OFF MARKET

Off market aug 2021 for $2.1M

$2,315,592

Est. refi paymentEst. refi $9,528/mo

•

4 ba

•

3,381

sq ft

421 Summit Rd, Walnut Creek, CA 94598

About this home

421 Summit Rd is a 3,381 square foot house on a 0.46 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on August 24, 2021 for $2,150,000. Based on Redfin's Walnut Creek data, we estimate the home's value is $2,315,592.

Single-familyProperty Type

1996Year Built

0.46 acresLot Size

$685Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$2,315,592

$166K since sold in August 2021$44K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.9% lower than the average sale price ($2.36M) of 6 comparable homes.

SOLD SEP 14, 2026
$2,498,000
A
4 beds3 baths3,270 sq ft
55 Mcconnell Ln, Walnut Creek, CA 94596
SOLD FEB 24, 2026
$2,600,000
B
5 beds4 baths4,225 sq ft
226A Nob Hill Dr, Walnut Creek, CA 94596
SOLD SEP 21, 2026
$2,300,000
C
5 beds4 baths3,105 sq ft
1718 Rockspring Pl, Walnut Creek, CA 94596
SOLD MAY 4, 2026
$2,400,000
D
4 beds3.5 baths3,357 sq ft
765 Palmer, Walnut Creek, CA 94596
SOLD BY REDFIN SEP 3, 2026
$1,895,000
E
4 beds3 baths2,725 sq ft
1080 Melissa Ct, Walnut Creek, CA 94598
SOLD APR 17, 2026
$2,475,000
F
4 beds2.5 baths3,416 sq ft
3171 Walnut Blvd, Walnut Creek, CA 94596

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Earn from this home

Sell

$647,023

Est. take-home

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Refinance

Est. cash available

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Rent

$7,275/mo

Redfin rental estimate

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Market trends in 94598, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

102.0%

+0.1% MoM

Median sale price

$1.4M

$38K MoM

Avg. days on market

17d

1 days MoM

Recently sold homes

9 MoM

New listings for sale

COMING SOON
$1,399,000
4 beds2.5 baths1,938 sq ft
2975 San Carlos, Walnut Creek, CA 94598
OPEN THU, 10AM TO 1PM
$1,275,000
4 beds2.5 baths2,173 sq ft
1239 Claiborne Dr, Walnut Creek, CA 94598
NEW 8 HRS AGO
$1,449,888
4 beds2 baths1,890 sq ft
3002 Deerpark Dr, Walnut Creek, CA 94598
NEW 26 HRS AGO
$829,000
4 beds2.5 baths1,812 sq ft
1592 Candelero Dr, Walnut Creek, CA 94598
3D WALKTHROUGH
$1,699,888
4 beds3 baths2,597 sq ft
21 Russell Ct, Walnut Creek, CA 94598
$1,649,000
6 beds3.5 baths2,806 sq ft
2231 Loch Ln, Walnut Creek, CA 94598
$2,350,000
5 beds2.5 baths2,870 sq ft
2544 Corte Del Marques, Walnut Creek, CA 94598
HOT HOME
$1,740,000
5 beds3.5 baths4,478 sq ft
165 Brodia Way, Walnut Creek, CA 94598
HOT HOME
$995,000
4 beds2.5 baths2,376 sq ft
3055 Arbolado Dr, Walnut Creek, CA 94598
$1,575,000
4 beds2.5 baths2,369 sq ft
3075 Diablo Shadow Dr, Walnut Creek, CA 94598
See all

Provided by Redfin

Redfin agents who toured

Gorgeous home! Must see!
5 years ago• May not reflect the current state of the home
Jordan Selby
Redfin Premier agent

Sale history for 421 Summit Rd

Date

Event

Price

Public Records

Aug 24, 2021

Sold

$2,150,000

$636/sq ft

Public Records

Apr 2, 2021

Sold

$2,150,000

$636/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40912990

Oct 26, 2020

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #11052174

Aug 14, 2020

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #40085761

Jul 15, 2005

Listing Removed

—

Public Records

Sep 15, 2000

Sold

$650,000

$192/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #11058771

Jul 20, 2000

Listing Removed

—

Year

Property tax

Land + Additions

Assessment*

2026

$25,127 (+2.3%)

$1,219,536 + $965,464

$2,185,000

2025

$24,566 (+8.3%)

$1,219,536 + $965,464

$2,185,000

2024

$22,676 (+3.1%)

$1,196,093 + $946,907

$2,143,000

2023

$21,988 (−10.5%)

$1,093,395 + $865,605

$1,959,000

2022

$24,555 (+108.6%)

$1,064,000 + $843,000

$1,907,000

2021

$11,770 (+1.0%)

$1,200,000 + $950,000

$2,150,000

2020

$11,659 (+1.1%)

$568,822 + $414,316

$983,138

2019

$11,532 (+3.5%)

$562,990 + $410,068

$973,058

2018

$11,143 (+1.9%)

$551,951 + $402,028

$953,979

2017

$10,941 (+1.9%)

