NOT LISTED FOR SALE

503 Blackstone Ct Danville, CA 94506

Tassajara Neighborhood

Estimated Value: $1,637,000 - $1,838,000

5 Beds
3 Baths
2,558 Sq Ft
$693/Sq Ft Est. Value

Last Sold August 13, 2020

Last sale price $1,263,000 $494 Per Sq Ft

Est. 40% increase in value since last sale

Current estimated payment $10,634/month

15 Days on Market

Highlights

  • Updated Kitchen
  • Family Room with Fireplace
  • Solid Surface Countertops
  • Golden View Elementary School Rated A
  • Mediterranean Architecture
  • 3-minute walk to Diablo Vista Soccer Field

About This Home

As of August 2020

Perfect shelter in place home! Five bedrooms with one full bed and bath on the main level. Upstairs bonus room is great for play room or quiet retreat. Wonderful court street within easy walking distance to Blackhawk Shopping Plaza, Movies, groceries and more. Desgnier touches throughout with a remodeled kitchen, quartz countertops and stainless steel appliances. Interior freshly painted and ready to move in!

Last Agent to Sell the Property

Janice Colby

Keller Williams Tri-valley Rea License #01270034 Listed on: 06/21/2020

Keller Williams Tri-valley Rea

Last Buyer's Agent

Out Of Area Non Member

Bay East Aor

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1995

Lot Details

  • 4,675 Sq Ft Lot

HOA Fees

  • $84 Monthly HOA Fees

Parking

  • 3 Car Garage

Home Design

  • Mediterranean Architecture
  • Slab Foundation
  • Tile Roof
  • Stucco

Interior Spaces

  • 2-Story Property
  • Two Way Fireplace
  • Family Room with Fireplace
  • 2 Fireplaces

Kitchen

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

Flooring

  • Carpet
  • Laminate
  • Tile

Bedrooms and Bathrooms

  • 5 Bedrooms
  • 3 Full Bathrooms

Utilities

  • Cooling Available
  • Forced Air Heating System
  • 220 Volts in Kitchen

Listing and Financial Details

  • Assessor Parcel Number 2062830209

Community Details

Overview

  • Association fees include common area maintenance, management fee, reserves
  • Association Phone (925) 484-2300
  • Tassajara Subdivision
  • Greenbelt

Recreation

  • Community Pool

Home Details

Home Type

Single Family

Year Built

Built in 1995

Lot Details

0

HOA Fees

$84 per month

Parking

3

Listing Details

  • Stories: 2
  • Year Built: 1995
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Subdivision Name: Tassajara
  • Directions: Tassahara Rnch Blackstone Blackstone Ct
  • Architectural Style: Mediterranean
  • Garage Yn: Yes
  • Unit Levels: Two Story
  • New Construction: No
  • remarks11: Showings by appointment only once PEAD has been submitted. This home was on the MLS as a Coming Soon and went pending with a preemptive offer before going to market. Buyers backed out for reasons regarding modifications they wished to make to the home.
  • remarks22: Janice E Colby - Agt: 925-9899293 - Perfect shelter in place home! Five bedrooms with one full bed and bath on the main level. Upstairs bonus room is great for play room or quiet retreat. Wonderful court street within easy walking distance to Blackhawk Shopping Plaza, Movies, groceries and more. Desgnier touches throughout with a remodeled kitchen, quartz countertops and stainless steel appliances. Interior freshly painted and ready to move in!
  • Special Features: None

Interior Features

  • Flooring: Laminate, Tile, Carpet
  • Appliances: Dishwasher, Gas Range, Refrigerator
  • Full Bathrooms: 3
  • Total Bedrooms: 5
  • Fireplace Features: Family Room, Two-Way
  • Fireplaces: 2
  • Fireplace: Yes
  • Room Kitchen Features: 220 Volt Outlet, Counter - Solid Surface, Dishwasher, Gas Range/Cooktop, Refrigerator, Updated Kitchen

Exterior Features

  • Roof: Tile
  • Lot Features: Level
  • Pool Private: No
  • Construction Type: Stucco
  • Foundation Details: Slab
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 3

Utilities

  • Heating: Forced Air
  • Cooling: Ceiling Fan(s)
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar, 220 Volts in Kitchen

Condo/Co-op/Association

  • Amenities: Greenbelt, Pool
  • Association Fee: 84
  • Association Fee Frequency: Monthly
  • Association Name: CALL LISTING AGENT
  • Phone: 925-484-2300
  • Association: Yes

Fee Information

  • Association Fee Includes: Common Area Maint, Management Fee, Reserves

Schools

  • Senior High School District: San Ramon Valley (925) 552-5500

Lot Info

  • Lot Size Sq Ft: 4675
  • Parcel Number: 2062830209

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 21, 2020
Closed on
Jul 28, 2020
Sold by
Huang Qiu Hua
Bought by
Guo Qi Chen
Seller's Agent
Janice Colby
Keller Williams Tri-valley Rea
Buyer's Agent
Out Of Area Non Member
Bay East Aor
List Price
$1,225,000
Sold Price
$1,263,000
Premium/Discount to List
$38,000
3.1%
Current Estimated Value
$1,771,833

