Google street view image for 21351 Spring St, Walnut, CA 91789

Off market dec 1987 for $180K

$1,278,773

Est. refi paymentEst. refi $900/mo

•

3 ba

•

2,118

sq ft

21351 Spring St, Walnut, CA 91789

About this home

21351 Spring St is a 2,118 square foot house on a 0.5 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on December 24, 1987 for $180,000. Based on Redfin's Walnut data, we estimate the home's value is $1,278,773.

Single-familyProperty Type

1987Year Built

0.5 acresLot Size

$604Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,278,773

$1.1M since sold in December 1987$15K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.3% lower than the average sale price ($1.46M) of 6 comparable homes.

SOLD SEP 10, 2026
$1,285,000
A
3 beds3 baths1,811 sq ft
21111 Valleyview Dr, Walnut, CA 91789
SOLD JUN 12, 2026
$1,638,000
B
4 beds3 baths2,273 sq ft
683 Silver Valley Trl, Walnut, CA 91789
Universal Elite Inc.
SOLD OCT 19, 2026
$1,400,000
C
4 beds3 baths2,479 sq ft
357 Windemere, Walnut, CA 91789
SOLD FEB 27, 2026
$1,735,000
D
4 beds3 baths2,355 sq ft
708 Silver Valley Trl, Walnut, CA 91789
SOLD SEP 25, 2026
$1,370,000
E
4 beds3 baths2,074 sq ft
20157 Stanford Ct, Walnut, CA 91789
SOLD AUG 4, 2026
$1,316,500
F
3 beds3 baths2,067 sq ft
20311 E Yale Ave, Walnut, CA 91789
Bullock Russell RE Services

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Earn from this home

Sell

$1,208,416

Est. take-home

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Refinance

Est. cash available

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Rent

$4,196/mo

Redfin rental estimate

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Market trends in 91789, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

98.8%

0.5% MoM

Median sale price

$1.3M

$21K MoM

Avg. days on market

41d

9 days MoM

Recently sold homes

3 MoM

New listings for sale

$1,388,888
4 beds3 baths2,668 sq ft
2630 Pointer, Walnut, CA 91789
OPEN SAT, 12PM TO 4PM
$1,550,000
4 beds3 baths1,874 sq ft
322 La Tortola, Walnut, CA 91789
$1,288,000
6 beds3 baths3,000 sq ft
20548 Missionary Rdg, Walnut, CA 91789
$1,450,000
4 beds2 baths2,053 sq ft
20092 Wildcat Canyon Rd, Walnut, CA 91789
Century 21 Masters
$1,488,888
4 beds2 baths2,053 sq ft
20859 E Yellow Feather Cir, Walnut, CA 91789
$1,588,000
4 beds3.5 baths2,473 sq ft
19935 Camino De Rosa, Walnut, CA 91789
$1,758,000
4 beds3 baths2,548 sq ft
838 Streamview, Walnut, CA 91789
$1,899,990
4 beds4 baths2,330 sq ft
22138 Portofino Dr, Walnut, CA 91789
$777,000
3 beds2.5 baths1,846 sq ft
1034 E Romney Dr, Walnut, CA 91789
$1,200,000
4 beds3 baths2,763 sq ft
950 Coronel Ct, Walnut, CA 91789
See all

Provided by Redfin

Sale history for 21351 Spring St

Year

Property tax

Land + Additions

Assessment*

2025

$6,587 (+5.6%)

$140,356 + $322,210

$462,566

2024

$6,237 (+2.2%)

$137,604 + $315,937

$453,541

2023

$6,100 (+1.9%)

$134,906 + $309,743

$444,649

2022

$5,984 (+1.9%)

$132,261 + $303,670

$435,931

2021

$5,875 (+1.1%)

$129,668 + $297,716

$427,384

2020

$5,809 (+1.8%)

$127,126 + $291,879

$419,005

2019

$5,708 (+5.8%)

$125,823 + $288,887

$414,710

2018

$5,394 (+4.2%)

$123,356 + $283,223

$406,579

2017

$5,175 (+3.0%)

