100 Borthwick Ave Portsmouth, NH 03801-4115
Property profile & analytics
100 Borthwick Ave, Portsmouth, NH 03801-4115
- Banks
- 33,870 SF
- 12.77 lot acres
Property ID
US58-0559549
The Realmo ID is a unique identifier assigned to every property, incorporating country codes and precise geo-coordinates for 300x300-foot land blocks. It enables standardized data collection and seamless integration of disparate sources such as ownership, tax, title data and physical specifications. By aggregating current and historical records, the Realmo ID powers advanced analytics and delivers deep, verifiable insights for real estate professionals.
Location Intelligence
Current Use by Public Records
- Money Management International (MMI) / Law Firm / Accounting Firm
Property Details for 100 Borthwick Ave
- Year built
- 1978
- Construction
- STEEL FRAME
- Lot size
- 12.77 lot acres
- 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.
Value Estimations
based on Realmo’s proprietary methodology
-
AI approach
- Method
- Estimation
- Statistic approach
- $8,900,000
- ML approach
- $8,900,000
-
Alternative Use
- Use
- Estimation
- OFFICE BUILDING
- $6,240,000
Get a detailed, property-specific estimation — fast and free
Location Insight
- Map
- Local Demand
- City
- Portsmouth
- County
- Rockingham
- State
- New Hampshire
- Longitude
- -70.7938
- Latitude
- 43.0602
- CBSA code
- 14460
- CBSA name
- BOSTON-CAMBRIDGE-QUINCY, MA-NH METROPOLITAN STATISTICAL AREA
Property Tax & Assessments
Tax date
Tax Amount
Assessed Land Value
Assessed Improvement Value
Total Assessed Value
Applied Tax Rate
Land Market Value
Improvement Market Value
Total Market Value
2023
$116,073
$1,279,900
$5,916,200
$7,196,100
-
$0.00
$0.00
$0.00
