Diamond Bar, CA Office Spaces for Lease
- Walnut, CA
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- Chino, CA
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Diamond Bar, CA Office Spaces Lease Rates & Market Statistics
Explore 28 Office Spaces for lease in Diamond Bar, CA on Realmo, a commercial real estate exchange covering the Diamond Bar area. The current inventory totals 105,701 square feet of properties — an average of ~3,800 SF per listing.
Office Spaces lease rates in Diamond Bar range from $26.40 SF/Yr at the entry level to $47.84 SF/Yr at the top of the market, averaging $35.85 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. At $35.85 SF/Yr, the local average runs 33% above California's state average of $27.05 SF/Yr.
Diamond Bar accounts for 1% of the 2,079 office spaces currently available across Los Angeles County, where nearby markets include Los Angeles and Santa Monica.
Demographics Overview
Office Vacancy Rate
Office vacancy in West region stood at 20.8% in 2025, up from 11% in 2019. Figures are for West region, not for Diamond Bar.
Office Space by Type
The largest space type in Diamond Bar, CA is Office Units, with 25 listings.
Available Space by Size
The most common space size in Diamond Bar, CA is 1,000–2,500 SF, with 8 of 19 listings that state a size.
How Realmo verifies these figures
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