Medical office space · data as of September 2026
5555 Garden Grove Blvd, Westminster
4 medical office spaces listed, 10,692 SF in all, largest 3,903 SF (about 6 to 10 exam rooms). Four of them are vacant now. Asking $2.45/SF/mo on a Full Service basis.
Listed spaces at 5555 Garden Grove Blvd
| Space | Use | Term |
|---|---|---|
| Suite 105 · 3,640 SF · available now | Office/Medical | Negotiable |
| Suite 300 · 3,903 SF · available now | Office/Medical | Negotiable |
| Suite 375 · 1,948 SF · available now | Office/Medical | Negotiable |
| Suite 365 · 1,201 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
- 10,692 SF
- Largest space
- 3,903 SF
- Fits
- ~6–10 rooms
- Vacant now
- 4 of 4
Asking rent and building facts
Asking rent
- Full Service$2.45/SF/mobuilding asking range
Westminster for comparison
- Full Service$1.55–$2.45/SF/mo4 buildings
- Modified Gross$1.85–$3.00/SF/mo3 buildings
- NNN$2.25–$3.95/SF/mo2 buildings
Lowest to highest published building asking rents in Westminster, 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
- Built1981
- Stories3
- Rentable building area33,895 SF
- Leased68%
Hospitals near 5555 Garden Grove Blvd
- UCI Health - Los Alamitos, Los Alamitos2.8 mi
- Anaheim Community Hospital, Anaheim3.4 mi
- West Anaheim Medical Center, Anaheim4.1 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 Westminster
- 5455 Garden Grove Blvd 15,759 SF · $2.45/SF/mo
- 5405 Garden Grove Blvd 23,512 SF · $2.45/SF/mo
- 13950 Milton Ave Westminster Executive Plaza 3,704 SF · $1.55–$1.75/SF/mo
- 8291-8295 Westminster Blvd Unity Professional Center 16,821 SF · $3.95/SF/mo
See every building in the Westminster trade area guide.
Questions about 5555 Garden Grove Blvd
What medical office space is available at 5555 Garden Grove Blvd?
5555 Garden Grove Blvd in Westminster lists 4 medical office spaces, 10,692 SF in all, as of September 2026: Suite 105 · 3,640 SF · available now, Suite 300 · 3,903 SF · available now, Suite 375 · 1,948 SF · available now, Suite 365 · 1,201 SF · available now. Sizes are rentable square feet. Of those, four are vacant now.
What is the asking rent at 5555 Garden Grove Blvd?
$2.45/SF/mo, on a Full Service basis, as published for this Class B building, built in 1981.
How many exam rooms fit in the largest space at 5555 Garden Grove Blvd?
About 6 to 10. The largest listed space is 3,903 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 1981.
Which hospitals are near 5555 Garden Grove Blvd?
UCI Health - Los Alamitos is the closest, 2.8 miles away. Also nearby: Anaheim Community Hospital, Anaheim, 3.4 miles; West Anaheim Medical Center, Anaheim, 4.1 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 5555 Garden Grove Blvd 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 5555 Garden Grove Blvd
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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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