10 best warehousing spaces in Duarte, CA (2026)

Warehousing around Duarte, California runs from a month-to-month co-warehousing suite to a 25,500 sq. ft. industrial building with its own fenced yard.

I’ve broken down all 10 best options on the market for 2026 below:

What are the best warehousing spaces in Duarte in 2026?

Saltbox offers the best warehousing space for product-based brands in Duarte in 2026 as the only option here that pairs a private warehouse suite with daily shipping support on a monthly bill.

Beyond Saltbox, the shortlist reaches into the neighboring 210 and 605 corridor cities of Monrovia, Azusa, and Irwindale, each bordering Duarte.

Here’s the full shortlist:

#1: Saltbox

Address: 1801 Flower Ave, Duarte, CA 91010.

Saltbox takes the top spot on this Duarte list for product brands that want inventory and order fulfillment under the same roof where they photograph products and handle business operations day-to-day.

Our co-warehousing model combines a private warehouse suite with the shipping infrastructure needed to fulfill orders in-house, backed by staff you can call on when volume demands it.

You can open in a 70 sq. ft. suite, grow past 5,000 sq. ft. as order volume climbs, and stay on monthly billing throughout with nothing annual or quarterly attached.

Disclosure: Saltbox is our own product, and I’ll build an argument into what makes it the best warehousing space in Duarte in 2026 for growth-stage product-based brands.

Below are the services and on-site amenities that our members have grown on: 👇

Warehouse suites and how to move between them

Four suite tiers operate at Duarte, and changing tiers follows your order volume, not a renewal date.

Pricing can be billed monthly, every 6 months, or annually, and you can scale up or down as demand shifts.

Here's what warehousing tiers look like:

• Small, 70 to 250 sq. ft.: 4 to 15 pallets plus working room for 1 to 2 people, enough for a founder handling every order alone.
• Medium, 250 to 500 sq. ft.: 16 to 31 pallets and space for 1 to 4 people, which covers a catalog that keeps adding SKUs.
• Large, 500 to 1,000 sq. ft.: 32 to 62 pallets with up to 10 people on the floor, sized for shipping every weekday.
• Extra Large, 1,000 to 5,000+ sq. ft.: 63 to 125 pallets and as many as 50 people, for brands whose storage needs and floor space both run heavy.

➡️ Book a tour, and our Duarte team will help you find the right size for your business.

Not ready for a warehouse suite yet?

A Saltbox Access Plan gives you a mailing address, receiving, discounted shipping, on-site labor, and an entrepreneur network without signing a warehouse lease.

Explore Access Plans

On-site operations you would otherwise assemble yourself

Square footage is one line item.

Racking, packing stations, a pallet jack, carrier accounts and pickup scheduling, somebody on site to sign for inbound freight, business internet, security monitoring, and somewhere to shoot product photos are all yours to source and pay for if you sign a lease for an empty warehouse.

Some of the empty warehouse leases also leave out utilities and building service costs outside of the final cost as well.

A Saltbox Duarte warehouse membership includes that whole layer from day one:

• Professional-grade equipment to support your operations, as well as loading docks.
• Carrier pickups every day, so labeled orders go into the outbound bins and nobody drives to the post office.
• Saltbox Operations Support that starts at $45 per hour, prorated, for peak weeks and seasonal spikes.
• Inbound receiving at no charge, with staff signing for freight and shelving it in your suite whether or not you are on site.
• A content studio for product photography and video.

Our suites also carry 120V in-suite power, high-speed Wi-Fi, bookable conference rooms, a stocked kitchen with community space, printing, reserved parking, and 24/7 security.

What Parsel does to your shipping bill

Parsel, the shipping app we partner with, is free for all of our members.

You’ll be able to access favorable shipping rates from national and regional carriers, which appear side by side, and both labels and pickups get booked up to the 4:30 PM cutoff each day.

Learn more about Parsel here:

How does Saltbox differ from a conventional 3PL?

A 3PL absorbs your inventory and your fulfillment into its own building, while Saltbox leaves both within arm's reach.

