Entity Owned 
For Lease
1 / 2
Property summary
Gateway Corporate Center, located at 21680 Gateway Center Drive in Diamond Bar, California, 91765, offers prime executive office space for lease. This Los Angeles County property boasts a total of 10,164 square feet, with multiple tenancy options available. Currently, there are 5,782 square feet of vacant space ready for immediate occupancy. Individual suites range from a minimum of 2,596 square feet to a maximum contiguous space of 3,186 square feet, providing flexibility for businesses of… varying sizes. The building provides ample parking, with a ratio of 5 spaces per 1,000 square feet. The property's convenient location in Diamond Bar offers easy access to major transportation routes and local amenities. This is an exceptional opportunity to establish a presence in a well-maintained and strategically located executive office building. The property is classified as an Office building with an Executive Office subtype. Interested parties are encouraged to inquire about available space and lease terms. The property is situated in Los Angeles County and offers a professional environment ideal for businesses seeking a prestigious address. Contact us today to schedule a viewing and explore the possibilities.
Ownership intelligence
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. In the full report.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax · 2024
Value estimate
· Sep 2026Realmo valuation models over county records.
Recently sold
Cap rate analysis
Price anchors at 6 / 6.5 / 7% — in the full report.
Zoning insight
Location intelligence
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
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 · 15 properties nearbyComparable nearby
Similar Nearby for Sale
Similar Nearby for Lease
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
from $99/month
- GBA
- 84,188 SF
- Lot area
- 1.2 ac
- Year built
- 1999
- APN
- 8293-050-044
- Zoning
- LCR110000*
- Assessed value · 2024
- $12,995,793
- Annual tax · 2024
- $175,018
- Estimated market rent / SF
- Potential gross income
- Vacancy allowance
- Effective gross income
- Benchmark operating expenses
- Stabilized NOI
- Property tax · 2024
- $175,018
- Selected cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
from $99/month
Price sensitivity
The rate is the decision lever; valuation is the consequence.
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
Registration is required before the official district profile is shown.
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
Registration is required before any owner information is shown.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
Registration is required before any owner information is shown.
- Ownership
- Owner Contacts
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
Cancel anytime.
- 30 reports a month
- Ownership
- Owner Contacts
- Location Analytics
- Everything in the Light report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
Cancel anytime.
- 300 reports a month
- Ownership
- Owner Contacts
- Location Analytics
- Everything in the Light report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
and get 1 Light Report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
The PDF can’t be displayed here
Use Download PDF or Open in new tab above to view the sample report.
