NOT LISTED FOR SALE

2140 Dover Ct Walnut Creek, CA 94598

Northgate Neighborhood

Estimated Value: $1,787,051

4 Beds
2.5 Baths
2,921 Sq Ft
$612/Sq Ft Est. Value

Sale Details

Date Sold: June 19, 2020

Last sale price $1,410,000 $483 Per Sq Ft

Est. 27% increase in value since last sale

Current estimated payment $11,008 / mo

Highlights

  • Updated Kitchen
  • Living Room with Fireplace
  • No HOA
  • Walnut Acres Elementary School Rated A-
  • Stone Countertops
  • Breakfast Area or Nook

About This Home

As of June 2020

Stunning updated single story home on quiet court in Northgate neighborhood close to 12 years of award winning Northgate schools biking/walking trails, shopping and restaurants, BART & freeway access. Gracious living room w/2 way gas burning fireplace & formal DR w/glass door leading to the kitchen. Open floor plan w/updated gourmet kitchen featuring 5 burner Wolf gas range, counter depth refrigerator, built-in oven plus convection oven/microwave, granite counters, pantry, breakfast bar & sunny breakfast nook. Spacious FR just off kitchen w/ built- in entertainment center & bookcases & door leading to back yard. Cozy den off kitchen w/ 2 way gas burning fireplace & doors that lead to private back yard. Inviting backyard w/patio & pergola & fruit trees. Expanded master BR suite w/sitting area, walk-in closet & elegant updated master bath. Other features include gorgeous remodeled baths, hardwood floors, recessed lighting, plantation shutters, crown molding, interior laundry & solar.

Last Agent to Sell the Property

Melanie Kozak

Compass License #00766979 Listed on: 06/19/2020

Compass

Co-Listed By

Ray Kozak

Ray Kozak, Broker License #01410748

Last Buyer's Agent

Julie Long

Coldwell Banker License #01399634

Coldwell Banker

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
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 1966

Lot Details

  • 10,450 Sq Ft Lot
  • Level Lot

Parking

  • 2 Car Direct Access Garage
  • Garage Door Opener

Home Design

  • Composition Shingle Roof
  • Wood Siding
  • Stucco

Interior Spaces

  • 1-Story Property
  • Living Room with Fireplace
  • 2 Fireplaces
  • Den with Fireplace
  • Washer and Dryer Hookup

Kitchen

  • Updated Kitchen
  • Breakfast Area or Nook
  • Eat-In Kitchen
  • Breakfast Bar
  • Built-In Self-Cleaning Oven
  • Built-In Range
  • Microwave
  • Plumbed For Ice Maker
  • Dishwasher
  • Stone Countertops
  • Disposal

Flooring

  • Carpet
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms

Utilities

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

Community Details

  • No Home Owners Association
  • Northgate Subdivision

Home Details

Home Type

Single Family

Year Built

Built in 1966

Lot Details

10,450 Sq Ft Lot

Parking

2

Listing Details

  • Stories: 1
  • Year Built: 1966
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Co List Office Mls Id: CCCOMMPS03
  • Subdivision Name: Northgate
  • Directions: Walnut to Blackstone to Dover Dr to Dover Ct
  • Architectural Style: Ranch
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • Special Features: None

Interior Features

  • Flooring: Tile, Carpet
  • Appliances: Dishwasher, Gas Range, Plumbed For Ice Maker, Microwave, Oven, Range, Refrigerator, Self Cleaning Oven
  • Full Bathrooms: 2
  • Total Bedrooms: 4
  • Fireplace Features: Den, Living Room
  • Fireplaces: 2
  • Fireplace: Yes
  • Window Features: Window Coverings
  • Room Kitchen Features: 220 Volt Outlet, Breakfast Bar, Breakfast Nook, Counter - Solid Surface, Counter - Stone, Dishwasher, Eat In Kitchen, Garbage Disposal, Gas Range/Cooktop, Ice Maker Hookup, Microwave, Oven Built-in, Pantry, Range/Oven Built-in, Refrigerator, Self-Cleaning Oven, Updated Kitchen

Exterior Features

  • Roof: Composition Shingles
  • Lot Features: Court, Level
  • Pool Features: None
  • Pool Private: No
  • Construction Type: Stucco, Wood Siding
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 2
  • Parking Features: Int Access From Garage, Side Yard Access, Garage Door Opener

Utilities

  • Heating: Forced Air
  • Laundry Features: Hookups Only
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: Other Solar, 220 Volts in Kitchen

Condo/Co-op/Association

  • Association: No

Schools

  • Senior High School District: Mount Diablo (925) 682-8000

Lot Info

  • Lot Size Sq Ft: 10450

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
Aug 4, 2021
Sold by
Mammini Robert G and Mammini Mary L
Bought by
Current Estimated Value
$1,787,051

Purchase Details

Listed on
Jun 19, 2020
Closed on
Jun 17, 2020
Sold by
Geyer Gregory S and Geyer Susan C
Bought by
Mammini Robert G and Mammini Mary L
Seller's Agent
Melanie Kozak
Compass
Buyer's Agent
Julie Long
Coldwell Banker
List Price
$1,399,000
Sold Price
$1,410,000
Premium/Discount to List
$11,000
0.79%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
3.86%
Original Mortgage
$500,000
Interest Rate
3.2%
Mortgage Type
New Conventional