Outsourcing works for plenty of brands, though the moment a customer opens the box is the moment you stop shaping the experience.

Three things keep that control with you in Duarte:

• Access: you hold the key, so counting stock or resetting a packing bench means a walk across the floor, not a support request.
• Proximity: whoever handles your orders works on the same floor, so a bad label or a stuck pallet gets fixed within minutes.
• Choice: pack every order yourself, split the work, or buy extra hands for one heavy week, with no contract attached to the decision.

Members get a private Slack channel as well, which removes the ticket queue.

Our model can also run as full-service fulfillment, with the Duarte crew taking receiving and daily packing off your plate.

How to get started with Saltbox in Duarte?

To get started with Saltbox in Duarte, you first select your membership tier, then choose your warehouse size (optional), and then select your office (optional).

There are 3 membership tiers:

• Virtual: $99 per month, covering a business mailing address (mail only, no packages) plus the Upstream Entrepreneurs Club community.
• Scale: from $349 per month, adding on-site access, the loading dock, packing stations, meeting rooms, and the content studio with no suite attached.
• Warehouse: quoted individually, covering a private warehouse and office suite with shipping technology, operations staff on site, and the amenities listed above.

Warehouse pricing tracks the tier you pick. Duarte rates:

• Small Warehouse: Starting at $702/month when you pay annually for 1-2 employees, 70 to 250 sq. ft., and can accommodate 4 to 15 pallets.
• Medium Warehouse: Starting at $2,790/month when you pay annually for 1-4 employees, 250 to 500 sq. ft., and can accommodate 16 to 31 pallets.
• Large Warehouse: Starting at $5,310/month when you pay annually for 1-10 employees, 500 to 1,000 sq. ft., and can accommodate 32 to 62 pallets.
• Extra Large Warehouse: Starting at $7,650/month when you pay annually for 1-50 employees, 1,000 to 5,000+ sq. ft., and can accommodate 63 to 125 pallets.

The warehouses include:

• Loading docks.
• Daily carrier pickups.
• Secure mail and package receiving.
• Professional-grade equipment.
• Multiple conference rooms.
• A content studio.
• High-speed Wi-Fi.
• A fully equipped kitchen with community dining.
• 24/7 security.
• On-site operations staff.
• In-suite 120V power.
• Printing services.

Offices are optional. Duarte rates:

• 1-person office: $450/month when you pay annually for 1 chair and 1 desk.
• 2-person office: $666/month when you pay annually for 2 chairs and 2 desks.
• 3-person office: $1,053/month when you pay annually for 3 chairs and 3 desks.
• 4-person office: $1,269/month when you pay annually for 4 chairs and 4 desks.

➡️ Monthly billing commits you to nothing for a year. Annual payment cuts 10%, and paying six months ahead cuts 5% for clarity.

Saltbox pros and cons

✅ One Duarte address handles storage, order fulfillment, shipping, and desk work.

✅ You hold the suite key and decide whether your team packs or ours does.

✅ Billing runs month to month, with no multi-year commitment required.

✅ Extra labor available by the hour when a week turns heavy.

❌ We will never be the cheapest, and we don't want to be.

#2: 1703-1711 S California Ave

Best for: Distribution at volume, where heavy power and a large fenced yard matter more than a low rate.

Location: 1703-1711 S California Ave, Monrovia, CA 91016.

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1703-1711 South California Avenue combines 25,500 sq. ft. of warehouse across two buildings with roughly 70,000 sq. ft. of fenced land that was recently repaved.

Anyone moving real pallet volume gets four dock-high doors, racking availability, and the lowest posted rate in this guide at $13.80 per sq. ft. per year.

Amenities and benefits

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• Approximately 25,500 sq. ft. across 1703-1711 S California Avenue and 230 E Pomona Avenue, with 2,000 sq. ft. of office fronting Railroad Avenue.
• Four dock-high doors facing Railroad Avenue and one grade-level door at the rear opening to the fenced yard, plus a dock-high door and grade-level loading at 230 E Pomona.
• Power of 1,200 amps at 120/240 volt three phase and 1,000 amps at 120/240 volt three phase across both buildings.
• Fire sprinklers, insulated ceilings, racking available, and bonus storage buildings plus a mezzanine that fall outside the stated square footage.

