Medical office space · data as of September 2026
29803 Santa Margarita Pky, Rancho Santa Margarita Bldg 3-Phase I
1 medical office space listed, 4,777 SF in all, largest 4,777 SF (about 7 to 12 exam rooms). It isn't marked vacant now. Asking $2.50/SF/mo on a NNN basis.
Listed spaces at 29803 Santa Margarita Pky
| Space | Use | Term |
|---|---|---|
| Suite 100 · 4,777 SF · available in 60 days | 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
- 4,777 SF
- Largest space
- 4,777 SF
- Fits
- ~7–12 rooms
- Vacant now
- 0 of 1
Asking rent and building facts
Asking rent
- NNN$2.50/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
- Built2000
- Stories1
- Rentable building area6,076 SF
- Parking ratio5.00 per 1,000 SF
- Leased100%
Hospitals near 29803 Santa Margarita Pky
- Memorialcare Saddleback Medical Center, Laguna Hills6.1 mi
- Providence Mission Hospital, Mission Viejo6.2 mi
- Children's Hospital at Mission (children's), Mission Viejo6.2 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
- 29839 Santa Margarita Pky Bldg 13-Phase II 2,100 SF · $2.00–$4.00/SF/mo
- 30212 Tomas Tomas Professional Center 1,620 SF · $2.35/SF/mo
- 22032 El Paseo RSM Health Center 2,835 SF
- 29472 Avenida de las Banderas 5,006 SF · $3.35/SF/mo
See every building in the Rancho Santa Margarita and Ladera Ranch trade area guide.
Questions about 29803 Santa Margarita Pky
What medical office space is available at 29803 Santa Margarita Pky?
29803 Santa Margarita Pky in Rancho Santa Margarita lists 1 medical office space, 4,777 SF in all, as of September 2026: Suite 100 · 4,777 SF · available in 60 days. Sizes are rentable square feet.
What is the asking rent at 29803 Santa Margarita Pky?
$2.50/SF/mo, on a NNN basis, as published for this Class B building, built in 2000. 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 29803 Santa Margarita Pky?
About 7 to 12. The largest listed space is 4,777 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 2000.
Which hospitals are near 29803 Santa Margarita Pky?
Memorialcare Saddleback Medical Center is the closest, 6.1 miles away. Also nearby: Providence Mission Hospital, Mission Viejo, 6.2 miles; Children's Hospital at Mission (children's), Mission Viejo, 6.2 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 29803 Santa Margarita Pky 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 29803 Santa Margarita Pky
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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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