Medical office space · data as of September 2026
4444 Magnolia Ave, Riverside De Anza Surgery Center
1 medical office space listed, 15,000 SF in all, largest 15,000 SF (about 25 to 38 exam rooms). It's vacant now. Asking $2.46/SF/mo on a Modified Gross basis.
Listed spaces at 4444 Magnolia Ave
| Space | Use | Term |
|---|---|---|
| Floor 1 · 5,000 to 15,000 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
- 15,000 SF
- Largest space
- 15,000 SF
- Fits
- ~25–38 rooms
- Vacant now
- 1 of 1
Asking rent and building facts
Asking rent
- Modified Gross$2.46/SF/mobuilding asking range
Riverside for comparison
- Modified Gross$1.60–$2.83/SF/mo8 buildings
- NNN$2.00–$2.50/SF/mo4 buildings
- Full Service$4.88/SF/mo1 building
Lowest to highest published building asking rents in Riverside, 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 C
- Built2009
- Stories1
- Rentable building area35,680 SF
- Parking ratio2.80 per 1,000 SF
- Leased58%
Hospitals near 4444 Magnolia Ave
- Riverside Community Hospital, Riverside0.1 mi
- Parkview Community Hospital Medical Center, Riverside4.9 mi
- Kaiser Foundation Hospital, Riverside, Riverside7.0 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 Riverside
- 4500 Brockton Ave Evans Park Medical Arts Building 5,378 SF · $2.83/SF/mo
- 4510 Brockton Ave Riverbrock Medical Plaza 5,345 SF · $4.88/SF/mo
- 6850 Brockton Ave 840 SF · $1.75/SF/mo
- 3731 Tibbetts St 2,562 SF · $1.95/SF/mo
See every building in the Riverside trade area guide.
Questions about 4444 Magnolia Ave
What medical office space is available at 4444 Magnolia Ave?
4444 Magnolia Ave in Riverside lists 1 medical office space, 15,000 SF in all, as of September 2026: Floor 1 · 5,000 to 15,000 SF · available now. Sizes are rentable square feet.
What is the asking rent at 4444 Magnolia Ave?
$2.46/SF/mo, on a Modified Gross basis, as published for this Class C building, built in 2009.
How many exam rooms fit in the largest space at 4444 Magnolia Ave?
About 25 to 38. The largest listed space is 15,000 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 2009.
Which hospitals are near 4444 Magnolia Ave?
Riverside Community Hospital is the closest, 0.1 mile away. Also nearby: Parkview Community Hospital Medical Center, Riverside, 4.9 miles; Kaiser Foundation Hospital, Riverside, Riverside, 7.0 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 4444 Magnolia 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 4444 Magnolia Ave
Send your size and timing. Live availability and terms for this building come back within one business day.
Sent.
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.
Recent medical office deals
8 practices · 20,061 SF leased · $2.7M building purchase
- 23500 Hawthorne Blvd$2.7MTorrance · owner-user purchase, $500K below asking
- X-Ray Medical Group5,200 SFLa Mesa
- Lighthouse Pediatrics4,261 SFTorrance
- Caring Physicians3,600 SFLa Mesa
- Desert Trauma Surgeons2,000 SFLynwood
- Dr. Hannon1,600 SFBeverly Hills
- Achilles Podiatry1,200 SFLa Mesa
- Dr. Kenith Paresa1,200 SFSanta Monica
- Little Bellies1,000 SFIrvine