Downtown Office Suites — Lease in Portsmouth, NH

  • Price: Contact for price
  • Listing type: For lease
  • Asset type: Office
  • Location: Portsmouth, NH 03801

Description

Office | For Lease: 762 - 8,644 SF Two office suites are available for lease in downtown Portsmouth on the recently improved Islington Street. Suite 1E is 762± SF on the 1st floor and is comprised of 2 private offices, a confere Key Facts Total Building SF: 26,107± Available SF: Suite 1E: 762± @ $2,050/month gross; Suite 3: 8,644± @ $15.00 NNN Elevator: Yes Utilities: Municipal water & sewer Natural gas; FHA Zoning: Character District 4 Year Built/Renovated: 1986/2021 Parking: 83 on-site mostly unreserved spaces 2025 NNN Expenses: $10.87 PSF • CAM*: $8.01 • Taxes: $2.86 Specifications Total Building SF 26,107± Available SF Suite 1E: 762± @ $2,050/month gross; Suite 3: 8,644± @ $15.00 NNN Elevator Yes Utilities Municipal water & sewer Natural gas; FHA Zoning Character District 4 Year Built/Renovated 1986/2021 Parking 83 on-site mostly unreserved spaces 2025 NNN Expenses $10.87 PSF • CAM*: $8.01 • Taxes: $2.86 Total Building SF 26,107± Available SF Suite 1E: 762± @ $2,050/month gross; Suite 3: 8,644± @ $15.00 NNN Elevator Yes Utilities Municipal water & sewer Natural gas; FHA Zoning Character District 4 Year Built/Renovated 1986/2021 Parking 83 on-site mostly unreserved spaces 2025 NNN Expenses $10.87 PSF • CAM*: $8.01 • Taxes: $2.86 Andrew Ward Senior Associate Portsmouth License #: 067085 +1 603 206 9655 Call Now +1 603 206 9655 +1 603 617 0252 Call Mobile +1 603 617 0252 License #: 067085

Market Context

This office in Portsmouth, NH is listed for lease. It has been on the market for 176 days. Compare it against other office listings for lease in Portsmouth, NH — view the full market.

As of Q1 2026, the New Hampshire office market showed an 8.8% vacancy rate, and average asking rents near $16.00/SF/yr.

Office market FAQ

Is the New Hampshire office market tightening or softening?
Vacancy is around 8.8% (Q1 2026).

Estimated Market Rate

$1.13/SF/mo – $1.53/SF/mo

Mid: $1.33/SF/mo

Rate estimator only; cost-of-business estimate unavailable.

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