NOT LISTED FOR SALE

3955 Rancho Diablo Rd Byron, CA 94514

East Contra Costa Neighborhood

Estimated Value: $1,546,000 - $1,727,000

3 Beds
2.5 Baths
3,426 Sq Ft
$478/Sq Ft Est. Value

Sale Details

Date Sold: July 7, 2025

Last sale price $1,550,000 $452 Per Sq Ft

Est. 6% increase in value since last sale

Current estimated payment $10,381 / mo

71 Days on Market

Highlights

  • Horses Allowed On Property
  • Spa
  • Panoramic View
  • Discovery Bay Elementary School Rated A-
  • RV Access or Parking
  • Custom Home

About This Home

As of July 2025

Stunning 3426 sq ft Custom Home on 5.2-Fenced Acres. Beautifully appointed home with fantastic views, a front porch, circular driveway, formal living & dining rooms, oversized great room, soaring ceilings, gas fireplace, French doors open on to a back porch that over looks huge 2400 sq ft patio, spa, fountain & fenced acreage. All of the spacious bedrooms are downstairs w/ensuite baths, plantation shutters & large closets. There is a versatile upstairs loft that could double as a game room, 4th bedroom, gym or home office & includes a large temperature controlled storage room. The kitchen has a center island, pendant lights, granite countertops, SS appliances, a 6-burner gas cooktop, built-in fridge, pro style range hood, pull-out shelving & under cabinet lighting. The large laundry room has an exterior door, includes washer/dryer, sink & lots of cabinets. Mudroom area has a bench & storage, plus a tech desk/drop zone. The cul-de-sac street enhances privacy. Other features include: Irrigation lines run to field, auto sprinklers for landscaped front & backyard spaces, oversized gates for equipt/RV access, All Newer:Roof, HVAC System, RO sys, Water heater Well pump, Oven/Microwave- Other features include 1/2 bath, sheds, surround sound, custom window coverings & more! VA buyers OK

Last Agent to Sell the Property

Debbie Monceaux

Klemm Real Estate License #01413579 Listed on: 03/20/2025

Last Buyer's Agent

Moe Yousofi

Redfin License #01420987

Redfin

Home Details

Home Type

  • Single Family

Year Built

  • Built in 2002 | Remodeled

Lot Details

  • 5.2 Acre Lot
  • Cul-De-Sac
  • Street terminates at a dead end
  • Kennel or Dog Run
  • Back Yard Fenced
  • Landscaped
  • Private Lot
  • Front and Back Yard Sprinklers
  • Manual Sprinklers System
  • Property is zoned RUR HMST

Parking

  • 2 Car Attached Garage
  • 2 Open Parking Spaces
  • Inside Entrance
  • Side Facing Garage
  • Side by Side Parking
  • Garage Door Opener
  • Gravel Driveway
  • RV Access or Parking

Property Views

  • Panoramic
  • Pasture
  • Hills

Home Design

  • Custom Home
  • 2-Story Property
  • Traditional Architecture
  • Ranch Property
  • Slab Foundation
  • Frame Construction
  • Blown Fiberglass Insulation
  • Ceiling Insulation
  • Composition Roof
  • Stucco

Interior Spaces

  • 3,426 Sq Ft Home
  • Wired For Sound
  • Cathedral Ceiling
  • Ceiling Fan
  • Gas Log Fireplace
  • Double Pane Windows
  • Window Treatments
  • Window Screens
  • Formal Entry
  • Family Room with Fireplace
  • Great Room
  • Combination Kitchen and Living
  • Formal Dining Room
  • Loft
  • Storage Room

Kitchen

  • Breakfast Area or Nook
  • Breakfast Bar
  • Built-In Electric Oven
  • Self-Cleaning Oven
  • Gas Cooktop
  • Range Hood
  • Microwave
  • Built-In Refrigerator
  • Plumbed For Ice Maker
  • Dishwasher
  • Kitchen Island
  • Granite Countertops
  • Compactor
  • Disposal

Flooring

  • Engineered Wood
  • Carpet

Bedrooms and Bathrooms

  • 3 Bedrooms
  • Primary Bedroom on Main
  • Separate Bedroom Exit
  • Walk-In Closet
  • Primary Bathroom is a Full Bathroom
  • Jack-and-Jill Bathroom
  • Split Bathroom
  • Tile Bathroom Countertop
  • Secondary Bathroom Double Sinks
  • Low Flow Toliet
  • Soaking Tub
  • Bathtub with Shower
  • Multiple Shower Heads
  • Separate Shower
  • Low Flow Shower
  • Window or Skylight in Bathroom

Laundry

  • Laundry Room
  • Laundry on main level
  • Dryer
  • Washer
  • Sink Near Laundry
  • Laundry Cabinets
  • 220 Volts In Laundry

Home Security

  • Security System Owned
  • Carbon Monoxide Detectors
  • Fire and Smoke Detector

Eco-Friendly Details

  • Energy-Efficient Appliances
  • Energy-Efficient Windows with Low Emissivity
  • Energy-Efficient Construction
  • Energy-Efficient Insulation
  • Energy-Efficient Doors
  • Energy-Efficient Thermostat