$118,567 + $272,226

$390,793

2016

$5,025 (−0.2%)

$118,567 + $272,226

$390,793

2015

$5,034 (−0.6%)

$116,243 + $266,889

$383,132

2014

$5,064 (+1.1%)

$112,255 + $257,732

$369,987

2012

$5,007 (+2.7%)

$111,748 + $256,568

$368,316

2011

$4,874 (+12.7%)

$109,557 + $251,538

$361,095

2010

$4,323 (+11.1%)

$107,409 + $246,606

$354,015

2009

$3,891 (+2.6%)

$106,607 + $201,264

$307,871

2008

$3,792

$106,861 + $165,743

$272,604

Tax history for 21351 Spring St

Year

Property tax

Land + Additions

Assessment*

2025

$6,587 (+5.6%)

$140,356 + $322,210

$462,566

2024

$6,237 (+2.2%)

$137,604 + $315,937

$453,541

2023

$6,100 (+1.9%)

$134,906 + $309,743

$444,649

2022

$5,984 (+1.9%)

$132,261 + $303,670

$435,931

2021

$5,875 (+1.1%)

$129,668 + $297,716

$427,384

2020

$5,809 (+1.8%)

$127,126 + $291,879

$419,005

2019

$5,708 (+5.8%)

$125,823 + $288,887

$414,710

2018

$5,394 (+4.2%)

$123,356 + $283,223

$406,579

2017

$5,175 (+3.0%)

$118,567 + $272,226

$390,793

2016

$5,025 (−0.2%)

$118,567 + $272,226

$390,793

2015

$5,034 (−0.6%)

$116,243 + $266,889

$383,132

2014

$5,064 (+1.1%)

$112,255 + $257,732

$369,987

2012

$5,007 (+2.7%)

$111,748 + $256,568

$368,316

2011

$4,874 (+12.7%)

$109,557 + $251,538

$361,095

2010

$4,323 (+11.1%)

$107,409 + $246,606

$354,015

2009

$3,891 (+2.6%)

$106,607 + $201,264

$307,871

2008

$3,792

$106,861 + $165,743

$272,604

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

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Exterior

Property Information
Subdivision Name: 32958
Living Sq. Ft: 2,118
# of Units: 1
Legal Description: TR=32958 LOT 249

Lot Information
# of Buildings: 1
Land Sq. Ft: 21,824
Legal Lot Number: 249
Municipality Name: WALNUT
Acres: 0.501
Zoning Code: WARPD1230030DU
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,118
Stories: —
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1991
County: Los Angeles County
APN: 8720046001

Home facts updated by county records on Oct 7, 2026

Around this home

Schools

K - 12
Preschool & daycare

Vejar Elementary School

Public K-5 • Assigned • 1.4mi

8/10

Suzanne Middle School

Public 6-8 • Assigned • 0.7mi

10/10

Walnut High School

Public 9-12 • Assigned • 0.7mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Walnut remains a competitive market, with strong demand for well-priced homes even as buyers have more inventory to choose from. If you’re considering a move in Walnut, I’d be happy to provide a personalized market analysis.
1 week ago • Walnut
Sang Ur
Redfin Premier agent
124 deals
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Climate risks

1/10 Flood Factor

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

7/10 Heat Factor

7 days above 99° expected this year, 20 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

6/10 Air Factor

10 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Walnut, CA • 91789

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 9.9 hours in June and 6.8 hours in December, placing it above the U.S. average for solar exposure.

9.9 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.22M – $1.47M

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New listings for sale in 91789