Pricing

$13.80 per sq. ft. per year, on a 3- to 5-year term, with the space opening September 01, 2026.

Certain utilities, building services, and property expenses may fall outside that figure.

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Pros and cons

✅ At $13.80 per sq. ft. per year, the cheapest rate quoted in this guide.

✅ Roughly 70,000 sq. ft. of fenced yard, recently repaved.

✅ Direct access to the 210 and 605 freeways.

❌ Occupancy waits until September 2026 on a 3- to 5-year commitment.

❌ Only 12 parking spaces serve 25,500 sq. ft. of building.

#3: 225 E Huntington Dr

Best for: Whole-building occupiers in R&D, biotech, or corporate use, with an empty shell to design around.

Location: 225 E Huntington Dr, Monrovia, CA 91016.

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Delivered 100% vacant, 225 East Huntington Drive hands a single tenant all 17,700 sq. ft. of a flex building marketed for office, R&D, biotech, and warehouse use.

Amenities and benefits

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• 17,700 sq. ft. of flex space, described in the listing as being in excellent condition, on a lot the brochure puts at roughly 36,000 sq. ft.
• The building arrives 100% vacant, so an incoming tenant designs the layout from an empty shell.
• Roughly 50 parking spaces, including three EV charging stations.
• MORMPD planned development zoning, with the building completed in 1998.

Pricing

$19.68 per sq. ft. per year, quoted as $1.64 per sq. ft. monthly on an industrial gross basis, or $29,028 per month.

The term is negotiable, with occupancy approximately August or September 2026, and a sale price of $5,858,700 on the same building.

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Pros and cons

✅ A whole building delivered empty, with no fit-out to work around.

✅ A lease-or-buy decision on one asset.

✅ EV charging on site with roughly 50 spaces.

❌ Freight throughput is capped by a single drive-in bay, and no clear height is published.

#4: 16103 Avenida Padilla

Best for: Office-heavy operations, since ten private offices come already built.

Location: 16103 Avenida Padilla, Irwindale, CA 91702.

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Ten private offices and a conference room already exist inside 16103 Avenida Padilla, wrapped around 12,935 sq. ft. of warehouse with a secured yard behind it.

Irwindale places the building near both the 210 and the 605, and the finished build-out spares an incoming tenant the cost of framing out office space.

Amenities and benefits

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• Improved space totaling 12,935 sq. ft., holding ten private offices and a dedicated conference room.
• Freight moves through one dock-high loading door plus two grade-level doors.
• A clear height of 17 to 18 feet, enough for racking systems and larger equipment.
• A secured yard for outdoor storage or staging, with 26 parking spaces.

Pricing

The asking rate is $18.00 per sq. ft. per year, term negotiable, available now.

Utilities, building services, and property expenses are not necessarily covered by the quoted rate.

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Pros and cons

✅ Ten offices and a conference room already built out.

✅ Both dock-high and grade-level loading in one building.

✅ A secured yard included with the lease.

❌ A 200-amp service can be light for equipment-heavy operations.

#5: 1344-1388 W Foothill Blvd, Bldg A

Best for: Anyone happy to take over a sublease and inherit installed racking with it.

Location: 1344-1388 W Foothill Blvd, Azusa, CA 91702.

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A sublease carries 12,650 sq. ft. of Building A at 1344-1388 West Foothill Boulevard through January 2031, demised out of a larger industrial warehouse.

Pallet racking configured for three-high storage stays in place, which shortens the runway between signing and a first shipment.

Amenities and benefits

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• 12,650 sq. ft. demised from a larger warehouse, available for immediate occupancy.
• Loading through four dock-high positions plus one drive-in bay.
• A 24-foot clear height with existing pallet racking configured for three-high storage.
• Heavy power on site and 165 parking spaces, within one mile of the 605 freeway.

