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Medical office space · data as of September 2026

521-525 N Laurel Ave, Ontario

11 medical office spaces listed, 1,590 SF in all, largest 250 SF. Of those, 11 are vacant now. Asking $3.41–$10.00/SF/mo on a Full Service basis.

Listed spaces at 521-525 N Laurel Ave

SpaceUseTerm
Suite 110 · 250 SF · available nowOffice/Medical1 - 10 Years
Suite 115 · 220 SF · available nowOffice/Medical1 - 10 Years
Suite 114 · 220 SF · available nowOffice/Medical1 - 10 Years
Suite 104 · 200 SF · available nowOffice/Medical1 - 10 Years
Suite 113 · 100 SF · available nowOffice/Medical1 - 10 Years
Suite 112 · 100 SF · available nowOffice/Medical1 - 10 Years
Suite 111 · 100 SF · available nowOffice/Medical1 - 10 Years
Suite 108 · 100 SF · available nowOffice/Medical1 - 10 Years
Suite 107 · 100 SF · available nowOffice/Medical1 - 10 Years
Suite 106 · 100 SF · available nowOffice/Medical1 - 10 Years
Suite 105 · 100 SF · available nowOffice/Medical1 - 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
1,590 SF
Largest space
250 SF
Fits
Under 1 room
Vacant now
11 of 11

Asking rent and building facts

Asking rent

  • Full Service$3.41–$10.00/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
  • Built1978, renovated 2017
  • Stories1
  • Rentable building area4,891 SF
  • Parking ratio1.02 per 1,000 SF
  • Leased67%

Hospitals near 521-525 N Laurel Ave

  • San Antonio Regional Hospital, Upland2.4 mi
  • Montclair Hospital Medical Center, Montclair2.5 mi
  • Chino Valley Medical Center, Chino3.5 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

See every building in the Rancho Cucamonga and Ontario trade area guide.

Questions about 521-525 N Laurel Ave

What medical office space is available at 521-525 N Laurel Ave?

521-525 N Laurel Ave in Ontario lists 11 medical office spaces, 1,590 SF in all, as of September 2026: Suite 110 · 250 SF · available now, Suite 115 · 220 SF · available now, Suite 114 · 220 SF · available now, Suite 104 · 200 SF · available now, Suite 113 · 100 SF · available now, Suite 112 · 100 SF · available now. Sizes are rentable square feet. Of those, 11 are vacant now.

What is the asking rent at 521-525 N Laurel Ave?

$3.41–$10.00/SF/mo, on a Full Service basis, as published for this Class B building, built in 1978 (renovated 2017).

How many exam rooms fit in the largest space at 521-525 N Laurel Ave?

Under one. The largest listed space is 250 SF, below the 385 rentable SF at the low end of the planning range for a single exam room.

Which hospitals are near 521-525 N Laurel Ave?

San Antonio Regional Hospital is the closest, 2.4 miles away. Also nearby: Montclair Hospital Medical Center, Montclair, 2.5 miles; Chino Valley Medical Center, Chino, 3.5 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.

Is the availability at 521-525 N Laurel 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 521-525 N Laurel 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.

Jamal Brown, Real Estate Broker

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.

(619) 796-3390

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