$1,388,888

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OPEN SAT, 12PM TO 4PM

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4 beds3 baths1,874 sq ft

322 La Tortola, Walnut, CA 91789

Custom finishes • Electric fireplace • Chef's kitchen

$1,288,000

6 beds3 baths3,000 sq ft

20548 Missionary Rdg, Walnut, CA 91789

Front and back yard • Golf course view • City light view

$1,450,000

4 beds2 baths2,053 sq ft

20092 Wildcat Canyon Rd, Walnut, CA 91789

Single story • Vaulted ceilings • Open kitchen

Century 21 Masters

$1,488,888

4 beds2 baths2,053 sq ft

20859 E Yellow Feather Cir, Walnut, CA 91789

Peaceful cul de sac • Expansive backyard • 0.49 acre lot

$1,588,000

4 beds3.5 baths2,473 sq ft

19935 Camino De Rosa, Walnut, CA 91789

Nextgen in-law suite • Private courtyard • Outdoor fireplace

$1,758,000

4 beds3 baths2,548 sq ft

838 Streamview, Walnut, CA 91789

Two story home • Expansive flat lot • Huge back yard

$1,899,990

4 beds4 baths2,330 sq ft

22138 Portofino Dr, Walnut, CA 91789

Panoramic views • Designer backsplash • Solar panel system

$777,000

3 beds2.5 baths1,846 sq ft

1034 E Romney Dr, Walnut, CA 91789

Private entrance • Serene courtyard • Main-level den

Home values near 21351 Spring St

Data from public records.

Address	Redfin Estimate
21341 Spring Street, Walnut, CA 3 Beds \| 3 Baths \| 3141 Sq. Ft.	$1,544,515
21332 Spring Street, Walnut, CA 3 Beds \| 2 Baths \| 1458 Sq. Ft.	$964,318
428 Foxboro Drive, Walnut, CA 3 Beds \| 2 Baths \| 1458 Sq. Ft.	$988,543
366 Spur Trail Avenue, Walnut, CA 3 Beds \| 3 Baths \| 1913 Sq. Ft.	$1,074,860
337 Spur Trail Avenue, Walnut, CA 2 Beds \| 2.5 Baths \| 1913 Sq. Ft.	$1,219,508
393 Spur Trail Avenue, Walnut, CA 3 Beds \| 2.5 Baths \| 1913 Sq. Ft.	$1,079,891
356 Spur Trail Avenue, Walnut, CA 3 Beds \| 2 Baths \| 1913 Sq. Ft.	$1,077,870

Address	Redfin Estimate
21344 Spring Street, Walnut, CA 4 Beds \| 4 Baths \| 2214 Sq. Ft.	$1,315,700
411 Foxboro Drive, Walnut, CA 3 Beds \| - Baths \| 1458 Sq. Ft.	$1,047,075
422 Foxboro Drive, Walnut, CA 3 Beds \| 3 Baths \| 1937 Sq. Ft.	$1,167,841
332 Spur Trail Avenue, Walnut, CA 2 Beds \| 2 Baths \| 1673 Sq. Ft.	$1,033,101
345 Spur Trail Avenue, Walnut, CA 3 Beds \| 2 Baths \| 1673 Sq. Ft.	$933,144
21512 Magnolia Street, Walnut, CA 3 Beds \| 3 Baths \| 2212 Sq. Ft.	$1,228,379
365 Spur Trail Avenue, Walnut, CA 3 Beds \| 3 Baths \| 2212 Sq. Ft.	$1,159,297

Address	Redfin Estimate
21338 Spring Street, Walnut, CA 3 Beds \| 3 Baths \| 1937 Sq. Ft.	$1,114,002
419 Foxboro Drive, Walnut, CA 3 Beds \| 2.5 Baths \| 1731 Sq. Ft.	$1,060,940
416 Foxboro Drive, Walnut, CA 3 Beds \| 2 Baths \| 1770 Sq. Ft.	$1,064,215
331 Spur Trail Avenue, Walnut, CA 2 Beds \| - Baths \| - Sq. Ft.	$1,205,742
352 Spur Trail Avenue, Walnut, CA 3 Beds \| 2.5 Baths \| 2212 Sq. Ft.	$1,182,347
360 Spur Trail Avenue, Walnut, CA 3 Beds \| 3 Baths \| 2212 Sq. Ft.	$1,054,865
373 Spur Trail Avenue, Walnut, CA 3 Beds \| 2.5 Baths \| 1913 Sq. Ft.	$988,850

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About this home

Redfin Estimate

Earn from this home

Market trends in 91789, CA

Sale history for 21351 Spring St

Tax history for 21351 Spring St

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91789

Home values near 21351 Spring St

More real estate resources