100 Borthwick AvePortsmouth, NH 03801

Property Details for 100 Borthwick Ave

Year built

1978

Construction

STEEL FRAME

Lot size

12.77 AC

Property size (Sq ft)

33,870 SF

Zone code

OR

Property type

Banks

APN

PRSM M:0259 B:0015 L:

APU

PRSMM0259B0015L

Description

This exceptional two-story office building, located at 100 Borthwick Avenue in Portsmouth, New Hampshire, offers 47,745 square feet of premium executive office space. Currently, 42,827 square feet is available for lease, with flexible suite sizes ranging from a minimum of 1,748 square feet to a maximum contiguous space of 13,027 square feet. The building, constructed in 1978, sits on an expansive 8-acre lot and is zoned OR - Office Research, providing ample opportunity for a variety of businesses. The property boasts ample parking for tenants and employees, along with convenient elevator access for ease of movement between the two floors. The building is ideally situated in Portsmouth, NH, with the address being 100 Borthwick Ave, zip code 03801. This location offers excellent accessibility and visibility within Rockingham County. Multiple tenancy options are available, making this property suitable for businesses of various sizes and needs. Interested parties should inquire about the available spaces and lease terms. This is a rare opportunity to secure high-quality office space in a desirable Portsmouth location.

• CAP approach

  CAP return

  Valuation

  6%

  $6,407,120

  6.5%

  $5,914,270

  7%

  $5,491,820

• Comparable approach

  Method

  Valuation

  Relative Method

  $4,602,470

  Geo Method

  $4,602,470

• Alternative Use

  Use

  Valuation

  Industrial / Distribution

  $11,533,400

  Mixed-Use / Specialty

  $5,893,180

  Hospitality / Lodging

  $4,323,640

  Office

  $5,858,170

  Institutional / Educational

  $6,126,530

  Residential Income

  $7,168,040

  Multifamily

  $8,596,970

  Automotive / Energy

  $5,251,320

  Parking / Income-Based Land

  $1,812,160

  Restaurant / Food Service

  $3,065,090

  Healthcare / Senior Housing

  $6,043,350

Location Insight

City

Portsmouth

County

Rockingham

State

New Hampshire

Latitude

43.0602

Longitude

-70.7938

CBSA code

14460

CBSA name

BOSTON-CAMBRIDGE-QUINCY, MA-NH METROPOLITAN STATISTICAL AREA

Property Tax & Assessments

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