Pricing

$16.20 per sq. ft. per year for the balance of a sublease that expires in January 2031.

Budget separately for utilities, building services, and property expenses.

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Pros and cons

✅ Racking already installed and configured for three-high storage.

✅ A 24-foot clear height, the tallest published on this list.

✅ Deep parking at 165 spaces, and the 605 within a mile.

❌ A sublease can leave you dependent on the primary tenant's lease.

#6: 1009-1013 S Mountain Ave

Best for: Phased growth, one building now with the neighboring one available later.

Location: 1009-1013 S Mountain Ave, Monrovia, CA 91016.

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Two warehouse buildings at 1009-1013 South Mountain Avenue lease separately at 6,150 sq. ft. and 5,550 sq. ft., or together as 11,700 sq. ft.

Both carry the same $19.80 per sq. ft. per year rate, and the shared 24,000 sq. ft. lot includes a private yard for storage or operational use.

Amenities and benefits

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• Suites of 6,150 sq. ft. and 5,550 sq. ft., leasable individually or combined into 11,700 sq. ft.
• Loading runs through three 12-foot roll-up doors.
• A private yard on approximately 24,000 sq. ft. of lot area, with 17 parking spaces.
• Zoned Monrovia limited industrial, carrying 1,200 amps at 240 to 480 volts, three phase, four wire.

Pricing

Either building leases at $19.80 per sq. ft. per year, term negotiable. Both suites are listed with a full build-out already in place.

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Pros and cons

✅ Take one building or both, at the same rate either way.

✅ 1,200-amp power for manufacturing or equipment-heavy work.

✅ A private yard plus three roll-up doors on a full build-out.

❌ A 12-foot clear height is the lowest here.

❌ The buildings date to 1956, so expect an older shell.

#7: 1321 S Shamrock Ave

Best for: Client-facing use, backed by roughly 35 tons of HVAC and a gated lot.

Location: 1321 S Shamrock Ave, Monrovia, CA 91016.

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Roughly 35 tons of installed HVAC capacity serves the 10,444 sq. ft. suite at 1321 South Shamrock Avenue, described in the listing as well-maintained.

Amenities and benefits

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• A large open warehouse area with an exposed ceiling, across 10,444 sq. ft.
• A reception and front entry lead through to private offices and a bullpen area, with a kitchenette and private restrooms behind.
• Approximately 35 tons of installed HVAC capacity, with excellent lighting throughout.
• A shared gated parking lot with 15 spaces allocated to the suite, in concrete block construction.

Pricing

Asking rent is $19.80 per sq. ft. per year, negotiable, available now.

That number may leave out utilities, building services, and property expenses.

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Pros and cons

✅ Around 35 tons of HVAC capacity already installed.

✅ A finished front-of-house with reception, private offices, a bullpen area, and a kitchenette.

✅ Gated parking with spaces allocated to the suite.

❌ An approximate 14-foot clear height can limit vertical storage.

#8: 895 N Todd Ave

Best for: A small brand ready for its own building and a fenced yard, without sharing either.

Location: 895 N Todd Ave, Azusa, CA 91702.

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895 North Todd Avenue is a free-standing 5,173 sq. ft. building, refurbished inside and out, with a private fenced yard at the rear.

Two roll-up doors and 400-amp power come with immediate occupancy, which works for a growing operation that wants an address of its own.

Amenities and benefits

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• 5,173 sq. ft. free-standing, ready for immediate occupancy and listed in excellent condition.
• A 16-foot clear height served by two drive-in bays.
• Office space across three rooms plus two restrooms.
• 400 amps at 120 to 208 volts, three-phase, four-wire, and direct access to the 210 and 605 freeways.

Pricing

$18.60 per sq. ft. per year, term negotiable, ready for immediate occupancy.

Utilities, building services, and property expenses can be billed on top.

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Pros and cons

✅ Its own building, with the fenced rear yard included.