$530,519 + $386,418

$916,937

2016

$10,738 (+2.3%)

$530,519 + $386,418

$916,937

2015

$10,496 (+15.1%)

$520,117 + $378,842

$898,959

2014

$9,122 (−3.6%)

$502,270 + $251,135

$753,405

2013

$9,464 (+2.9%)

$502,270 + $251,135

$753,405

2012

$9,196 (+12.0%)

$500,000 + $293,000

$793,000

2011

$8,213 (−8.1%)

$311,910 + $467,867

$779,777

2010

$8,936 (+1.1%)

$274,599 + $411,901

$686,500

2009

$8,839 (+1.4%)

$303,510 + $455,266

$758,776

2008

$8,720

$304,232 + $456,348

$760,580

Tax history for 421 Summit Rd

Year

Property tax

Land + Additions

Assessment*

2026

$25,127 (+2.3%)

$1,219,536 + $965,464

$2,185,000

2025

$24,566 (+8.3%)

$1,219,536 + $965,464

$2,185,000

2024

$22,676 (+3.1%)

$1,196,093 + $946,907

$2,143,000

2023

$21,988 (−10.5%)

$1,093,395 + $865,605

$1,959,000

2022

$24,555 (+108.6%)

$1,064,000 + $843,000

$1,907,000

2021

$11,770 (+1.0%)

$1,200,000 + $950,000

$2,150,000

2020

$11,659 (+1.1%)

$568,822 + $414,316

$983,138

2019

$11,532 (+3.5%)

$562,990 + $410,068

$973,058

2018

$11,143 (+1.9%)

$551,951 + $402,028

$953,979

2017

$10,941 (+1.9%)

$530,519 + $386,418

$916,937

2016

$10,738 (+2.3%)

$530,519 + $386,418

$916,937

2015

$10,496 (+15.1%)

$520,117 + $378,842

$898,959

2014

$9,122 (−3.6%)

$502,270 + $251,135

$753,405

2013

$9,464 (+2.9%)

$502,270 + $251,135

$753,405

2012

$9,196 (+12.0%)

$500,000 + $293,000

$793,000

2011

$8,213 (−8.1%)

$311,910 + $467,867

$779,777

2010

$8,936 (+1.1%)

$274,599 + $411,901

$686,500

2009

$8,839 (+1.4%)

$303,510 + $455,266

$758,776

2008

$8,720

$304,232 + $456,348

$760,580

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

R20

Single-Family Residential District

The purpose of the Single-Family Residential Zoning District is to provide for single-family residential development that is consistent with the General Plan. The intent is to promote and encourage a suitable environment for family life. This would include those conditionally permitted uses that are generally an integral part of single-family residential neighborhoods and that are compatible with residential activities including parks, playgrounds, religious assembly, day care, and schools.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Infrastructure

May 2, 2025 • Final

Building new construction, additions, alterations or sign

Repair an existing deck.

Remodel

Sep 27, 2016 • Final

Solar system - commercial

Install a rooftop solar photovoltaic system on a residential building.

Electrical

Solar

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Room Information
# of Rooms: 10

Exterior

Property Information
Living Sq. Ft: 3,381
Ground Floor Sq. Ft: 2,329
Building Sq. Ft: 3,381
# of Stories: 1
Legal Description: PCL MAP 107 PG 38 PCL B

Parking & Garage Information
Garage/Parking Sq. Ft: 688

Lot Information
# of Buildings: 1
Land Sq. Ft: 19,980
Legal Lot Number: B
Acres: 0.4587
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 3,381
Stories: 1.0
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 1996
Year Renovated: 2005
County: Contra Costa County
APN: 1791820184

Home facts updated by county records on Oct 30, 2026

Around this home

Schools

K - 12
Preschool & daycare

Indian Valley Elementary School

Public K-5 • Assigned • 0.6mi

10/10

Walnut Creek Intermediate School

Public 6-8 • Assigned • 1.0mi

9/10

Las Lomas High School

Public 9-12 • Assigned • 1.0mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

1% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 96° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

17 unhealthy days expected this year, 17 days in 30 years

Provided by First Street

Historical weather

Walnut Creek, CA • 94598

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.5 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.5 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.20M – $2.66M

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Nearby similar homes

$1,649,000

6 beds3.5 baths2,806 sq ft

2231 Loch Ln, Walnut Creek, CA 94598

Indoor laundry room • Eat-in kitchen • Wood cabinetry

3D WALKTHROUGH

$2,250,000

5 beds3.5 baths3,337 sq ft

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Ponderosa built home • Cul-de-sac location • Remodeled kitchen

NEW CONSTRUCTION

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Soaring ceilings • Real hardwood floors • Updated kitchen

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Renovated residence • Expansive lot • Potential adu

