Michael Hyles
Re/Max 1st Choice
(925) 592-3870
21 Total Sales
2 in Blackhawk
$1.7M - $1.9M Price Range
4499 Deer Ridge Rd Danville, CA 94506
Blackhawk NeighborhoodEstimated Value: $7,428,000 - $8,279,933
6
Beds
9
Baths
13,748
Sq Ft
$571/Sq Ft
Est. Value
Highlights
- Guest House
- Media Room
- Panoramic View
- Tassajara Hills Elementary School Rated A+
- Solar Heated In Ground Pool
- Custom Home
About This Home
As of August 2021Beautifully designed and newly renovated estate situated on over 2 private acres. Surrounded by rolling hills, this lavishly appointed 9,932 square foot residence features 7 bedroom suites and 7 full bathrooms, 2 powder rooms, an expansive and well-appointed chef’s kitchen, a 12-person theatre, a spacious game room, elegant library, office and the convenience of a built-in elevator. Abundant windows throughout and private balconies allow natural light in and reveal spectacular views of the hills. Meticulously landscaped, the elegant grounds feature a charming guest house, pebble surface pool and spa with a graceful marble waterfall and slide, a full-sized tennis court, a parklike play structure, batting cage and putting green. Over $3 million in renovations, no expense was spared on this magnificent estate.
Co-Listed By
Amy Keohane
Compass License #01931596
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area
Home Details
Home Type
- Single Family
Year Built
- Built in 1995
Lot Details
- 2.02 Acre Lot
- Cul-De-Sac
- Fenced
- Landscaped
- Private Lot
- Secluded Lot
- Sprinklers Throughout Yard
- Garden
- Back and Front Yard
HOA Fees
- $187 Monthly HOA Fees
Parking
- 5 Car Direct Access Garage
Property Views
- Panoramic
- Mount Diablo
- Hills
Home Design
- Custom Home
- Contemporary Architecture
- Raised Foundation
- Stucco
Interior Spaces
- 2-Story Property
- Sound System
- Ceiling Fan
- Wood Burning Fireplace
- Two Way Fireplace
- Raised Hearth
- Stone Fireplace
- Gas Fireplace
- Family Room with Fireplace
- 3 Fireplaces
- Family Room Off Kitchen
- Living Room with Fireplace
- Formal Dining Room
- Media Room
- Home Office
- Library
- Recreation Room with Fireplace
- Crawl Space
Kitchen
- Updated Kitchen
- Eat-In Kitchen
- Breakfast Bar
- Built-In Double Oven
- Gas Range
- Dishwasher
- Kitchen Island
- Stone Countertops
Flooring
- Wood
- Carpet
Bedrooms and Bathrooms
- 6 Bedrooms
- Fireplace in Primary Bedroom
- In-Law or Guest Suite
Laundry
- Laundry closet
- Dryer
- Washer
Home Security
- Intercom
- Fire and Smoke Detector
Pool
- Solar Heated In Ground Pool
- Gunite Pool
- Spa
- Pool has a Solar Cover
- Pool Cover
- Pool Sweep
Utilities
- Zoned Heating and Cooling
- Heating System Uses Natural Gas
- Gas Water Heater
Additional Features
- Outdoor Storage
- Guest House
Listing and Financial Details
- Assessor Parcel Number 2205310069
Community Details
Overview
- Association fees include common area maintenance, security/gate fee
- Blackhawk HOA, Phone Number (925) 736-6440
- Blackhawk C. C. Subdivision
- Greenbelt
Recreation
- Community Playground
Security
- Gated Community
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