Purchase Details

Closed on
Dec 24, 2002
Sold by
Geyer Gregory S and Geyer Susan C
Bought by
Geyer Gregory S and Geyer Susan C

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$300,700
Interest Rate
5.96%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Aug 18, 2000
Sold by
Geyer Gregory S and Geyer Susan C
Bought by
Geyer Gregory S and Geyer Susan C

Purchase Details

Closed on
Oct 17, 1994
Sold by
Koloski Frederick L and Koloski Ruth A
Bought by
Geyer Gregory S and Geyer Susan C
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in Northgate, CA

  • Keith Walker Real Estate Agent - Intero Real Estate Services

    Keith Walker

    Responds Quickly

    Intero Real Estate Services

    (669) 230-1607

    146 Total Sales

    1 in Northgate

    $1,816,000 Price

    Keith Walker
     Section Image
  • Chuck Barberini Real Estate Agent - Century21 Masters

    Chuck Barberini

    Century21 Masters

    (925) 396-7308

    45 Total Sales

    1 in Northgate

    $1,515,000 Price

    Chuck Barberini
     Section Image
  • Rachael Hand Real Estate Agent - Hand Real Estate

    Rachael Hand

    Hand Real Estate

    (925) 940-8937

    39 Total Sales

    1 in Northgate

    $3,000,000 Price

    Rachael Hand
     Section Image
  • Wendy Moore Real Estate Agent - Christie's Intl Re Sereno

    Wendy Moore

    Christie's Intl Re Sereno

    (925) 396-5212

    154 Total Sales

    3 in Northgate

    $1.3M - $1.5M Price Range

    Wendy Moore
     Section Image
  • Kari Wahl Real Estate Agent - Exp Realty Of California, Inc

    Kari Wahl

    Exp Realty Of California, Inc

    (925) 396-5824

    75 Total Sales

    1 in Northgate

    $1,675,000 Price

    Kari Wahl
     Section Image
  • Matt Rubenstein Real Estate Agent - Compass

    Matt Rubenstein

    Compass

    (707) 749-5424

    75 Total Sales

    1 in Northgate

    $2,050,000 Price

    Matt Rubenstein
     Section Image
See All Agents

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
-- None Available
Mammini Robert G $1,410,000 Fidelity National Title Co
Geyer Gregory S -- First American Title
Geyer Gregory S -- --
Geyer Gregory S $340,000 Placer Title Company
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 $496,000
Closed Mammini Robert G $500,000
Previous Owner Geyer Gregory S $100,000
Previous Owner Geyer Gregory S $300,000
Previous Owner Geyer Gregory S $275,000
Previous Owner Geyer Gregory S $272,000
Previous Owner Geyer Gregory S $100,000
Previous Owner Geyer Gregory S $300,700
Previous Owner Geyer Gregory S $222,500
Previous Owner Geyer Gregory S $48,500
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
06/16/2025 06/16/25 Off Market $1,410,000 -- --
02/04/2025 02/04/25 Off Market $1,410,000 -- --
06/19/2020 06/19/20 Sold $1,410,000 +0.8% $483 / Sq Ft
06/19/2020 06/19/20 For Sale $1,399,000 -- $479 / 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 $11,038 $951,935 $351,845 $600,090
2025 $11,038 $933,271 $344,947 $588,324
2024 $10,779 $914,973 $338,184 $576,789
2023 $17,078 $1,482,160 $893,501 $588,659
2022 $16,995 $1,453,099 $875,982 $577,117
2021 $16,626 $1,424,607 $858,806 $565,801
2019 $7,451 $600,454 $271,028 $329,426
2018 $7,180 $588,681 $265,714 $322,967
2017 $6,949 $577,139 $260,504 $316,635
2016 $6,778 $565,824 $255,397 $310,427
2015 $6,624 $548,326 $251,561 $296,765
2014 $6,289 $516,017 $246,634 $269,383
Source: Public Records

Agents Affiliated with this Home

  • Melanie Kozak Real Estate Agent - Compass

    Seller's Agent in 2020

    Melanie Kozak

    Compass

    (925) 457-0073

    1 in this area

    36 Total Sales

    Melanie Kozak
    Section Image

  • RK

    Seller Co-Listing Agent in 2020

    Ray Kozak

    Ray Kozak, Broker

    Section Image
  • Julie Long Real Estate Agent - Coldwell Banker

    Buyer's Agent in 2020

    Julie Long

    Coldwell Banker

    (925) 683-9799

    105 Total Sales

    Julie Long
    Section Image
See All Agents

Map

Source: Contra Costa Association of REALTORS®

MLS Number: 40909252

Contra Costa Association of REALTORS®

APN: 142-255-013-5

California Contra Costa County Walnut Creek 94598 Northgate

2140 Dover Ct, Walnut Creek, CA

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.

Contra Costa Association of REALTORS® 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
Your Personal Tour Guide

Ask me questions while you tour the home.