Kari Wahl
Exp Realty Of California, Inc
(925) 396-5824
75 Total Sales
1 in East Contra Costa
$610,000 Price
3600 Byer Rd Byron, CA 94514
East Contra Costa NeighborhoodEstimated Value: $4,516,240
5
Beds
8
Baths
10,000
Sq Ft
$452/Sq Ft
Est. Value
Highlights
- In Ground Pool
- RV or Boat Parking
- Custom Home
- Discovery Bay Elementary School Rated A-
- Solar Power System
- 1,235,797 Sq Ft lot
About This Home
As of February 2026ATTNENTION All CAR ENTHUSIASTS! Welcome to Bella Torre. This architectural masterpiece is one of Northern California’s Most iconic estates boasting luxurious unparalleled amenities. Strategically located between San Francisco, Sacramento, & our beautiful Napa Valley w/private airport just minutes away. The exterior showcases French stucco, while the interior boasts Venetian plaster, extensive Brazilian handcrafted mahogany, imported Brazilian doors, & exquisite Spanish & Italian stone throughout. The magnificent single story has approx. 10,000 square feet of living space including 5 bedrooms, 6 full & 2 half bathrooms, & approx 23,000 total sf under roof, w/ room for 35+ cars indoors. w/ expansive indoor & outdoor living spaces, handcrafted custom stonework throughout, 20 foot ceilings, a state-of-the-art kitchen equipped for gourmet cooking, magnificent formal dining room, private movie theater with designer seating, fiber optic ceilings and Dolby THX sound system for an astounding cinematic experience, temperature controlled 1,500 bottle wine cellar, 6 fireplaces, 1 bed/1 bath detached guesthouse, racquetball court, gym, custom saltwater infinity pool & spa...so much more! Please see virtual tour & property website for full description about this one of a kind home.
Last Agent to Sell the Property
Merrill Signature Properties License #01833825 Listed on: 03/18/2025
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Home Details
Home Type
- Single Family
Year Built
- Built in 2007
Lot Details
- 28.37 Acre Lot
- Landscaped
- Premium Lot
- Level Lot
- Back Yard
Parking
- 35 Car Attached Garage
- Garage Door Opener
- RV or Boat Parking
Home Design
- Custom Home
- Tile Roof
- Plaster
Interior Spaces
- 1-Story Property
- Ceiling Fan
- Family Room with Fireplace
- 6 Fireplaces
- Wood Flooring
Kitchen
- Eat-In Kitchen
- Breakfast Bar
- Gas Range
- Microwave
- Plumbed For Ice Maker
- Dishwasher
- Kitchen Island
- Stone Countertops
Bedrooms and Bathrooms
- 5 Bedrooms
- Fireplace in Primary Bedroom
Laundry
- Laundry Room
- Laundry in Garage
Eco-Friendly Details
- Solar Power System
- Solar owned by a third party
Pool
- In Ground Pool
- Heated Spa
Farming
- Agricultural
Utilities
- Zoned Heating and Cooling System
- Well
Community Details
- No Home Owners Association
- Byron Subdivision
Listing and Financial Details
- Assessor Parcel Number 0020400644
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
Closed on
Jul 31, 2026
Sold by
Uthiramadaswamy Ganaprakasam and Shankari Chellappa Shiva
Bought by
Current Estimated Value
Purchase Details
Closed on
Jun 1, 2026
Sold by
Radhakrishnan Ramalingam and Uthiramadaswamy Ganaprakasam
Bought by
Ramalingam Radhakrishnan
Purchase Details
Listed on
Mar 18, 2025
Closed on
Jan 30, 2026
Sold by
Kenneth Gardner
Bought by
Ramalingam Radhakrishnan and Ganasprakasam Uthiramadaswamy
Seller's Agent
Noelle Charles-Merrill
Merrill Signature Properties
Buyer's Agent
Pal Singh
Inizio Realty Inc.
List Price
$5,750,000
Sold Price
$4,500,000
Premium/Discount to List
-$1,250,000
-21.74%
Views
102
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
0.59%
Original Mortgage
$2,250,000
Interest Rate
6.18%
Mortgage Type
New Conventional
Purchase Details
Closed on
Apr 8, 2022
Sold by
Gardner and Marissa
Bought by
Gardner Kenneth
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$2,750,155
Interest Rate
3.85%
Mortgage Type
New Conventional
Purchase Details
Closed on
Aug 6, 2018
Sold by
Polimeno Family Lp
Bought by
Gardner Ken
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$395,000
Interest Rate
4.6%
Mortgage Type
New Conventional
Purchase Details
Closed on
Aug 9, 2013
Sold by
Gardner Ken
Bought by
Polimeno Family Limited Partnership
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,000,000
Interest Rate
4.28%
Mortgage Type
Unknown
Purchase Details
Closed on
Jul 29, 2013
Sold by
Polimeno Family Limited Partnership
Bought by
Gardner Ken
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,000,000
Interest Rate
4.28%
Mortgage Type
Unknown
Purchase Details
Closed on
Apr 24, 2009
Sold by
Polimeno John
Bought by
Polimeno Family Limited Partnership
Purchase Details
Closed on
Apr 1, 2009
Sold by
Polimeno John
Bought by
Polimeno Jason
Home Values in the Area
Average Home Value in this Area
Agents Specializing in East Contra Costa, CA
-
Kari Wahl
-
Rick Rodriguez
Rick Rodriguez
Core One Real Estate & Mgmt.