Outdoor Features

  • Spa
  • Patio
  • Fire Pit
  • Shed
  • Front Porch

Horse Facilities and Amenities

  • Horses Allowed On Property

Utilities

  • Forced Air Zoned Heating and Cooling System
  • Refrigerated and Evaporative Cooling System
  • Cooling System Powered By Renewable Energy
  • Heating system powered by renewable energy
  • Dual Heating Fuel
  • Heating System Uses Propane
  • Underground Utilities
  • 220 Volts in Kitchen
  • Gas Tank Leased
  • Water Filtration System
  • Well
  • Gas Water Heater
  • High Speed Internet
  • Multiple Phone Lines
  • Cable TV Available

Community Details

  • No Home Owners Association
  • Net Lease

Listing and Financial Details

  • Assessor Parcel Number 002-270-004-1

Home Details

Home Type

Single Family

Year Built

Built in 2002 | Remodeled

Lot Details

5.2 Acres

Parking

2

Listing Details

  • Property Type: Residential
  • Subtype Description: Custom, Ranchette/Country, Detached, Luxury
  • Property Subtype 1: Single Family Residence
  • Remodeled Updated: Yes
  • Year Built: 2002
  • Architectural Style: Ranch, Traditional
  • Levels: Two
  • Remodeled/Updated Desc: Other-Rmks 0-5YR
  • Special Features: None
  • Property Sub Type: Detached
  • Stories: 0

Interior Features

  • Appliances: Built-In Electric Oven, Gas Cook Top, Gas Water Heater, Built-In Refrigerator, Hood Over Range, Compactor, Dishwasher, Insulated Water Heater, Disposal, Microwave, Plumbed For Ice Maker, Dual Fuel, Self/Cont Clean Oven
  • Interior Amenities: Cathedral Ceiling, Formal Entry, Storage Area(s)
  • Other Equipment: Audio/Video Prewired, MultiPhone Lines, Water Cond Equipment Owned, Water Filter System
  • Fireplace Features: Family Room, Gas Log
  • Fireplaces: 1
  • Flooring: Carpet, Simulated Wood
  • Master Bathroom Features: Closet, Shower Stall(s), Double Sinks, Soaking Tub, Tile, Multiple Shower Heads, Walk-In Closet, Window
  • Master Bedroom Features: Closet, Walk-In Closet, Outside Access
  • Total Bathrooms: 3
  • Bathroom Features: Double Sinks, Split Bath, Jack & Jill, Low-Flow Shower(s), Low-Flow Toilet(s), Tub w/Shower Over, Window, Multiple Shower Heads
  • Dining Room Features: Breakfast Nook, Formal Room, Dining Bar, Space in Kitchen
  • Family Room Features: Cathedral/Vaulted, Great Room, View
  • Kitchen Features: Breakfast Area, Pantry Cabinet, Granite Counter, Slab Counter, Island, Stone Counter, Kitchen/Family Combo
  • Living Room Features: Cathedral/Vaulted
  • Room Type: Loft, Master Bathroom, Baths Other, Master Bedroom, Dining Room, Family Room, Storage, Kitchen, Laundry, Living Room
  • Main Level: Bedroom(s), Living Room, Dining Room, Family Room, Master Bedroom, Full Bath(s), Partial Bath(s), Kitchen
  • Price Per Square Foot: 452.42
  • Square Footage: 3426.00
  • Window Features: Caulked/Sealed, Dual Pane Full, Low E Glass Full, Window Coverings, Window Screens

Exterior Features

  • Other Structures: Shed(s), Kennel/Dog Run, Other
  • Construction Materials: Ceiling Insulation, Stucco, Frame, Wall Insulation
  • Disclosures/Documents: Roof Inspection, CC&Rs, Structural Pest Control Report, TDS Available, Home Inspection Report, Natural Hazard Disclosure Available, Pest Certification Available, Pest Control Report Available, Preliminary Title Report
  • Exterior Features: Fire Pit
  • Fencing: Back Yard, Vinyl, Fenced, Wood
  • Foundation: Slab
  • Home Warranty: No
  • Horse Property: Yes
  • Listing Price: 1650000.00
  • Lot Features: Auto Sprinkler Front, Manual Sprinkler Rear, Auto Sprinkler Rear, Cul-De-Sac, Private, Dead End, Shape Regular, Landscape Back, Landscape Front, Landscape Misc
  • New Construction: No
  • Patio And Porch Features: Front Porch, Back Porch, Uncovered Patio
  • Pool: No
  • Property Condition: Updated/Remodeled, Original
  • Road Surface Type: Asphalt, Paved
  • Roof: Composition
  • Spa Features: Spa/Hot Tub Personal
  • Spa: Yes
  • Topography: Level,Trees Few,Level,Trees Few
  • View Description: Panoramic, Pasture, Hills

Garage/Parking

  • Garage Spaces: 2.00
  • Parking Features: Attached, RV Access, RV Possible, Side-by-Side, Garage Door Opener, Uncovered Parking Spaces 2+, Garage Facing Side, Interior Access
  • Driveway/Sidewalks: Gravel

