Biggest Diamond Bar price cut this week: $200,000 on 2828 Water Course Drive
The asking price on 2828 Water Course Drive dropped from $5,380,000 to $5,180,000. This week in Diamond Bar: 11 new listings, 10 price cuts, 4 closed sales and 5 homes going under contract. Data as of October 18, 2026.
Diamond BarCaliforniaWeek of October 12, 2026
The week in Diamond Bar
What moved, what dropped and what changed hands in Diamond Bar, read the way an inspector reads a house.
The Diamond Bar file →The largest reduction on the desk was 2828 Water Course Drive — down $200,000, from $5,380,000 to $5,180,000, listed by Dombroski Realty.
10 listings changed status: 4 sold, 3 pending, 2 active under contract, 1 back on market. The brokerage on every row below is the listing brokerage on the record, not ours.
11 homes came to market, asking from $445,000 to $2,068,000.
That is the week, address by address. What any one of these rows means for a house on the same street is the question the file answers next.
On the streetA Diamond Bar street of the kind this week's rows sit on. Illustrative — not a photograph of any address listed below.
This week on the desk
- 1318 S Diamond Bar Boulevard CRE/MAX 2000 REALTYSold▇▇▇▇ ▇▇▇▇ VaultWatch
- 800 Grand Avenue D1Pinnacle Real Estate GroupPending▇▇▇▇ ▇▇▇▇ VaultWatch
- 2169 Rocky ViewCC Royal RealtySold▇▇▇▇ ▇▇▇▇ VaultWatch
- 203 TanforanMarketing SpecialistsPending▇▇▇▇ ▇▇▇▇ VaultWatch
- 780 Leyland DriveWeTrust RealtySold▇▇▇▇ ▇▇▇▇ VaultWatch
- 2360 S Diamond Bar JDoubletree RealtorsActive Under Contract▇▇▇▇ ▇▇▇▇ VaultWatch
- 22915 Colombard Lane 2JOHNHART CORPActive Under Contract▇▇▇▇ ▇▇▇▇ VaultWatch
- 23437 AmberwickPINNACLE REAL ESTATE GROUPBack on market▇▇▇▇ ▇▇▇▇ VaultWatch
Bought by: I follow these closings myself — some of these buyers I know, a few were my clients. The names are for Vault members; everything else on the row is open.
Week of October 12, 2026. Listing brokerage shown on each row; the buyer's name stays behind the Vault.
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Desk noteHighest-priced home listed in Diamond Bar this week: $2,068,000 on 23553 Canyon Vista Court
The highest-priced home listed in Diamond Bar this week is 23553 Canyon Vista Court at $2,068,000. This week in Diamond Bar: 9 new listings, 8 price cuts, 4 closed sales and 5 homes going under contract. Data as of October 19, 2026.
NeighbourhoodThe Country Estates
A roughly 1,600-acre, 24-hour guard-gated hillside tract of 931 custom home lots; its homeowners association was chartered in 1966 as "Equestrian Estates" before adopting its current name.
NeighbourhoodCrystal Ridge
A non-equestrian tract adjacent to the original Country Estates that was integrated into the Diamond Bar Country Estates Association during the 2000s, contributing a distinct architectural character to the wider community.
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