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ActiveSingleFamilyResidence

3528 Castle Rock Road

Diamond Bar, CA, 91765

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$1,150,000

Original list price: $1,180,000

MLS: TR26172114

Beds

4

Baths

2

Sq Ft

1,521

Lot

0.16 ac

Year Built

1963

MLS #

TR26172114

Days on Market

62

Listed

Aug 6, 2026

Description

Welcome to 3528 Castle Rock Road, a charming 4-bedroom, 2-bathroom single-story corner lot home in south Diamond Bar. This inviting residence offers a bright and functional floor plan with comfortable living spaces, a cozy fireplace, and abundant natural light throughout. Step outside to your own private backyard featuring a sparkling pool, perfect for relaxing or entertaining family and friends. Conveniently located near shopping, dining, parks, and major freeways, this home is also within the highly acclaimed Walnut Valley Unified School District.

Location

Diamond Bar, Los Angeles County, CA 91765

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Listed by: Chuqi Liu · RE/MAX Galaxy

Listing information is provided courtesy of the Greater Antelope Valley Association of Realtors (GAVAR) and California Regional MLS (CRMLS). Information is deemed reliable but not guaranteed accurate by the MLS or by Mike Watson. All data, including square footage, lot size, room count, permits, and school assignment, should be independently verified. Properties shown may be listed by brokerages other than Keller Williams Realty. Listings are subject to prior sale, change, or withdrawal without notice.

Payment estimate

$9,039

/ month (est.)

Principal, interest, taxes, and insurance + PMI. Down payment: $115,000 · Loan: $1,035,000

%

Average 30-yr fixed rate 7.32% as of Oct 22, 2026 (Freddie Mac PMMS). Adjust to your quote.

Principal & Interest
$7,110
Property tax (1.25%)
$1,198
Homeowners insurance
$300
Mortgage insurance
$431
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Login required. The full tool supports FHA / VA / USDA, PMI by credit tier, lender fees, and total cash to close — with your inputs here carried over.

Today's Rates

As of Oct 22, 2026

30-year fixed
7.32%
15-year fixed
6.68%

Source: Freddie Mac Primary Mortgage Market Survey (PMMS). Updated weekly.

About the area · Mike Watson

About the Antelope Valley

The Antelope Valley spans Lancaster, Palmdale, Quartz Hill, Rosamond, Lake Los Angeles, California City, Edwards AFB, and the Plant 42 aerospace corridor. Mike Watson is a lifelong AV resident and the #1 producing individual Realtor in the region by transaction count. Every active listing on this site is paired with a free market analysis tailored to the specific street, honest financing guidance (FHA, VA, USDA, CalHFA, conventional, and assumable loans where the financing supports it), and side-by-side comparisons against the rest of the active inventory in your target ZIP.

Financing Options

FHA Financing — 3.5% Down+

First-time and repeat buyers can purchase this Diamond Bar home with as little as 3.5% down using an FHA loan — roughly $40,250 down. FHA loans feature flexible credit guidelines and government-backed rates, making homeownership accessible for buyers who haven't saved a large down payment. Seller concessions up to 6% of the purchase price are also allowed.

Similar Homes Nearby

Active and pending listings in ZIP 91765 (Diamond Bar)within ±10% of this home's price and size.

Local Market Stats

See Diamond Bar, CA 91765 market trends →

Median sold price, days on market, active inventory, price brackets, and 12-month trends — pulled live from the MLS.

★#1 Producing Individual Realtor, Antelope Valley

Only large teams outsell Mike Watson · Keller Williams Realty

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Listing data provided by the MLS · Presented by Watson & Associates · Keller Williams Realty · mikewatsonrealtor.com
All information deemed reliable but not guaranteed. Contact listing agent to verify.