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    Waltham, MA
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    Waltham, MA Flex Space for Lease

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    Flexible workspace at Waltham center. Contact us today to book a tour!
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    Flex Space with Overhead Door Loading
    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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    Flex Office Suite with 12-Foot Ceilings
    Updated: Jun 23
    Flex Office Suite with 12-Foot Ceilings

    25 Fox Rd, Waltham, MA 02451

    Contact for pricing
    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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    Renovated Brick-and-Beam Flex Space
    Renovated Brick-and-Beam Flex Space

    224 Calvary St, Waltham, MA 02453

    Contact for pricing
    5,267 sqft  16 ft clear  3 docks  brick and beam
    Highway access

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

    60 parking spaces
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    Flex Space with Loading Access
    Flex Space with Loading Access

    116 Harvard St, Waltham, MA 02453

    $7,995/Mo
    Built 1960

    Combined shop, warehouse, and office areas provide a flexible commercial layout with on-site parking.

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    Flex Space with Drive-In Door
    Flex Space with Drive-In Door

    62 4th Ave, Waltham, MA 02451

    Contact for pricing
    30,000 sqft  1 dock + 1 drive-in  3,000A 208V 3-phase  19 x 25 ft

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

    Sprinklered  80 parking spaces  Network security and access system  IT equipment and furniture
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    Office Flex and R&D Space
    Office Flex and R&D Space

    187 Lexington St, Waltham, MA 02452

    Contact for pricing
    18,154 sqft  22 ft clear  3 drive-in  Heavy power

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

    47 parking spaces
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    Industrial Flex Property with Outdoor Storage
    Industrial Flex Property with Outdoor Storage

    124 Prospect Street, Waltham, MA 02453

    Contact for pricing
    34,563 sqft

    A fully built-out office component accompanies the warehouse facility.

    Outdoor storage
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    Flex Space with Warehouse and Office
    Flex Space with Warehouse and Office

    184 Riverview Ave, Waltham, MA 02453

    Gross
    $17 SF/Yr
    2,200–2,400 sqft  1 dock  Built 1975  2,400 sqft office

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

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    Single-Story Flex Building
    Single-Story Flex Building

    289 2nd Ave, Waltham, MA 02451

    Contact for pricing
    18,050 sqft  1-story  Single tenant
    Highway access

    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
    Two-Story Office/Flex Building

    411 Waverley Oaks Rd, Waltham, MA 02452

    Contact for pricing
    4,650 sqft  2-story

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

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    Shared Deep Tech Space Available
    Shared Deep Tech Space Available

    154 Calvary Street, Waltham, MA 02453

    Contact for pricing
    56–94 people  14,123 sqft

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

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    Two-Story Office/Flex Building
    Two-Story Office/Flex Building

    411 Waverley Oaks Road, Waltham, MA 02451

    Contact for pricing
    24,000 sqft  Built 2026

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

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    Waltham Office/Flex Building For Rent
    Waltham Office/Flex Building For Rent

    411 Waverley Oaks Rd, Waltham, MA

    Triple net (NNN)
    Contact for pricing
    29–49 people  1 space  7,350 sqft  7.28 acres

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

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    Waltham Office, Flex, and Lab
    Waltham Office, Flex, and Lab

    335 Bear Hill Rd, Waltham, MA

    Contact for pricing
    38–64 people  9,600 sqft  1.66 acres

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

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    Freestanding Flex Space Building
    Freestanding Flex Space Building

    1273-1275 Main St, Waltham, MA 02451

    Contact for pricing
    11,416 sqft
    Highway access

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

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    Two-Story Office/Flex Building
    Two-Story Office/Flex Building

    411 Waverley Oaks Rd, Waltham, MA 02452

    Contact for pricing
    7,350 sqft  2-story
    Highway access

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

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    Waltham R&D Flex Space
    Waltham R&D Flex Space

    43 Foundry Avenue, Waltham, MA 02453

    Contact for pricing

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

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    Waltham R&D Flex Space
    Waltham R&D Flex Space

    152 Grove Street, Waltham, MA 02453

    Contact for pricing

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

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    104,000 SF Manufacturing Opportunity
    104,000 SF Manufacturing Opportunity

    41 Seyon Street, Waltham, MA 02453

    Contact for pricing

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

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    Flex/R&D Sublease with Loading Dock
    Flex/R&D Sublease with Loading Dock

    62 4th Ave, Waltham, MA 02451

    Contact for pricing
    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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    21 active listings match your search: Flex Space for lease in Waltham, MA. Based on your search, we've also compiled 16 Potential Opportunities for your consideration: 16 properties for sale.

    Similar Spaces for Sale in Waltham, MA

    Consider Similar Space for Sale. We found 16 Spaces matching your search parameters.

    Finished Flex Space with Garage
    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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    Finished Flex Space with Garage
    Finished Flex Space with Garage

    7r-42 Felton St, Waltham, MA 02453

    $799,000
    1,849 sqft

    Two-level commercial suite combining vehicle-oriented workspace with finished offices and private river-facing outdoor space.

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    Flex Condominium with Overhead Doors
    Flex Condominium with Overhead Doors

    28 Summer Avenue 4 & 4a, Waltham, MA 02452

    $1,550,000
    2,881 sqft

    Open warehouse space offers dual overhead access, two restrooms, heating, and dedicated parking for commercial operations.

    View details

    Waltham, MA Flex space Lease Rates & Market Statistics

    Explore 21 Flex space listings for lease in Waltham, MA on Realmo, a commercial real estate exchange covering the Waltham area. The current inventory totals 227,703 square feet of properties — an average of ~10,850 SF per listing.

    Asking lease rates for Flex space in Waltham start at $10 SF/Yr, average $13.50 SF/Yr, and reach $17 SF/Yr at the top of the market. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. The local average of $13.50 SF/Yr is 21% below the Massachusetts state average of $17.17 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 81% of the 26 Industrial properties currently for lease in Waltham, with asking rates in line with the citywide Industrial properties average.

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    Most Searched ZIP Codes in Waltham, MA

    • 02453
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    Featured Waltham Real Estate Agencies

    Realmo connects you with licensed Waltham CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Lamacchia Realty
    465 Waverley Oaks Rd Waltham, MA 02452
    Phone: (978) 726-8912
    www.lamacchiarealty.com/
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