Medical office space · data as of September 2026
8599 Haven Ave, Rancho Cucamonga
1 medical office space listed, 2,011 SF in all, largest 2,011 SF (about 3 to 5 exam rooms). It's vacant now. Asking $2.45/SF/mo on a Full Service basis.
Listed spaces at 8599 Haven Ave
| Space | Use | Term |
|---|---|---|
| Suite 202 · 2,011 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
- 2,011 SF
- Largest space
- 2,011 SF
- Fits
- ~3–5 rooms
- Vacant now
- 1 of 1
Asking rent and building facts
Asking rent
- Full Service$2.45/SF/mobuilding asking range
Rancho Cucamonga and Ontario for comparison
- Modified Gross$1.90–$2.75/SF/mo7 buildings
- Full Service$2.25–$10.00/SF/mo4 buildings
- NNN$1.50–$2.69/SF/mo3 buildings
- Gross + Utilities$2.95/SF/mo1 building
Lowest to highest published building asking rents in Rancho Cucamonga and Ontario, 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 B
- Built1991
- Stories3
- Rentable building area42,029 SF
- Parking ratio4.00 per 1,000 SF
- Leased95%
Hospitals near 8599 Haven Ave
- San Antonio Regional Hospital, Upland3.5 mi
- Montclair Hospital Medical Center, Montclair7.0 mi
- Chino Valley Medical Center, Chino8.0 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 Rancho Cucamonga and Ontario
- 10837 Laurel St 1,447 SF · $2.95/SF/mo
- 10807 Laurel St 1,817 SF · $2.48/SF/mo
- 10832 Laurel St Vaniparo Plaza 995 SF · $2.25/SF/mo
- 10470 Foothill Blvd Virginia Dare Winery Business Centre 11,035 SF · $1.90/SF/mo
See every building in the Rancho Cucamonga and Ontario trade area guide.
Questions about 8599 Haven Ave
What medical office space is available at 8599 Haven Ave?
8599 Haven Ave in Rancho Cucamonga lists 1 medical office space, 2,011 SF in all, as of September 2026: Suite 202 · 2,011 SF · available now. Sizes are rentable square feet.
What is the asking rent at 8599 Haven Ave?
$2.45/SF/mo, on a Full Service basis, as published for this Class B building, built in 1991.
How many exam rooms fit in the largest space at 8599 Haven Ave?
About 3 to 5. The largest listed space is 2,011 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 1991.
Which hospitals are near 8599 Haven Ave?
San Antonio Regional Hospital is the closest, 3.5 miles away. Also nearby: Montclair Hospital Medical Center, Montclair, 7.0 miles; Chino Valley Medical Center, Chino, 8.0 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 8599 Haven Ave 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 8599 Haven Ave
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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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