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    Waltham, MA
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    Waltham, MA Flex Space for Sale

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    Finished Flex Space with Garage
    Updated: Aug 30
    Finished Flex Space with Garage

    42 Felton St 7r, Waltham, MA 02453

    $799,000
    1,849 sqft
    1,849‑square‑foot flex unit built in 2017
    Two‑floor layout with garage bay and finished office space
    16‑foot‑wide by 12‑foot‑tall overhead door
    Garage includes 13'8" ceilings, in‑floor drainage, oil separators, and utility sink
    Upper level has HVAC, full bathroom with shower, kitchenette, and private balcony
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    Finished Flex Space with Garage
    Updated: Aug 23
    Finished Flex Space with Garage

    7r-42 Felton St, Waltham, MA 02453

    $799,000
    1,849 sqft
    1849 SF flex space configured over two finished floors
    16' wide by 12' tall overhead garage door with 38'8'' ground‑floor depth
    13'8" ceilings with in‑floor oil separators and drainage for indoor vehicle parking
    Finished upper‑level offices with central heating and air conditioning
    Kitchenette, full bathroom with shower, utility sink, and half bath
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    Finished Flex Space with Garage
    Finished Flex Space with Garage

    42 Felton St Unit 7R, Waltham, MA 02453

    $799,000
    1,849 sqft

    Two-level commercial suite combines vehicle storage, finished offices, and dedicated plumbing and climate control.

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    See what stands out in Middlesex County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Flex Space with Loading Dock
    Flex Space with Loading Dock

    231 Lexington Street, Waltham, MA 02452

    $1,950,000
    4,439 sqft

    Well-maintained commercial building combining office areas with manufacturing and warehouse space.

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    Flex Condominium with Overhead Doors
    Flex Condominium with Overhead Doors

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

    $1,599,000
    2,881 sqft

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

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    Flex Condominium with High Ceilings
    Flex Condominium with High Ceilings

    28 Summer Avenue # 4 & 4A, Waltham, MA 02452

    $1,599,000
    2,881 sqft

    Commercial condominium space offers open warehouse functionality, dual overhead access, heating, restrooms, and on-site vehicle parking.

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    Flex Condominium Bay
    Flex Condominium Bay

    28 Summer Avnue # 4-A, Waltham, MA 02452

    $809,000
    1,441 sqft

    Commercial flex space with dual overhead doors, a bathroom, gas-fired heat, and sprinkler protection.

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    Flex Condominium Bay with Dual Doors
    Flex Condominium Bay with Dual Doors

    4-a-28 Summer Ave, Waltham, MA 02452

    $849,000
    1,441 sqft

    Commercial condominium bay with two overhead doors, dedicated parking, gas heat, and sprinkler protection.

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    Industrial Flex Condominium Bay
    Industrial Flex Condominium Bay

    4-28 Summer Ave, Waltham, MA 02452

    $849,000
    1,441 sqft

    Commercial/industrial flex condominium bay in a convenient location.

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    Flex Space with Office and Warehouse
    Flex Space with Office and Warehouse

    184 Riverview Ave, Waltham, MA 02453

    Contact for pricing
    4,583 sqft

    Combined office and warehouse layout with shared parking in a light industrial setting.

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    Standalone Flex Building
    Standalone Flex Building

    305 2nd Avenue Unit 1, Waltham, MA 02452

    Contact for pricing
    8,000 sqft

    Open-plan commercial space supports industrial, medical, retail, and service uses.

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    Flex Space Building on Corner Lot
    Flex Space Building on Corner Lot

    614 Moody St, Waltham, MA 02453

    Contact for pricing
    3,183 sqft 0.22 AC lot

    Flex space building on a 0.22-acre corner lot with 3,183 SF and prominent Moody Street visibility.

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    First-Floor R&D/Flex Office Suite
    First-Floor R&D/Flex Office Suite

    179 Bear Hill Rd, Waltham, MA 02451

    Contact for pricing
    44,272 sqft

    First-floor office suite in a recently modernized R&D/Flex building with strong access to major regional routes.

