ONE SIDE. YOURS. 100% tenant-side representation for medical practices. We never work for landlords
MD OFFICE SPACES MEDICAL TENANT REPRESENTATION
(619) 796-3390 Talk to an advisor

Medical office space · data as of September 2026

555 Corporate Dr, Ladera Ranch

8 medical office spaces listed, 15,644 SF in all, largest 3,065 SF (about 5 to 7 exam rooms). Eight of them are vacant now. Asking $1.80–$3.15/SF/mo on a NNN basis.

Listed spaces at 555 Corporate Dr

SpaceUseTerm
Suite 100 · 3,065 SF · available nowOffice/MedicalNegotiable
Suite 130 · 2,443 SF · available nowOffice/MedicalNegotiable
Suite 175 · 2,422 SF · available nowOffice/MedicalNegotiable
Suite 135 · 2,078 SF · available nowOffice/MedicalNegotiable
Suite 160 · 1,698 SF · available nowOffice/MedicalNegotiable
Suite 165 · 1,683 SF · available nowOffice/MedicalNegotiable
Suite 120 · 1,170 SF · available nowOffice/MedicalNegotiable
Suite 115 · 1,085 SF · available nowOffice/MedicalNegotiable

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
15,644 SF
Largest space
3,065 SF
Fits
~5–7 rooms
Vacant now
8 of 8

Asking rent and building facts

Asking rent

  • NNN$1.80–$3.15/SF/mobuilding asking range

Rancho Santa Margarita and Ladera Ranch for comparison

  • NNN$1.80–$4.00/SF/mo5 buildings
  • Modified Gross$2.35/SF/mo1 building

Lowest to highest published building asking rents in Rancho Santa Margarita and Ladera Ranch, 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
  • Built2008
  • Stories2
  • Rentable building area46,000 SF
  • Parking ratio1.63 per 1,000 SF
  • Leased60%

Hospitals near 555 Corporate Dr

  • Providence Mission Hospital, Mission Viejo2.2 mi
  • Children's Hospital at Mission (children's), Mission Viejo2.2 mi
  • Memorialcare Saddleback Medical Center, Laguna Hills5.7 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 Santa Margarita and Ladera Ranch

See every building in the Rancho Santa Margarita and Ladera Ranch trade area guide.

Questions about 555 Corporate Dr

What medical office space is available at 555 Corporate Dr?

555 Corporate Dr in Ladera Ranch lists 8 medical office spaces, 15,644 SF in all, as of September 2026: Suite 100 · 3,065 SF · available now, Suite 130 · 2,443 SF · available now, Suite 175 · 2,422 SF · available now, Suite 135 · 2,078 SF · available now, Suite 160 · 1,698 SF · available now, Suite 165 · 1,683 SF · available now. Sizes are rentable square feet. Of those, eight are vacant now.

What is the asking rent at 555 Corporate Dr?

$1.80–$3.15/SF/mo, on a NNN basis, as published for this Class B building, built in 2008. Taxes, insurance and common-area costs come on top of an NNN rate. Across South Orange County, the median for Class B NNN buildings built in 1990 or later is $3.25/SF/month. Each building counts once, at the middle of its published range.

How many exam rooms fit in the largest space at 555 Corporate Dr?

About 5 to 7. The largest listed space is 3,065 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 2008.

Which hospitals are near 555 Corporate Dr?

Providence Mission Hospital is the closest, 2.2 miles away. Also nearby: Children's Hospital at Mission (children's), Mission Viejo, 2.2 miles; Memorialcare Saddleback Medical Center, Laguna Hills, 5.7 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.

Is the availability at 555 Corporate Dr 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 555 Corporate Dr

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.

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

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