1321 S Shamrock Ave
Approximately 10,444 SF of industrial warehouse and flex space available for lease at 1321 S Shamrock Ave, Monrovia, at $19.80/SF/year on negotiable terms, available September 2026. The single-tenant suite is part of a 15,844 SF building on a 27,847 SF lot zoned Manufacturing, built in 1957 and well-maintained with modern systems.
The space features a large open warehouse area with 14-foot clear height ceilings, exposed structure, and excellent lighting throughout. Interior layout includes a reception area, private offices, bullpen workspace, kitchenette with cabinetry, and private restrooms. The building is concrete block construction with 35 tons of installed HVAC capacity and ample power. Tenants have access to a shared gated parking lot with 15 spaces allocated to the suite (1.44 spaces per 1,000 SF).
Located in Monrovia's established industrial corridor, the property sits along the 210 Aerospace & Engineering Corridor with immediate I-210 Freeway access and quick connection to I-605. The site is minutes from operational amenities including Home Depot, Harbor Freight, industrial suppliers, equipment rental providers, and fleet services. The San Gabriel Valley labor pool is strong, with proximity to residential communities in Monrovia, Duarte, Arcadia, Azusa, and Pasadena. Pasadena and JPL/Caltech are 15 minutes away; Downtown Los Angeles is 25 minutes (non-peak).
- 14-foot clear height with large open warehouse and exposed ceiling
- 35 tons installed HVAC capacity, well maintained
- Shared gated parking with 15 spaces allocated
- Immediate I-210 Freeway access; 15 minutes to Pasadena
- Flexible lease terms; available September 2026
More property details
About this property
Centrally located within Monrovia's established industrial corridor surrounded by manufacturing, fabrication, contractor and distribution users. Positioned along the growing 210 Aerospace & Engineering Corridor with convenient access to Pasadena, JPL/Caltech area, Duarte biotech, and Irwindale advanced manufacturing base. Strong San Gabriel Valley labor pool with proximity to Monrovia, Duarte, Arcadia, Azusa and Pasadena residential communities.
- Immediate access to I-210 Freeway with quick connection to I-605. Minutes to major operational amenities including Home Depot, Harbor Freight, industrial suppliers, equipment rental providers, and fleet services. Close to Huntington Drive retail corridor, Old Town Monrovia dining, Santa Anita retail hub, and Costco (Azusa). 15 minutes to Pasadena | 25 minutes to Downtown Los Angeles (non-peak).
Features & amenities
Location
Additional details
Lee & Associates hereby advises all prospective purchasers of Investment property. The information contained in this Marketing Brochure has been obtained from sources we believe to be reliable. However, Lee & Associates has not and will not verify any of this information, nor has Lee & Associates conducted any investigation regarding these matters. Lee & Associates makes no guarantee, warranty or representation whatsoever about the accuracy or completeness of any information provided.