Medical office space · data as of September 2026
888 S Brea Canyon Rd, Diamond Bar Diamond Bar Business Center
3 medical office spaces listed, 4,128 SF in all, largest 1,566 SF (about 2 to 4 exam rooms). Three of them are vacant now. Asking $2.80/SF/mo on a NNN basis.
Listed spaces at 888 S Brea Canyon Rd
| Space | Use | Term |
|---|---|---|
| Suite 115 · 1,566 SF · available now | Office/Medical | Negotiable |
| Suite 118 · 1,367 SF · available now | Office/Medical | Negotiable |
| Suite 110 · 1,195 SF · available now | Office/Medical | Negotiable |
Sizes are rentable square feet. Listed with the building as of September 2026. Availability, asking terms and tenant improvement allowance are confirmed with the landlord before any tour.
- Medical space listed
- 4,128 SF
- Largest space
- 1,566 SF
- Fits
- ~2–4 rooms
- Vacant now
- 3 of 3
Asking rent and building facts
Asking rent
- NNN$2.80/SF/mobuilding asking range
Eastern San Gabriel Valley for comparison
- NNN$1.28–$3.57/SF/mo16 buildings
- Modified Gross$1.50–$2.84/SF/mo15 buildings
- Full Service$1.15–$2.29/SF/mo6 buildings
- Net$1.75/SF/mo1 building
- Lease type not stated$2.10/SF/mo1 building
Lowest to highest published building asking rents in Eastern San Gabriel Valley, grouped by lease structure. Full Service includes operating costs and utilities; NNN adds taxes, insurance and common-area costs; Modified Gross splits them.
Building
- Building classClass A
- Built2023
- Stories3
- Rentable building area46,000 SF
- Parking ratio6.28 per 1,000 SF
- Leased91%
Hospitals near 888 S Brea Canyon Rd
- Emanate Health Inter-Community Hospital, Covina6.7 mi
- San Dimas Community Hospital, San Dimas6.7 mi
- Pomona Valley Hospital Medical Center, Pomona7.4 mi
Straight-line miles from the Census Bureau geocode of each hospital's address on the CMS hospital list.
Other buildings with medical space in Eastern San Gabriel Valley
- 1540 Bridgegate Dr Gateway Corporate Center 28,920 SF · $2.50/SF/mo
- 20657 Golden Springs Dr Golden Springs Plaza 917 SF
- 1117-1227 S Grand Ave 2,400 SF
- 23525 Golden Springs Dr 2,380 SF · $2.10/SF/mo
See every building in the Eastern San Gabriel Valley trade area guide.
Questions about 888 S Brea Canyon Rd
What medical office space is available at 888 S Brea Canyon Rd?
888 S Brea Canyon Rd in Diamond Bar lists 3 medical office spaces, 4,128 SF in all, as of September 2026: Suite 115 · 1,566 SF · available now, Suite 118 · 1,367 SF · available now, Suite 110 · 1,195 SF · available now. Sizes are rentable square feet. Of those, three are vacant now.
What is the asking rent at 888 S Brea Canyon Rd?
$2.80/SF/mo, on a NNN basis, as published for this Class A building, built in 2023. Taxes, insurance and common-area costs come on top of an NNN rate.
How many exam rooms fit in the largest space at 888 S Brea Canyon Rd?
About 2 to 4. The largest listed space is 1,566 SF, and planning runs 385 to 600 rentable SF per exam room (350 to 500 usable, plus a 10% to 20% load factor, the share of common areas billed to each tenant). Plumbing, ADA restrooms and HVAC decide whether that count works in a building that wasn't built for exam rooms. This one dates to 2023.
Which hospitals are near 888 S Brea Canyon Rd?
Emanate Health Inter-Community Hospital is the closest, 6.7 miles away. Also nearby: San Dimas Community Hospital, San Dimas, 6.7 miles; Pomona Valley Hospital Medical Center, Pomona, 7.4 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 888 S Brea Canyon Rd current?
It's from the September 2026 survey of medical office availability. Availability, rent and tenant improvement allowance are confirmed with the landlord before any tour.
Ask about 888 S Brea Canyon Rd
Send your size and timing. Live availability and terms for this building come back within one business day.
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We typically reply within one business day. Prefer to talk now? Call (619) 796-3390.

Your advisor
Jamal Brown
Real Estate Broker · CA DRE #01780052
Jamal has spent more than 23 years in commercial real estate and has negotiated and audited more than 1,000 leases. He represents medical practices as tenants and buyers, never landlords, across Los Angeles, Orange County, San Diego and the Inland Empire. Every request sent through this site gets a reply within one business day.
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