Jan 14, 2021
Closed on
Jul 30, 2021
Sold by
Radtke William D and The Catherine N Schwab Revocab
Bought by
Seller's Agent
Taso Tsakos
Engel & Volkers
Buyer's Agent
Daniel Buffington
List Price
$8,950,000
Sold Price
$7,600,000
Premium/Discount to List
-$1,350,000
-15.08%
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$889,212
Avg. Annual Appreciation
0.65%
Original Mortgage
$2,600,000
Interest Rate
3.25%
Mortgage Type
New Conventional
Purchase Details
Closed on
Nov 17, 2014
Sold by
Radtke William D
Bought by
Radtke William D and Catherine N Schwab Revocable Trust
Purchase Details
Closed on
May 31, 2011
Sold by
Schoenberg Matthew
Bought by
Schwab Catherine N and The Catherine N Schwab Family Trust
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$4,900,000
Interest Rate
2.43%
Mortgage Type
Adjustable Rate Mortgage/ARM
Purchase Details
Closed on
May 15, 2009
Sold by
Ayers William M and Ayers Shelly
Bought by
Schoenberg Matthew and Matthew Schoenberg Living Trust
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$3,000,000
Interest Rate
5.37%
Mortgage Type
Unknown
Purchase Details
Closed on
Aug 2, 2005
Sold by
Douglas Steven and Douglas Susan
Bought by
Ayers William M and Ayers Shelly
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$4,134,000
Interest Rate
6.17%
Mortgage Type
Negative Amortization
Purchase Details
Closed on
Apr 5, 1999
Sold by
Chris Mullin and Eliz Connelly Mullin
Bought by
Douglas Steven and Douglas Susan
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Blackhawk, CA
-
Michael Hyles
-
Kari Wahl
Kari Wahl
Exp Realty Of California, Inc
(925) 396-5824
75 Total Sales
3 in Blackhawk
$1M - $2.8M Price Range
-
Hebe Li
Hebe Li
The Agency
(650) 459-5752
96 Total Sales
1 in Blackhawk
$2,008,880 Price
-
Rick Rodriguez
Rick Rodriguez
Core One Real Estate & Mgmt.
(925) 320-3862
28 Total Sales
1 in Blackhawk
$1,160,000 Price
-
Timothy McGuire
Timothy McGuire
Compass
(925) 396-5092
205 Total Sales
1 in Blackhawk
$2,185,000 Price
-
Jennifer Collins
Jennifer Collins
Compass
(925) 396-8588
91 Total Sales
2 in Blackhawk
$2.5M - $2.7M Price Range
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 |
|---|---|---|---|
| $7,600,000 | First American Title Company | ||
| Radtke William D | -- | None Available | |
| Schwab Catherine N | -- | Old Republic Title Company | |
| Schoenberg Matthew | -- | Fidelity National Title Co | |
| Ayers William M | $6,890,000 | Ticor Title Company Of Ca | |
| Douglas Steven | $3,620,000 | Chicago Title Co |
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 | $2,000,000 | ||
| Closed | Chashmawala Abdul Kader | $2,600,000 | |
| Closed | Chashmawala Abdul Kader | $2,600,000 | |
| Closed | Chashmawala Abdul Kader | $2,000,000 | |
| Previous Owner | Radtke William D | $4,935,100 | |
| Previous Owner | Radtke William D | $4,935,100 | |
| Previous Owner | Schwab Catherine N | $4,900,000 | |
| Previous Owner | Schoenberg Matthew | $1,500,000 | |
| Previous Owner | Schoenberg Matthew | $3,000,000 | |
| Previous Owner | Schoenberg Matthew | $1,000,000 | |
| Previous Owner | Schoenberg Matthew | $3,000,000 | |