Utilities

  • Security: Carbon Mon Detector, Security System Owned, Smoke Detector
  • Sewer: In & Connected, Public Sewer
  • Utilities: Cable Available, Cable Connected, Propane Tank Leased, Public, Electric, Underground Utilities, Internet Available
  • Cooling: Ceiling Fan(s), Central, MultiUnits, MultiZone
  • Electric: 220 Volts in Kitchen, 220 Volts in Laundry
  • Heating: Propane, Central, Fireplace(s), MultiUnits, MultiZone
  • Laundry Features: Cabinets, Dryer Included, Sink, Ground Floor, Washer Included, Inside Room
  • Water Source: Well

Condo/Co-op/Association

  • Association: No
  • Pets Allowed: Yes
  • Senior Community: No

Fee Information

  • Land Lease: No

Schools

  • Senior High School District: Liberty Union High

Lot Info

  • Horse Amenities: Fenced, None
  • Zoning: RUR HMST
  • Irrigation: Shares Domestic Well, None, See Remarks
  • Lot Size Acres: 5.2000
  • Lot Size Sq Ft: 226512.00

Green Features

  • Energy Efficient: Appliances, Insulation, Construction, Cooling, Doors, Thermostat, Heating, Windows

Rental Info

  • Lease Type: Net

Multi Family

Tax Info

  • Assessor Parcel Number: 002-270-004-1
  • Bonds/Assessments/Taxes: Unknown

MLS Schools

  • School District (County): Contra Costa

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
Mar 20, 2025
Closed on
Jun 18, 2025
Sold by
Bought by
Seller's Agent
Debbie Monceaux
Klemm Real Estate
Buyer's Agent
Moe Yousofi
Redfin
List Price
$1,650,000
Sold Price
$1,550,000
Premium/Discount to List
-$100,000
-6.06%
Views
69
Current Estimated Value
$1,638,715

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$88,715
Avg. Annual Appreciation
5.97%
Original Mortgage
$1,240,000
Outstanding Balance
$1,234,911
Interest Rate
5.88%
Mortgage Type
New Conventional
Estimated Equity
$403,804

Purchase Details

Listed on
Jan 28, 2020
Closed on
Nov 10, 2020
Sold by
Bought by
Seller's Agent
Emilio Leypon
E3 Realty & Loans
List Price
$1,599,000
Sold Price
$1,429,000
Premium/Discount to List
-$170,000
-10.63%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
1.77%
Original Mortgage
$429,000
Interest Rate
2.37%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jul 21, 2000
Sold by
Bought by

Purchase Details

Closed on
Dec 17, 1999
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
$120,000
Interest Rate
7.69%
Mortgage Type
Seller Take Back
Source: Public Records

Range of Values:

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

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
$1,550,000 Old Republic Title
$1,429,000 Old Republic Title Company
$165,000 North American Title Co
$170,000 North American 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 $1,240,000
Previous Owner $429,000
Previous Owner $120,000
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 Prior Sale
07/07/2025 07/07/25 Sold $1,550,000 -6.1% $452 / Sq Ft
05/30/2025 05/30/25 Pending -- -- --
03/20/2025 03/20/25 For Sale $1,650,000 +15.5% $482 / Sq Ft
11/16/2020 11/16/20 Sold $1,429,000 -10.6% $401 / Sq Ft View Prior Sale
09/29/2020 09/29/20 Pending -- -- --
01/28/2020 01/28/20 For Sale $1,599,000 -- $449 / Sq Ft
Source: MetroList

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 $18,566 $1,546,793 $989,341 $557,452
2024 $16,698 $1,516,465 $969,943 $546,522
2023 $16,698 $1,486,731 $950,925 $535,806
2022 $17,472 $1,457,580 $932,280 $525,300
2021 $17,059 $1,429,000 $914,000 $515,000
2019 $8,480 $634,446 $235,860 $398,586
2018 $8,215 $622,007 $231,236 $390,771
2017 $8,104 $609,811 $226,702 $383,109
2016 $7,825 $597,855 $222,257 $375,598
2015 -- $588,876 $218,919 $369,957
2014 $7,676 $577,342 $214,631 $362,711
Source: Public Records

Agents Affiliated with this Home

  • Debbie Monceaux

    Seller's Agent in 2025

    Debbie Monceaux

    Klemm Real Estate

    (209) 815-6785

    1 in this area

    65 Total Sales

    Debbie Monceaux
    Section Image

  • M

    Buyer's Agent in 2025

    Moe Yousofi

    Redfin

    (925) 997-7338

    3 in this area

    147 Total Sales

    Moe Yousofi
    Section Image
  • Emilio Leypon

    Seller's Agent in 2020

    Emilio Leypon

    E3 Realty & Loans

    (925) 494-4136

    70 Total Sales

    Emilio Leypon
    Section Image
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Map

Source: MetroList

MLS Number: 225021509

MetroList

APN: 002-270-004-1

California Contra Costa County Byron 94514 East Contra Costa

3955 Rancho Diablo Rd, Byron, CA

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