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Medical office space · data as of September 2026

1035 S Main Ave, Fallbrook Greybill Medical Group

1 medical office space listed, 6,767 SF in all, largest 6,767 SF (about 11 to 17 exam rooms). It isn't marked vacant now. Asking $2.10/SF/mo on a NNN basis.

Listed spaces at 1035 S Main Ave

SpaceUseTerm
Floor 1 (full floor) · 6,767 SF · available Nov 2026Office/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
6,767 SF
Largest space
6,767 SF
Fits
~11–17 rooms
Vacant now
0 of 1

Asking rent and building facts

Asking rent

  • NNN$2.10/SF/mobuilding asking range

Fallbrook for comparison

  • Modified Gross$1.50–$1.79/SF/mo2 buildings
  • NNN$2.10/SF/mo1 building

Lowest to highest published building asking rents in Fallbrook, 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 C
  • Built1963
  • Stories1
  • Rentable building area6,767 SF
  • Parking ratio8.87 per 1,000 SF
  • Leased100%

Other buildings with medical space in Fallbrook

See every building in the Fallbrook trade area guide.

Questions about 1035 S Main Ave

What medical office space is available at 1035 S Main Ave?

1035 S Main Ave in Fallbrook lists 1 medical office space, 6,767 SF in all, as of September 2026: Floor 1 (full floor) · 6,767 SF · available Nov 2026. Sizes are rentable square feet.

What is the asking rent at 1035 S Main Ave?

$2.10/SF/mo, on a NNN basis, as published for this Class C building, built in 1963. Taxes, insurance and common-area costs come on top of an NNN rate.

How many exam rooms fit in the largest space at 1035 S Main Ave?

About 11 to 17. The largest listed space is 6,767 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 1963.

Is the availability at 1035 S Main 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 1035 S Main 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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