well-designed living space on an expansive lot of over 1 acre, this home sits at the end of a peaceful cul-de-sac, providing the perfect blend of privacy and comfort. Soaring ceilings in the formal living and family rooms create a bright and airy atmosphere. The main level features a spacious primary suite plus an additional ensuite bedroom. The open-concept kitchen boasts stainless steel appliances and flows into a cozy family room with a gas fireplace. A half bath and laundry room complete the main floor. Upstairs, you'll find four more generously sized bedrooms and a large loft that can serve as a second living area, game room, or office. Two bedrooms share a Jack and Jill bathroom, while the other two are served by a hall bath. Enjoy recent updates including a freshly painted interior, new carpet, and energy-saving paid-off solar panels. The expansive backyard is built for entertaining with breathtaking canyon views, a gazebo, an enclosed hot tub, and low-maintenance artificial turf. Additional highlights include a 3-car side-by-side garage and a quiet location ideal for families.

Last Agent to Sell the Property

Lily Do

Compass License #01728793 Listed on: 06/19/2025

Compass

Last Buyer's Agent

Raja Singh

License #02090509

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1998

Lot Details

  • 1.22 Acre Lot
  • North Facing Home

Parking

  • 3 Car Direct Access Garage
  • Side Facing Garage
  • Side by Side Parking
  • Garage Door Opener

Property Views

  • Panoramic
  • Canyon
  • Hills

Home Design

  • Contemporary Architecture
  • Slab Foundation
  • Tile Roof
  • Wood Siding
  • Stucco

Interior Spaces

  • 2-Story Property
  • Gas Fireplace
  • Double Pane Windows
  • Family Room with Fireplace

Kitchen

  • Updated Kitchen
  • Gas Range
  • Microwave
  • Dishwasher
  • Solid Surface Countertops

Flooring

  • Wood
  • Carpet
  • Tile

Bedrooms and Bathrooms

  • 6 Bedrooms

Laundry

  • Dryer
  • Washer

Eco-Friendly Details

  • Solar owned by seller

Utilities

  • Zoned Heating and Cooling System
  • Gas Water Heater

Community Details

  • No Home Owners Association

Listing and Financial Details

  • Assessor Parcel Number 41728420

Home Details

Home Type

Single Family

Year Built

Built in 1998

Lot Details

1.22 Acres

Parking

3

Listing Details

  • Stories: 2
  • Year Built: 1998
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Subdivision Name: Not Listed
  • Directions: Fairview to Old Fairview Ave
  • Architectural Style: Contemporary
  • Garage Yn: Yes
  • Unit Levels: Two Story
  • New Construction: No
  • Special Features: VirtualTour

Interior Features

  • Flooring: Hardwood, Tile, Carpet
  • Appliances: Dishwasher, Gas Range, Microwave, Refrigerator, Dryer, Washer, Gas Water Heater
  • Full Bathrooms: 4
  • Total Bedrooms: 6
  • Fireplace Features: Family Room, Gas
  • Fireplaces: 1
  • Fireplace: Yes
  • Window Features: Double Pane Windows, Window Coverings
  • Room Kitchen Features: Counter - Solid Surface, Dishwasher, Eat-in Kitchen, Gas Range/Cooktop, Kitchen Island, Microwave, Refrigerator, Updated Kitchen

Exterior Features

  • Roof: Tile
  • Lot Features: Premium Lot
  • Pool Features: None
  • Pool Private: No
  • View: Canyon, Park/Greenbelt, Hills, Panoramic
  • Construction Type: Stucco, Wood Siding
  • Direction Faces: North
  • Foundation Details: Slab
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 3
  • Parking Features: Attached, Int Access From Garage, Garage Faces Side, Side By Side, Garage Door Opener

Utilities

  • Heating: Zoned
  • Cooling: Central Air
  • Laundry Features: Dryer, Laundry Room, Washer, Cabinets, Sink
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: Photovoltaics Seller Owned
  • Water Source: Public

Condo/Co-op/Association

  • Association: No

Schools

  • Senior High School District: CASTRO VALLEY UNIFIED SCHOOL DISTRICT

Lot Info

  • Lot Size Sq Ft: 53225
  • Parcel Number: 41728420

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 19, 2025
Closed on
Aug 7, 2025
Sold by
Bought by
Seller's Agent
Lily Do
Compass
Buyer's Agent
Raja Singh
List Price
$2,169,000
Sold Price
$2,000,000
Premium/Discount to List
-$169,000
-7.79%
Views
116
Current Estimated Value
$2,011,931

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$11,931
Avg. Annual Appreciation
0.71%
Original Mortgage
$1,000,000
Outstanding Balance
$999,004
Interest Rate
6%
Mortgage Type
New Conventional
Estimated Equity
$1,012,927

Purchase Details

Closed on
Feb 2, 2018
Sold by
Bought by

Purchase Details

Closed on
Nov 21, 2006
Sold by
Bought by

Purchase Details

Closed on
Aug 27, 2003
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$755,000
Interest Rate
4.75%
Mortgage Type
Unknown

Purchase Details

Closed on
Jul 17, 2003
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$755,000
Interest Rate
4.75%
Mortgage Type
Unknown

Purchase Details

Closed on
May 28, 2001
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$760,000
Interest Rate
7.37%

Purchase Details

Closed on
May 3, 2001
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$760,000
Interest Rate
7.37%

Purchase Details

Closed on
Mar 17, 1998
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$383,800
Interest Rate
3.95%
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$2,000,000 Chicago Title
-- None Available
-- None Available
-- --
-- Fidelity National Title
-- --
$950,000 Fidelity National Title
-- Fidelity National Title
$480,000 First American Title Guarant
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $1,000,000
Previous Owner $755,000
Previous Owner $760,000
Previous Owner $383,800
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
08/19/2025 08/19/25 Sold $2,000,000 -7.8% $520 / Sq Ft
07/21/2025 07/21/25 Pending -- -- --
06/19/2025 06/19/25 For Sale $2,169,000 -- $564 / Sq Ft
Source: Bay East Association of REALTORS®

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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 $18,101 $1,424,393 $429,418 $1,001,975
2024 $18,101 $1,396,330 $420,999 $982,331
2023 $17,820 $1,375,817 $412,745 $963,072
2022 $17,775 $1,341,847 $404,654 $944,193
2021 $17,078 $1,315,400 $396,720 $925,680
2020 $16,693 $1,308,843 $392,653 $916,190
2019 $16,978 $1,283,183 $384,955 $898,228
2018 $16,520 $1,258,027 $377,408 $880,619
2017 $16,110 $1,233,365 $370,009 $863,356
2016 $15,366 $1,209,187 $362,756 $846,431
2015 $14,432 $1,191,033 $357,310 $833,723
2014 $14,332 $1,167,711 $350,313 $817,398
Source: Public Records

Agents Affiliated with this Home

  • Lily Do

    Seller's Agent in 2025

    Lily Do

    Compass

    (510) 520-9891

    220 Total Sales

    Lily Do
    Section Image

  • R

    Buyer's Agent in 2025

    Raja Singh

    (209) 627-9066

    2 Total Sales

    Raja Singh
    Section Image
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Map

Source: Bay East Association of REALTORS®

MLS Number: 41102051

Bay East Association of REALTORS®

APN: 417-0284-020-00

California Alameda County Hayward 94542

3879 Blackstone Ct, Hayward, CA

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