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21038 Cornerstone Dr, Walnut, CA 91789 - Main View

21038 Cornerstone Dr, Walnut, CA 91789 - Additional View 1

21038 Cornerstone Dr, Walnut, CA 91789 - Additional View 2

21038 Cornerstone Dr, Walnut, CA 91789

List Price: $4,275

On market

May 29, 20251,830 sqft4 beds4 baths

Listed by: Sheng Wang

License #: 01772547

Phone #: 909-612-2148

Century Commercial RE Services

Source:

MLS #: TR25117230

Assignment

Get a detailed valuation report, schedule a tour or make an offer!

Kevin Kretzmer

Role: TurboHome Head Agent

Experience: 10 years

No. of Transactions: 227

“I specialize in helping clients find their dream home or next investment in California, focusing on residential and multi-family properties. My client-first approach, clear communication, and attention to detail ensure that everyone I work with receives exceptional service.”

DRE LICENSE #01997822

California Association of Realtors

TurboHome Fair Market Estimate

TurboHome

TurboHome Savings

$22,701

TurboHome Estimated Value

$1,006,700

$550 sqft

High Valuation

$1,057,035

$578/sqft

Normal Valuation

$1,006,700

$550/sqft

Low Valuation

$956,365

$523/sqft

3rd Party Estimates

Source	$/sqft	Valuation
HouseCanary	$550	$1,006,700

Assignment

Get a detailed valuation report, schedule a tour or make an offer!

Kevin Kretzmer

Role: TurboHome Head Agent

Experience: 10 years

No. of Transactions: 227

“I specialize in helping clients find their dream home or next investment in California, focusing on residential and multi-family properties. My client-first approach, clear communication, and attention to detail ensure that everyone I work with receives exceptional service.”

DRE LICENSE #01997822

California Association of Realtors

Neighborhood

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Comparative Value

$4K

$952K

$1.14M

$1.29M

$1.31M

21038 Cornerstone Dr, Walnut, CA 91789

List Price: $4,275

Subject Property

20968 Cornerstone Dr, Walnut, CA 91789

Sale Price: $952,000

Selected Comparable

20980 Cornerstone Dr, Walnut, CA 91789

Sale Price: $960,000

Selected Comparable

139 Seneca Dr, Walnut, CA 91789

Sale Price: $1,138,800

Selected Comparable

20615 Vejar Rd, Walnut, CA 91789

Sale Price: $1,290,000

Selected Comparable

155 Blue Crystal Dr, Walnut, CA 91789

Sale Price: $1,308,000

Selected Comparable

Neighborhood Comps

Subject Property

SUBJECT

21038 Cornerstone Dr, Walnut, CA 91789

21038 Cornerstone Dr, Walnut, CA 91789

List: $4,275

Listed: 5/29/2025

Area:1,830 sqft

Price/sqft:$2

Beds:4

Baths:4

Year Built:—

Lot Size:17,488

Comparable Properties

COMPARABLE

Choose comps

20980 Cornerstone Dr, Walnut, CA 91789

20980 Cornerstone Dr, Walnut, CA 91789

Sale: $960,000

3/24/2025 • 0.06 mi

Area:1,760 sqft

Price/sqft:$545

Beds:3

Baths:4

Year Built:—

Weight:21.7%

20968 Cornerstone Dr, Walnut, CA 91789

20968 Cornerstone Dr, Walnut, CA 91789

Sale: $952,000

8/30/2024 • 0.07 mi

Area:1,880 sqft

Price/sqft:$506

Beds:3

Baths:4

Year Built:—

Weight:20.2%

155 Blue Crystal Dr, Walnut, CA 91789

155 Blue Crystal Dr, Walnut, CA 91789

Sale: $1,308,000

9/6/2024 • 0.06 mi

Area:2,072 sqft

Price/sqft:$631

Beds:4

Baths:3

Year Built:—

Weight:19.8%

139 Seneca Dr, Walnut, CA 91789

139 Seneca Dr, Walnut, CA 91789

Sale: $1,138,800

4/7/2025 • 0.13 mi

Area:1,811 sqft

Price/sqft:$629

Beds:3

Baths:3

Year Built:—

Weight:19.6%

20615 Vejar Rd, Walnut, CA 91789

20615 Vejar Rd, Walnut, CA 91789

Sale: $1,290,000

2/14/2025 • 0.37 mi

Area:2,246 sqft

Price/sqft:$574

Beds:4

Baths:3

Year Built:—

Weight:18.8%

Subject Property

SUBJECT

Image	Address	List Price	sqft	Price/sqft	Lot Size	Distance	List Date	Beds	Baths	Year Built	Weight
	21038 Cornerstone Dr, Walnut, CA 91789	$4,275	1,830	$2	17,488	—	5/29/2025	4	4	—	—

Comparable Properties

COMPARABLE

Choose comps

Image	Address	Sale Price	sqft	Price/sqft	Lot Size	Distance	Sale Date	Beds	Baths	Year Built	Weight
	20980 Cornerstone Dr, Walnut, CA 91789	$960,000	1,760	$545	17,469	0.06 mi	3/24/2025	3	4	—	21.7%
	20968 Cornerstone Dr, Walnut, CA 91789	$952,000	1,880	$506	17,441	0.07 mi	8/30/2024	3	4	—	20.2%
	155 Blue Crystal Dr, Walnut, CA 91789	$1,308,000	2,072	$631	3,168	0.06 mi	9/6/2024	4	3	—	19.8%
	139 Seneca Dr, Walnut, CA 91789	$1,138,800	1,811	$629	10,384	0.13 mi	4/7/2025	3	3	—	19.6%
	20615 Vejar Rd, Walnut, CA 91789	$1,290,000	2,246	$574	9,718	0.37 mi	2/14/2025	4	3	—	18.8%

Nearby Listings

18 similar properties within 5 miles

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440 Mockingbird Ln, Walnut, CA 91789

List Price: $4,100

440 Mockingbird Ln, Walnut, CA 91789

3 bd 3 ba 1,731 sqft

TurboHome Est. Value:

$1,321,700

Property placeholder

125 Avenida Grulla, Walnut, CA 91789

List Price: $4,100

125 Avenida Grulla, Walnut, CA 91789

4 bd 3 ba 2,100 sqft

TurboHome Est. Value:

$1,321,200

Property placeholder

658 Calle Valle, Walnut, CA 91789

List Price: $4,400

658 Calle Valle, Walnut, CA 91789

4 bd 4 ba 2,209 sqft

TurboHome Est. Value:

$1,073,800

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