Property profile

21320 Golden Spgs Dr Diamond Bar, CA 91789

OFF-MARKET
Warehouses
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Property ID
US09-9295299
18,093 SF 3.1 ac Built 1980
Last sale Mar 2023·$17,071,000
Entity Owned Owner of record is a legal entity (LLC / corporation). 3-yr Hold Held for 3 years. Absentee Owner Owner mailing address differs from the property address. ~ Est. High Equity Modeled equity is high. Estimate, not a fact.
Market Trends Soon

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2024

What does the county charge?
$210k
Tax billed · 2024
Assessed value$17.41M
Assessed land$4.59M
Assessed improvement$12.82M
Effective rate1.21%

Value estimate

· Nov 2026
$12.40M
$11.16M – $13.63M
AI approach$9.17M
Submarket $/SF estimate$12.24M

Realmo valuation models over county records and 19 qualifying comparable sales.

Recently sold

What actually traded nearby?
$378/SF
ZIP average, outlier-cleaned · 28 recorded sales of this use type
Observed band · Q1–Q3$179 – $676
Qualifying comparables19

Cap rate analysis

How does the asset earn?

No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.

Zoning insight

What can be built here?
LCM1DP*
JurisdictionLOS ANGELES

Location intelligence

Which uses thrive at this corner?
Best fit: Electrical Service
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Electrical Service10.3
Pawn Shop10.3
Garden Center9.2

Location

21320 Golden Spgs Dr Diamond Bar, CA 91789-3926
County assessor Recorded deeds · 4 transfers 19 qualifying comp sales Zoning catalog

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 17 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
20241 Vly, Walnut, CA 91789-2653 $10,680,106 Dec 2023 19,765 SF
319 Lemon Crk, Walnut, CA 91789-2650 $10,680,106 Dec 2023 14,397 SF
20722 Currier, Walnut, CA 91789-2903 $3,991,000 Oct 2023 31,752 SF
20875 Currier, Walnut, CA 91789-3081 $973,000 Oct 2022 12,508 SF
20801 Currier, Walnut, CA 91789-3080 $6,956,569 Jul 2022 23,279 SF
4188 Vly, Walnut, CA 91789-1446 $1,750,000 Mar 2022 13,481 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
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Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

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