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    Single-Story Flex Building
    Single-Story Flex Building

    289 2nd Ave, Waltham, MA 02451

    Contact for pricing
    18,050 sqft

    Single-story flex building on 1.03 acres, currently fully leased to an animal hospital with near-term vacancy.

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    Flex Space Near Commuter Rail
    Flex Space Near Commuter Rail

    25 Fox Rd, Waltham, MA 02451

    Contact for pricing
    4,000 sqft

    Flex space for sale located off I-95 with proximity to MBTA commuter rail and regional amenities.

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    High-Bay Warehouse with Mezzanine
    High-Bay Warehouse with Mezzanine

    45 Rumford Ave, Waltham, MA 02453

    Contact for pricing
    1,800 sqft

    Warehouse space in a light industrial park with automated overhead doors, restroom facilities, and access to shared parking.

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    Drive-In Workshop Flex Space
    Drive-In Workshop Flex Space

    42 Felton Street # 7, Waltham, MA 02453

    Contact for pricing
    940 sqft

    Ground-floor unit with 10' x 16' overhead door, 9'6" clear height, and a private full bath with shower.

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    Flex Space with Loading Dock
    Flex Space with Loading Dock

    240 Bear Hill Rd, Waltham, MA 02451

    Contact for pricing
    6,754 sqft

    Commercial offering combines office suites with flexible workspace in a multi-use configuration.

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    Standalone Flex Warehouse Building
    Standalone Flex Warehouse Building

    62 Adams St, Waltham, MA 02453

    Contact for pricing
    2,738 sqft

    Standalone flex building offered for sale, suited for storage-related uses and quiet ancillary operations.

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    Warehouse with Drive-In Door
    Warehouse with Drive-In Door

    91 Felton # 1st floor, Waltham, MA 02453

    Contact for pricing
    11,300 sqft

    Open commercial warehouse space with on-site parking, storage and light distribution functionality, plus a dedicated overhead loading door.

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    Flex Condominium Bay with Overhead Doors
    Flex Condominium Bay with Overhead Doors

    28 Summer Avnue 4-a, Waltham, MA 02452

    $809,000
    1,441 sqft

    Commercial flex condominium unit with dual overhead access, dedicated parking, heat, sprinklers, and a private bathroom.

    View details
    Garage and Office Space For Sale
    Garage and Office Space For Sale

    42 Felton St, Waltham, MA 02453

    Contact for pricing
    3,710 sqft

    Garage and office space suitable for various business uses.

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    Industrial Flex Warehouse with Overhead Door
    Industrial Flex Warehouse with Overhead Door

    23-25 Summer Ave, Waltham, MA 02452

    Contact for pricing
    7,200 sqft

    Lower-level flex space with an overhead loading door designed for commercial, industrial, manufacturing, and warehousing uses.

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    Flex Condo Bay For Sale
    Flex Condo Bay For Sale

    28 Summer Avenue #4 & 4A, Waltham, MA 02452

    $1,649,000
    2,881 sqft

    Commercial flex condominium bay with warehouse space and convenient location.

    View details

    Waltham, MA Flex Space Market Trends and Statistics

    Explore 27 flex space for sale in Waltham, MA, showcased through 27 active listings on our real estate platform. These investment opportunities span a total of 158,973 square feet of properties for sale, with an estimated market value of $14,794,000.

    Sale prices for business spaces in Waltham, MA start at $799,000, averaging $1,138,000, and reaching up to $1,950,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Flex space 63
    Manufacturing properties 12
    Distribution centers 2

    Demographics Overview

    Population 65K
    Population Growth (5Y) +2.6%
    Median Household Income $115,286
    College Educated 62.1%

    High-Yield Neighborhoods for Investment

    Identify Waltham submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    02453 $439K
    02452 $1.3M

    Taxes & Financing

    Tax Rate (average for all types) 1.96%
    Property Tax per SF $14.06 per SF
    Tax Rate vs County Average 0.17 pp above county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Middlesex County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Middlesex County

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    • 02453
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