(925) 320-3862
28 Total Sales
1 in East Contra Costa
$225,000 Price
-
Brianna Salinas
Brianna Salinas
EXP Realty
(925) 329-3634
60 Total Sales
3 in East Contra Costa
$655K - $1.3M Price Range
-
Diana Mcgee
Diana Mcgee
Responds QuicklyBHG REAL ESTATE ROYAL & ASSOC.
(925) 281-5086
36 Total Sales
3 in East Contra Costa
$521K - $595K Price Range
-
Adolfo Rios Sr.
Adolfo Rios Sr.
Bcre
(341) 766-0073
20 Total Sales
1 in East Contra Costa
$615,000 Price
-
Jonathan Crossley
Jonathan Crossley
eXp Realty of California, Inc
(628) 250-5112
7 Total Sales
1 in East Contra Costa
$565,000 Price
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 |
|---|---|---|---|
| -- | Chicago Title | ||
| Ramalingam Radhakrishnan | $4,500,000 | Chicago Title | |
| Gardner Kenneth | -- | First American Title | |
| Gardner Ken | $395,000 | None Available | |
| Polimeno Family Limited Partnership | -- | None Available | |
| Gardner Ken | $1,300,000 | Fidelity National Title Co | |
| Polimeno Family Limited Partnership | -- | None Available | |
| Polimeno Angela | -- | None Available | |
| Polimeno Jason | -- | None Available | |
| Polimeno Kristie | -- | None Available | |
| Polimeno Kristie | -- | None Available | |
| Polimeno Angela | -- | None Available | |
| Polimeno John | -- | None Available | |
| Polimeno John | -- | None Available | |
| Polimeno Angela | -- | None Available | |
| Polimeno Jason | -- | None Available |
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 |
|---|---|---|---|
| Previous Owner | $2,250,000 | ||
| Closed | Gardner Kenneth | $2,750,155 | |
| Previous Owner | Gardner Ken | $395,000 | |
| Previous Owner | Gardner Ken | $2,206,000 | |
| Previous Owner | Gardner Ken | $1,000,000 | |
| Previous Owner | Gardner Ken | $1,250,000 |
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 |
|---|---|---|---|---|
| 02/05/2026 02/05/26 | Sold | $4,500,000 | -21.7% | $450 / Sq Ft |
| 12/26/2025 12/26/25 | Pending | -- | -- | -- |
| 12/03/2025 12/03/25 | Off Market | $5,750,000 | -- | -- |
| 12/01/2025 12/01/25 | For Sale | $5,750,000 | 0.0% | $575 / Sq Ft |
| 07/23/2025 07/23/25 | Off Market | $5,750,000 | -- | -- |
| 03/18/2025 03/18/25 | For Sale | $6,338,880 | -- | $634 / Sq Ft |
Source: bridgeMLS
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 | $25,078 | $2,326,993 | $637,687 | $1,689,306 |
| 2025 | $25,078 | $2,281,367 | $625,184 | $1,656,183 |
| 2024 | $23,901 | $2,236,635 | $612,926 | $1,623,709 |
| 2023 | $23,901 | $2,192,780 | $600,908 | $1,591,872 |
| 2022 | $23,521 | $2,149,785 | $589,126 | $1,560,659 |
| 2021 | $22,891 | $2,107,633 | $577,575 | $1,530,058 |
| 2019 | $22,223 | $2,000,024 | $560,445 | $1,439,579 |
| 2018 | $21,428 | $1,960,808 | $549,456 | $1,411,352 |
| 2017 | $21,113 | $1,922,362 | $538,683 | $1,383,679 |
| 2016 | $20,294 | $1,884,670 | $528,121 | $1,356,549 |
| 2015 | -- | $1,856,362 | $520,189 | $1,336,173 |
| 2014 | $19,880 | $1,820,000 | $510,000 | $1,310,000 |
Source: Public Records
Agents Affiliated with this Home
-
Noelle Charles-Merrill
Seller's Agent in 2026
Noelle Charles-Merrill
Merrill Signature Properties
(925) 759-4917
1 in this area
28 Total Sales
-
Pal Singh
PS
Buyer's Agent in 2026
Pal Singh
Inizio Realty Inc.
(510) 453-6888
1 in this area
14 Total Sales
Map
Source: bridgeMLS
MLS Number: 41089832
APN: 002-040-064-4
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. CCAR 2026. bridgeMLS 2026. 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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