145 Mason St Greenwich, CT 06830
Property Lookup
Property profile & analytics
145 Mason St Greenwich, CT 06830
- Office buildings
- 45,423 SF
- 0.63 lot acres
Property ID
US15-0869982
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
- Global ETF Advisors LLC / Financial Advisor
- Weeden Prime Services / Consultant
- Atlantic Street Capital Management / Financial Advisor
Property Details for 145 Mason St
- Year built
- 1974
- Construction
- CONCRETE
- Lot size
- 0.63 lot acres
- Property size
- 45,423 SF
- Zone code
- CGB
- Property type
- Office buildings
- APN
- GREE M:01 B:1835/S
- APU
- GREEM01B1835S
Description
This exceptional Class A office building at 145 Mason Street in Greenwich, Connecticut, offers 37,602 square feet of newly renovated space, available for lease. Completely renovated in 2022, the two-story building boasts modern amenities and finishes throughout. The property features a redesigned exterior with new operable windows and landscaping, a contemporary lobby with advanced security, and distinctive exterior signage opportunities. Inside, find a new ADA-compliant elevator, modernized restrooms, and highly energy-efficient systems including HVAC, roofing, insulation, and windows. Merv 13 air filtration and tenant-controlled VRF heating and cooling ensure optimal comfort. Ample parking is provided with 121 spaces (106 covered, 15 uncovered, including 3 electric charging stations), offering a 3.2:1000 ratio. The building also includes a full backup generator and high load electrical capacity, along with redundant fiber telecom capacity with dual entry points. The zoning is CGB, and the APN is GREE-000001-000000-001835-S000000. The minimum divisible space is 18,801 square feet, with a maximum contiguous space of 18,801 square feet. This presents a unique opportunity for a single tenant to occupy the entire building or for multiple tenants to occupy portions of this prime Greenwich location. Built in 1974, this property represents the newest office availability in a highly competitive market.
Value Estimations
based on Realmo’s proprietary methodology
-
AI approach
- Method
- Estimation
- ML approach
- $1,405,000
-
Comparable approach
- Method
- Estimation
- AI Estimate
- $3,258,000
Market price range: $1.90M - $6.13M
Get a detailed, property-specific estimation — fast and free
Location Insight
- Map
- Local Demand
- City
- Greenwich
- County
- Fairfield
- State
- Connecticut
- Longitude
- -73.6234
- Latitude
- 41.0274
- CBSA code
- 14860
- CBSA name
- BRIDGEPORT-STAMFORD-NORWALK, CT 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
$219,786
$4,031,790
$14,856,660
$18,888,450
-
$0.00
$0.00
$0.00
