Medical office space · data as of September 2026
353 E Park Ave, El Cajon Rosemond
4 medical office spaces listed, 3,901 SF in all, largest 1,093 SF (about 1 to 2 exam rooms). Four of them are vacant now. Asking $1.50/SF/mo on a Modified Gross basis.
Listed spaces at 353 E Park Ave
| Space | Use | Term |
|---|---|---|
| Suite 104 · 1,093 SF · available now | Office/Medical | Negotiable |
| Suite 103 · 1,053 SF · available now | Office/Medical | Negotiable |
| Suite 201 · 888 SF · available now | Office/Medical | Negotiable |
| Suite 203 · 867 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
- 3,901 SF
- Largest space
- 1,093 SF
- Fits
- ~1–2 rooms
- Vacant now
- 4 of 4
Asking rent and building facts
Asking rent
- Modified Gross$1.50/SF/mobuilding asking range
El Cajon and East County for comparison
- NNN$1.80–$2.75/SF/mo5 buildings
- Modified Gross$1.50–$2.50/SF/mo3 buildings
Lowest to highest published building asking rents in El Cajon and East County, 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
- Built2007
- Stories2
- Rentable building area8,295 SF
- Parking ratio2.41 per 1,000 SF
- Leased53%
Hospitals near 353 E Park Ave
- Grossmont Hospital, La Mesa3.2 mi
- Kaiser Foundation Hospital - San Diego, San Diego8.0 mi
- Alvarado Parkway Institute Behavioral Health System (psychiatric), La Mesa5.3 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 El Cajon and East County
- 669-681 S Mollison Ave Mollison Plaza 765 SF · $1.50–$2.50/SF/mo
- 1150 Broadway East San Diego Board of Realtors 357 SF · $2.24/SF/mo
- 1625 E Main St The El Cajon Medical Center 8,139 SF · $2.65–$2.75/SF/mo
- 10201 Mission Gorge Rd Santee Professional Center 1,484 SF · $1.95–$2.25/SF/mo
See every building in the El Cajon and East County trade area guide.
Questions about 353 E Park Ave
What medical office space is available at 353 E Park Ave?
353 E Park Ave in El Cajon lists 4 medical office spaces, 3,901 SF in all, as of September 2026: Suite 104 · 1,093 SF · available now, Suite 103 · 1,053 SF · available now, Suite 201 · 888 SF · available now, Suite 203 · 867 SF · available now. Sizes are rentable square feet. Of those, four are vacant now.
What is the asking rent at 353 E Park Ave?
$1.50/SF/mo, on a Modified Gross basis, as published for this Class B building, built in 2007.
How many exam rooms fit in the largest space at 353 E Park Ave?
About 1 to 2. The largest listed space is 1,093 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 2007.
Which hospitals are near 353 E Park Ave?
Grossmont Hospital is the closest, 3.2 miles away. Also nearby: Kaiser Foundation Hospital - San Diego, San Diego, 8.0 miles; Alvarado Parkway Institute Behavioral Health System (psychiatric), La Mesa, 5.3 miles. Distances are straight-line miles to each hospital's address on the CMS hospital list.
Is the availability at 353 E Park 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 353 E Park Ave
Send your size and timing. Live availability and terms for this building come back within one business day.
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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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