✅ Refurbished inside and out, built in 2000.

✅ Ready for immediate occupancy on a negotiable term.

❌ A partial build-out means some fit-out work falls to you.

#9: 122 W Pomona Ave

Best for: Lean operators trading square footage for transit access and a fast move-in.

Location: 122 W Pomona Ave, Monrovia, CA 91016.

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At 2,200 sq. ft., the Hamby Park unit at 122 West Pomona Avenue is among the smallest entries here, near the entrance to the Monrovia Gold Line Station and the 210 Freeway.

Amenities and benefits

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• The Hamby Park unit runs 2,200 sq. ft. under a 16-foot clear height, with occupancy in 30 days.
• A tilt-up door at the rear of the unit, plus additional office and a second bathroom upstairs.
• Wet sprinkler system, city water and sewer, natural gas, and 200-amp power at 220 volts, three-phase.
• Near the entrance to the Monrovia Gold Line Station and the 210 Freeway, surrounded by the MODA, Monroe, and Alexan Marmont apartment communities.

Pricing

$19.80 per sq. ft. per year, quoted in the brochure as $1.65 per sq. ft. modified gross on a 3 to 5-year term.

The space table lists the term as negotiable, so confirm which applies before signing.

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Pros and cons

✅ Occupancy in about 30 days on a small footprint.

✅ Gold Line station and 210 access at the door.

✅ Upstairs office and a second bathroom included.

❌ The brochure lists two parking spaces for the unit.

❌ With one drive-in bay and 200-amp power, this will most likely fit low-intensity operations only.

#10: Jensen Myrtle Industrial Park

Best for: Solo founders and trades, at the smallest footprint on this list.

Location: 2011-2019 S Myrtle Ave, Monrovia, CA 91016.

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Jensen Myrtle Industrial Park has two 1,600 sq. ft. warehouse units open in separate buildings along Myrtle Avenue, each at $19.20 per sq. ft. per year.

Warehouse units this small rarely come up in Monrovia, and the park's own listing points to a low turnover rate among its tenants.

Amenities and benefits

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• Two units of 1,600 sq. ft. each, at 1943-1973 Myrtle St and 2011-2019 S Myrtle Ave, totaling 3,200 sq. ft. available.
• Secured outdoor storage described as nice-sized, inside a clean industrial park.
• Exposure on Myrtle Avenue, close to Metro and the 210 freeway.
• A mixed tenant base including electrical, construction, veterinary, wholesale, and brewing businesses.

Pricing

Both units are posted at $19.20 per sq. ft. per year, term negotiable.

The unit at 1949 is listed with a full build-out in place.

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Pros and cons

✅ The smallest footprints on this list at 1,600 sq. ft.

✅ Secured outdoor storage inside a managed park.

✅ Myrtle Avenue exposure with Metro and 210 access.

❌ The two units are in separate buildings, so 3,200 sq. ft. is not contiguous.

Set up your Duarte operation without a five-year signature

Nine of the ten options above are conventional leases, running from 1,600 sq. ft. inside a Monrovia park up to 25,500 sq. ft. with 70,000 sq. ft. of yard behind it.

Each one wins on something different, whether that is the rate, the footprint, or the dock count.

The reality is that a full building becomes the right answer once your volume can fill it continuously for the length of a lease.

Brands still climbing toward that point need somewhere to operate meanwhile, and that is the gap Saltbox occupies in Duarte.

Your inventory stays under your own lock, our staff absorb whatever fulfillment work you hand over, and no multi-year signature is involved.

Here’s what you can expect:

• A private suite from 70 up to 5,000+ sq. ft., billed monthly.
• Parsel carrier pricing that independent brands rarely reach on their own.
• Labor by the hour for receiving and packing through peak season.
• On-site studio time for shooting product photography and video.

You can speak to an expert to learn more about Saltbox, or book a tour at our Duarte location to see the space for yourself.

⚠️ Disclaimer: This article was last updated on August 12, 2026, and if there's any misinterpretation of the information, please contact us, and we will fact-check it.