| Previous Owner | Ayers William M | $340,000 | |
| Previous Owner | Ayers William M | $5,000,000 | |
| Previous Owner | Ayers William M | $4,134,000 | |
| Previous Owner | Douglas Steven | $2,950,000 | |
| Previous Owner | Douglas Steven | $480,000 | |
| Previous Owner | Douglas Steven | $2,400,000 | |
| Previous Owner | Douglas Steven | $100,000 |
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 |
|---|---|---|---|---|
| 02/04/2025 02/04/25 | Off Market | $7,600,000 | -- | -- |
| 08/05/2021 08/05/21 | Sold | $7,600,000 | -4.9% | $553 / Sq Ft |
| 07/13/2021 07/13/21 | Pending | -- | -- | -- |
| 03/26/2021 03/26/21 | Price Changed | $7,995,000 | -10.7% | $582 / Sq Ft |
| 01/14/2021 01/14/21 | For Sale | $8,950,000 | -- | $651 / Sq Ft |
Source: Contra Costa 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 |
|---|---|---|---|---|
| 2026 | $88,769 | $8,226,483 | $2,164,864 | $6,061,619 |
| 2025 | $88,769 | $8,065,180 | $2,122,416 | $5,942,764 |
| 2024 | $86,999 | $7,907,040 | $2,080,800 | $5,826,240 |
| 2023 | $85,722 | $7,752,000 | $2,040,000 | $5,712,000 |
| 2022 | $85,082 | $7,600,000 | $2,000,000 | $5,600,000 |
| 2021 | $102,489 | $9,200,000 | $3,400,000 | $5,800,000 |
| 2019 | $103,642 | $9,200,000 | $2,400,000 | $6,800,000 |
| 2018 | $101,763 | $9,200,000 | $2,400,000 | $6,800,000 |
| 2017 | $100,072 | $9,200,000 | $2,400,000 | $6,800,000 |
| 2016 | $101,071 | $9,200,000 | $2,400,000 | $6,800,000 |
| 2015 | $126,682 | $11,500,000 | $3,100,000 | $8,400,000 |
| 2014 | $133,471 | $12,018,919 | $3,135,370 | $8,883,549 |
Source: Public Records
Agents Affiliated with this Home
-
Taso Tsakos
Seller's Agent in 2021
Taso Tsakos
Engel & Volkers
(925) 785-5419
52 Total Sales
-
AK
Seller Co-Listing Agent in 2021
Amy Keohane
Compass
-
Daniel Buffington
Buyer's Agent in 2021
Daniel Buffington
(925) 337-7617
26 Total Sales
Map
Source: Contra Costa Association of REALTORS®
MLS Number: 40932146
APN: 220-531-006-9
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
Bay East ©2026. BridgeMLS ©2026, CCAR ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, BridgeMLS or CCAR MLS. 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.
Nearby Homes
- 3357 Deer Hollow Dr
- 4355 Quail Run Ln
- 421 Stoneybrook Ct
- 10 Bent Oak Ct
- 3331 Quail Walk Ln
- 4133 Quail Run Dr
- 4283 Knollview Dr
- 4211 Blackhawk Meadow Place
- 804 Eastbrook Ct
- 3236 Blackhawk Meadow Dr
- 3385 Green Meadow Dr
- 3551 Shadow Creek Dr
- 4178 Rockcreek Dr
- 0 Finley Rd
- 1967 Casablanca St
- 1967 Casablanca St
- 209 Walnut Creek Ct
- 1960 Casablanca St
- 5194 Bengali St
- 5032 Enderby St
- 4495 Deer Ridge Rd
- 4494 Deer Ridge Rd
- 3364 Deer Hollow Dr
- 3358 Deer Hollow Dr
- 3368 Deer Hollow Dr
- 3354 Deer Hollow Dr
- 4491 Deer Ridge Rd
- 3372 Deer Hollow Dr
- 3350 Deer Hollow Dr
- 4488 Deer Ridge Rd
- 3363 Deer Hollow Dr
- 3367 Deer Hollow Dr
- 3353 Deer Hollow Dr
- 3376 Deer Hollow Dr
- 3450 Deer Ridge Dr
- 3348 Deer Hollow Dr
- 3373 Deer Hollow Dr
- 3444 Deer Ridge Dr
- 3440 Deer Ridge Dr
- 4484 Deer Ridge Rd
Your Personal Tour Guide
Ask me questions while you tour the home.