Waltham, MA Flex space for Rent & Lease

Cost-Efficient Office Space at Waltham center. Contact us today to book a tour!

303 Wyman St, Unit 300, Waltham, MA 02451

16 available spaces from 11 to 1,969 sqft

$129-$40,240/Mo per office

(972) 764-8885

Flexible workspace in Waltham center. Book a tour & get info

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Updated: Jun 1

Flex Space with Overhead Door Loading

23-25 Summer Ave, Waltham, MA 02452

$10 SF/Yr

7,200 sqft

Lower‑level flex space offers overhead door loading
Versatile space suited for a range of commercial and industrial uses, including manufacturing and warehousing
Available for lease in Waltham
Year built: 1906

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Updated: Jun 23

Flex Office Suite with 12-Foot Ceilings

25 Fox Rd, Waltham, MA 02451

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4,000 sqft

Flex/office space off I‑95 with 12' ceiling heights
10+ parking spaces available
Potential for overhead door in the rear of the building
Close to Fitchburg/South Acton MBTA Commuter Rail and local regional amenities

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Flex Space with Loading Dock

240 Bear Hill Road, Waltham, MA 02451

$25 SF/Yr

6,754 sqft

Commercial availability combines office suites with dock access and on-site parking.

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Waltham Flex Space with Garage

42 Felton Street, Unit 7, Waltham, MA 02453

$2,000/Mo

940 sqft

940 sqft flex space with 10'x16' overhead door.

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Office Flex and R&D Space

187 Lexington St, Waltham, MA 02452

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18,154 sqft

Sublease offering warehouse space with high ceilings, drive-in access, and second-floor offices with dedicated kitchen amenities.

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Renovated Brick-and-Beam Flex Space

224 Calvary St, Waltham, MA 02453

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16,768 sqft 2.15 AC lot

Updated commercial space supports office, R&D, and light lab uses in a connected urban setting.

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Flex Space with Drive-In Door

62 4th Ave, Waltham, MA 02451

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30,000 sqft

Flex/R&D sublease offers a 50/50 office and R&D layout, with loading dock and 80 parking spaces.

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Flex Space with Warehouse and Office

184 Riverview Ave, Waltham, MA 02453

$17 SF/Yr

Combined warehouse and office configuration with shared parking and a common entrance.

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Shared Deep Tech Space Available

154 Calvary Street, Waltham, MA 02453

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14,123 sqft

Shared office, lab, and R&D space near downtown Waltham.

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Single-Story Flex Building

289 2nd Ave, Waltham, MA 02451

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18,050 sqft 1.03 AC lot

Single-story flex building with 18,050 SF on a 1.03-acre lot, currently leased with near-term vacancy.

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Two-Story Office/Flex Building

411 Waverley Oaks Rd, Waltham, MA 02452

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4,650 sqft

Two-story office/flex building near MBTA Commuter Rail and Route 2.

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Industrial Warehouse with Drive-In Dock

78 4th Ave, Waltham, MA 02451

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42,000 sqft

Industrial warehouse offering 14’ clear height and drive-in plus tailboard height loading docks.

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Two-Story Office/Flex Building

411 Waverley Oaks Road, Waltham, MA 02451

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24,000 sqft

Two-story office and flex building near the MBTA Commuter Rail and Route 2.

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Waltham Office/Flex Building For Rent

411 Waverley Oaks Rd, Waltham, MA

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7,350 sqft 7.28 AC lot

Two-story office/flex building near MBTA Commuter Rail and Route 2.

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Freestanding Flex Space Building

1273-1275 Main St, Waltham, MA 02451

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11,416 sqft 0.81 AC lot

Freestanding flex space on a large lot with a flexible interior layout for office, retail, or light industrial use.

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104,000 SF Manufacturing Opportunity

41 Seyon St, Waltham, MA 02453

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17,680 sqft

Single-story shell manufacturing space available for lease in Waltham.

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Waltham Office, Flex, and Lab

335 Bear Hill Rd, Waltham, MA

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9,600 sqft 1.66 AC lot

Versatile 9,600 SF space suitable for office, flex, and lab.

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Two-Story Office/Flex Building

411 Waverley Oaks Rd, Waltham, MA 02452

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7,350 sqft

Two-story office/flex building near MBTA Commuter Rail and Route 2 in Waltham.

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Waltham R&D Flex Space

43 Foundry Avenue, Waltham, MA 02453

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49,726 SF R&D flex space in life science campus.

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Waltham R&D Flex Space

152 Grove Street, Waltham, MA 02453

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25,590 SF single-story R&D flex space for lease.

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Flex/R&D Sublease with Loading Dock

62 4th Ave, Waltham, MA 02451

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30,000 sqft

Flex/R&D sublease with an office and R&D layout, plus drive-in door and tailboard-height dock.

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First-Floor Office Suite in Flex Building

179 Bear Hill Rd, Waltham, MA 02451

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456 sqft 1.78 AC lot

A modernized flex/R&D building offers a 1st-floor office suite with ADA-compliant access and highway visibility.

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Finished Flex Space with Garage

42 Felton St 7r, Waltham, MA 02453

$799,000

1,849 sqft

Two-level commercial unit combines vehicle storage, finished offices, bathrooms, and a kitchenette in a downtown setting.

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Waltham, MA Flex space Lease Rates & Market Statistics

Explore 23 Flex space listings for lease in Waltham, MA on Realmo, a commercial real estate exchange covering the Waltham area. The current inventory totals 272,471 square feet of properties — an average of ~11,850 SF per listing.

Asking lease rates for Flex space in Waltham start at $10 SF/Yr, average $19.38 SF/Yr, and reach $25.53 SF/Yr at the top of the market. That's a 3x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. The local average of $19.38 SF/Yr is 11% above the Massachusetts state average of $17.40 SF/Yr.

Waltham accounts for 9% of the 243 flex space listings currently available across Middlesex County, where nearby markets include Woburn and Marlborough. Flex space listings make up 79% of the 29 Industrial properties currently for lease in Waltham, with asking rates in line with the citywide Industrial properties average.