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$508,833
Avg. Annual Appreciation
6.41%
Original Mortgage
$884,100
Outstanding Balance
$825,240
Interest Rate
6.37%
Mortgage Type
New Conventional
Estimated Equity
$946,593

Purchase Details

Closed on
Jul 31, 2019
Sold by
Hamilton Peter and Hamilton Linda
Bought by
Hamilton Peter Girard and Hamilton Linda Diane

Purchase Details

Closed on
Apr 25, 2017
Sold by
Sinohue Robert A and Sinohue Lisa
Bought by
Hamilton Peter and Hamilton Linda

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$920,000
Interest Rate
3.62%
Mortgage Type
Adjustable Rate Mortgage/ARM

Purchase Details

Closed on
Oct 30, 2007
Sold by
Mazzetti Peter P and Mazzetti Susan E
Bought by
Sinohue Robert A and Jones Lisa M

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$688,000
Interest Rate
6.37%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Sep 9, 2004
Sold by
Mazzetti Peter P and Mazzetti Susan E
Bought by
Mazzetti Peter P and Mazzetti Susan E

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$270,000
Interest Rate
5.94%
Mortgage Type
Credit Line Revolving

Purchase Details

Closed on
Jul 24, 2003
Sold by
Mazzetti Peter P and Mazzetti Susan E
Bought by
Mazzetti Peter P and Mazzetti Susan E

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$465,000
Interest Rate
5.17%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Jan 15, 2003
Sold by
Mazzetti Peter P and Mazzetti Susan E
Bought by
Mazzetti Peter P and Mazzetti Susan E

Purchase Details

Closed on
Jan 19, 2001
Sold by
Tremblay Thomas D
Bought by
Mazzetti Peter P and Mazzetti Susan E

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$450,000
Interest Rate
7.41%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Dec 13, 1994
Sold by
Pacific Greystone Corp
Bought by
Tremblay Thomas D
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
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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

Date Buyer Sale Price Title Company
Guo Qi Chen -- Old Republic Title Company
Guo Qi Chen $1,263,000 Old Republic Title Company
Hamilton Peter Girard -- None Available
Hamilton Peter $1,150,000 Fidelity National Title Co
Sinohue Robert A $860,000 Old Republic Title Company
Mazzetti Peter P -- Financial Title
Mazzetti Peter P -- Financial Title
Mazzetti Peter P -- Financial Title
Mazzetti Peter P -- --
Mazzetti Peter P $677,500 Placer Title Company
Tremblay Thomas D $355,000 First American Title Guarant
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Guo Qi Chen $884,100
Previous Owner Hamilton Peter $920,000
Previous Owner Sinohue Robert A $688,000
Previous Owner Mazzetti Peter P $270,000
Previous Owner Mazzetti Peter P $465,000
Previous Owner Mazzetti Peter P $450,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
06/16/2025 06/16/25 Off Market $1,263,000 -- --
02/04/2025 02/04/25 Off Market $1,263,000 -- --
08/13/2020 08/13/20 Sold $1,263,000 +3.1% $494 / Sq Ft
07/06/2020 07/06/20 Pending -- -- --
07/03/2020 07/03/20 For Sale $1,225,000 0.0% $479 / Sq Ft
06/29/2020 06/29/20 Pending -- -- --
06/21/2020 06/21/20 For Sale $1,225,000 -- $479 / Sq Ft
Source: Contra Costa Association of REALTORS®

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 $16,081 $1,367,110 $865,945 $501,165
2024 $15,446 $1,340,305 $848,966 $491,339
2023 $15,446 $1,314,025 $832,320 $481,705
2022 $15,327 $1,288,260 $816,000 $472,260
2021 $15,057 $1,263,000 $800,000 $463,000
2019 $14,463 $1,196,460 $624,240 $572,220
2018 $13,949 $1,173,000 $612,000 $561,000
2017 $11,628 $973,319 $509,296 $464,023
2016 $11,475 $954,235 $499,310 $454,925
2015 $11,332 $939,902 $491,810 $448,092
2014 $10,066 $821,000 $429,594 $391,406
Source: Public Records

Agents Affiliated with this Home

  • Janice Colby

    Seller's Agent in 2020

    Janice Colby

    Keller Williams Tri-valley Rea

    (925) 989-9293

    1 in this area

    26 Total Sales

    Janice Colby
    Section Image

  • O

    Buyer's Agent in 2020

    Out Of Area Non Member

    Bay East Aor

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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 40909444

Contra Costa Association of REALTORS®

APN: 206-283-020-9

California Contra Costa County Danville 94506 Tassajara

503 Blackstone Ct, Danville, CA

Not Listed for Sale

Detached

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