Medical office space · data as of September 2026
1820 Fullerton Ave, Corona Corona Medical Center
3 medical office spaces listed, 23,360 SF in all, largest 11,170 SF (about 18 to 29 exam rooms). Three of them are vacant now. The landlord quotes rent on request.
Listed spaces at 1820 Fullerton Ave
| Space | Use | Term |
|---|---|---|
| Suite 100/150 · 4,664 to 11,170 SF · available now | Office/Medical | Negotiable |
| Suite 210 · 2,442 SF · available now | Office/Medical | Negotiable |
| Suite 300 · 2,500 to 9,748 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
- 23,360 SF
- Largest space
- 11,170 SF
- Fits
- ~18–29 rooms
- Vacant now
- 3 of 3
Asking rent and building facts
Asking rent
The landlord withholds pricing for this building and quotes on request. In Corona and Eastvale, 3 of 17 buildings do the same.
Corona and Eastvale for comparison
- NNN$1.35–$2.80/SF/mo7 buildings
- Modified Gross$2.20–$2.45/SF/mo5 buildings
- Full Service$1.85–$2.80/SF/mo2 buildings
Lowest to highest published building asking rents in Corona and Eastvale, 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
- Built1989
- Stories3
- Rentable building area47,637 SF
- Parking ratio4.00 per 1,000 SF
- Leased51%
Hospitals near 1820 Fullerton Ave
- Corona Regional Medical Center, Corona1.4 mi
- Kaiser Foundation Hospital, Riverside, Riverside5.7 mi
- Parkview Community Hospital Medical Center, Riverside7.9 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 Corona and Eastvale
- 818 Magnolia Ave Bldg 5 2,500 SF · $2.80/SF/mo
- 800 Magnolia Ave 1,278 SF · $2.35/SF/mo
- 770 Magnolia Ave 1,445 SF · $2.00/SF/mo
- 720 Magnolia Ave Corona Clinic Building 1,385 SF · $2.20/SF/mo
See every building in the Corona and Eastvale trade area guide.
Questions about 1820 Fullerton Ave
What medical office space is available at 1820 Fullerton Ave?
1820 Fullerton Ave in Corona lists 3 medical office spaces, 23,360 SF in all, as of September 2026: Suite 100/150 · 4,664 to 11,170 SF · available now, Suite 210 · 2,442 SF · available now, Suite 300 · 2,500 to 9,748 SF · available now. Sizes are rentable square feet. Of those, three are vacant now.
What is the asking rent at 1820 Fullerton Ave?
Not published. The landlord quotes on request, once the size and use are known.
How many exam rooms fit in the largest space at 1820 Fullerton Ave?
About 18 to 29. The largest listed space is 11,170 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 1989.
Which hospitals are near 1820 Fullerton Ave?
Corona Regional Medical Center is the closest, 1.4 miles away. Also nearby: Kaiser Foundation Hospital, Riverside, Riverside, 5.7 miles; Parkview Community Hospital Medical Center, Riverside, 7.9 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 1820 Fullerton 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 1820 Fullerton Ave
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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