3D WALKTHROUGH

$1,699,888

4 beds3 baths2,597 sq ft

21 Russell Ct, Walnut Creek, CA 94598

Two primary suites • Private sauna • Landscaped yard

New listings for sale in 94598

COMING SOON

$1,399,000

4 beds2.5 baths1,938 sq ft

2975 San Carlos, Walnut Creek, CA 94598

Large lot • New windows • New front door

OPEN THU, 10AM TO 1PM3D WALKTHROUGH

$1,275,000

4 beds2.5 baths2,173 sq ft

1239 Claiborne Dr, Walnut Creek, CA 94598

Private pool • Generous cabinetry • Large island

NEW 8 HRS AGO

$1,449,888

4 beds2 baths1,890 sq ft

3002 Deerpark Dr, Walnut Creek, CA 94598

Corner lot • Updated bathrooms • Remodeled kitchen

NEW 26 HRS AGO

$829,000

4 beds2.5 baths1,812 sq ft

1592 Candelero Dr, Walnut Creek, CA 94598

Remodeled kitchen • Flex space • Primary suite

3D WALKTHROUGH

$1,699,888

4 beds3 baths2,597 sq ft

21 Russell Ct, Walnut Creek, CA 94598

Two primary suites • Private sauna • Landscaped yard

$1,649,000

6 beds3.5 baths2,806 sq ft

2231 Loch Ln, Walnut Creek, CA 94598

Indoor laundry room • Eat-in kitchen • Wood cabinetry

$2,350,000

5 beds2.5 baths2,870 sq ft

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Secret garden • Pool • Hot tub

HOT HOME

$1,740,000

5 beds3.5 baths4,478 sq ft

165 Brodia Way, Walnut Creek, CA 94598

Soaring foyer • Vaulted family room • Walk-in pantry

HOT HOME

$995,000

4 beds2.5 baths2,376 sq ft

3055 Arbolado Dr, Walnut Creek, CA 94598

Tailored buildout • Complete remodel • Ideal layout

Home values near 421 Summit Rd

Data from public records.

Address	Redfin Estimate
395 Summit Road, Walnut Creek, CA 3 Beds \| 2 Baths \| 2266 Sq. Ft.	$1,721,322
418 Summit Road, Walnut Creek, CA 3 Beds \| 3 Baths \| 2592 Sq. Ft.	$2,063,613
415 Summit Road, Walnut Creek, CA 4 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,986,977
100 La Bolsa Road, Walnut Creek, CA 5 Beds \| 4 Baths \| 3804 Sq. Ft.	$2,883,042
10 La Mesa Lane, Walnut Creek, CA 4 Beds \| 3.5 Baths \| 3500 Sq. Ft.	$1,963,155
562 Lakewood Circle, Walnut Creek, CA 6 Beds \| 4 Baths \| 2320 Sq. Ft.	$2,090,851
41 La Mesa Lane, Walnut Creek, CA 3 Beds \| 3 Baths \| 2861 Sq. Ft.	$2,028,630

Address	Redfin Estimate
425 Summit Road, Walnut Creek, CA 4 Beds \| 3 Baths \| 2383 Sq. Ft.	$1,690,141
445 Summit Road, Walnut Creek, CA 3 Beds \| 2 Baths \| 1340 Sq. Ft.	$1,218,727
440 Summit Road, Walnut Creek, CA 4 Beds \| 2 Baths \| 1515 Sq. Ft.	$1,447,182
31 La Mesa Lane, Walnut Creek, CA 4 Beds \| 2 Baths \| 1627 Sq. Ft.	$1,393,149
570 Lakewood Circle, Walnut Creek, CA 3 Beds \| 2 Baths \| 1957 Sq. Ft.	$1,457,359
111 La Bolsa Road, Walnut Creek, CA 4 Beds \| 3 Baths \| 2746 Sq. Ft.	$2,267,325
101 La Bolsa Road, Walnut Creek, CA 4 Beds \| 4 Baths \| 2931 Sq. Ft.	$2,209,979

Address	Redfin Estimate
435 Summit Road, Walnut Creek, CA 5 Beds \| 3 Baths \| 1938 Sq. Ft.	$1,534,287
430 Summit Road, Walnut Creek, CA 3 Beds \| 3 Baths \| 1781 Sq. Ft.	$1,785,756
91 La Bolsa Road, Walnut Creek, CA 3 Beds \| 2 Baths \| 1861 Sq. Ft.	$1,600,385
11 La Mesa Lane, Walnut Creek, CA 4 Beds \| 2 Baths \| 2071 Sq. Ft.	$1,545,938
5 La Mesa Lane, Walnut Creek, CA 4 Beds \| 2 Baths \| 1763 Sq. Ft.	$1,566,705
558 Lakewood Circle, Walnut Creek, CA 3 Beds \| 2.5 Baths \| 1839 Sq. Ft.	$1,829,358
20 La Mesa Lane, Walnut Creek, CA 4 Beds \| 3 Baths \| 2042 Sq. Ft.	$1,479,533

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94598, CA

Redfin agents who toured

Sale history for 421 Summit Rd

Tax history for 421 Summit Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94598

Home values near 421 Summit Rd

More real estate resources