260 Arsenal Street — Sale in Watertown, MA

  • Price: Contact for price
  • Listing type: For sale
  • Asset type: Office
  • Location: Watertown, MA 02472
  • Year built: 1988

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Description

JLL is pleased to present the opportunity to acquire 260 Arsenal Street (the “Property), a ±4.89-acre infill site improved with a 96,960 square foot flex/R&D building in the heart of Watertown’s Arsenal Corridor. With both tenants scheduled to vacate by December 2027, 260 Arsenal offers a rare opportunity to gain vacant control of a premier asset ripe for reposition/redevelopment within one of Greater Boston’s most sought after, institutionally controlled submarkets. The Property offers multiple pathways to value: re-tenant the existing improvements and capture immediate cash flow; reposition the building to lab/R&D/advanced-manufacturing use on the strength of its 2,500-amp electrical service and 305-space parking field (3.15/1,000 SF); or pursue ground-up residential or commercial redevelopment. 260 Arsenal currently carries in-place income through December 2027, providing cash flow to offset carry costs during any planning and entitlement process. The Property represents a rare chance to acquire infill land with hard to-replicate infrastructure, interim income, and multiple paths to stabilization within an institutionally validated submarket experiencing accelerating demand and constrained supply.

Market Context

This office in Watertown, MA is listed for sale. The building dates to 1988. Compare it against other office listings for sale in Watertown, MA — view the full market.

As of Q2 2026, the Boston office market showed average asking rents near $46.99/SF/yr, and rents up 2.7% year over year. Source: multiple brokerage reports, Q2 2026.

Rising rents point to a competitive market where well-priced, well-located assets trade quickly.

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