Medical office space · data as of September 2026
16465 Sierra Lakes Pky, Fontana Sierra San Antonio Medical Plaza
1 medical office space listed, 2,839 SF in all, largest 2,839 SF (about 4 to 7 exam rooms). It's vacant now. The landlord quotes rent on request.
Listed spaces at 16465 Sierra Lakes Pky
| Space | Use | Term |
|---|---|---|
| Suite 330 · 2,839 SF · available now | Office/Medical | 5 - 10 Years |
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
- 2,839 SF
- Largest space
- 2,839 SF
- Fits
- ~4–7 rooms
- Vacant now
- 1 of 1
Asking rent and building facts
Asking rent
The landlord withholds pricing for this building and quotes on request. In Rancho Cucamonga and Ontario, 3 of 19 buildings do the same.
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 A
- Built2006
- Stories3
- Rentable building area60,000 SF
- Leased95%
Hospitals near 16465 Sierra Lakes Pky
- Kaiser Foundation Hospital Fontana/Ontario, Fontana4.5 mi
- Arrowhead Regional Medical Center, Colton6.8 mi
- Community Hospital of San Bernardino, San Bernardino7.1 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
- 17051 Sierra Lakes Pky Dignity Medical Plaza 22,274 SF · $2.69/SF/mo
- 8110 Mango Ave Fontana Medical Plaza 22,405 SF · $2.40/SF/mo
- 17590 Foothill Blvd 10,568 SF · $2.25/SF/mo
- 9161 Sierra Ave 1,521 SF
See every building in the Rancho Cucamonga and Ontario trade area guide.
Questions about 16465 Sierra Lakes Pky
What medical office space is available at 16465 Sierra Lakes Pky?
16465 Sierra Lakes Pky in Fontana lists 1 medical office space, 2,839 SF in all, as of September 2026: Suite 330 · 2,839 SF · available now. Sizes are rentable square feet.
What is the asking rent at 16465 Sierra Lakes Pky?
Not published. The landlord quotes on request, once the size and use are known.
How many exam rooms fit in the largest space at 16465 Sierra Lakes Pky?
About 4 to 7. The largest listed space is 2,839 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 2006.
Which hospitals are near 16465 Sierra Lakes Pky?
Kaiser Foundation Hospital Fontana/Ontario is the closest, 4.5 miles away. Also nearby: Arrowhead Regional Medical Center, Colton, 6.8 miles; Community Hospital of San Bernardino, San Bernardino, 7.1 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 16465 Sierra Lakes Pky 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 16465 Sierra Lakes Pky
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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