45 William St
+0.1%vs the Greenwich ZIP median sale $/ft² ($920)
Sales Performance
5 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Ownership & Financing
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Greenwich School District
Neighborhood · ZIP 06830These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 45 William St
How many units are in 45 William St, Greenwich, CT?
45 William St, Greenwich, CT has 2 residential units across built in 1868, according to county assessor records.
What is a unit at 45 William St, Greenwich, CT worth?
The median TopHap Estimate across the 2 units at 45 William St, Greenwich, CT is $2,381,559. That works out to $921 per square foot. Units run from 2,032 to 3,058 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 45 William St, Greenwich, CT expensive for Greenwich?
Units at 45 William St, Greenwich, CT carry a median of $921 per square foot, 0% above the Greenwich median of $920 per square foot.
How often do units sell at 45 William St, Greenwich, CT?
0 units at 45 William St, Greenwich, CT sold in the last 12 months, out of 5 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
More homes on William St
- 14 William St # B$1.7M3 bd · 3.5 ba · 2,788 ft² · Sold $1.5M · Jan 2025
- 45 William St # A$1.7M3 bd · 2.5 ba · 2,032 ft² · Sold $1.2M · Mar 2022
- 55 William St3 bd · 4 ba · 2,449 ft² · Sold $775K · Oct 2021
- 53 William St # B$1.2M3 bd · 2 ba · 1,744 ft² · Sold $710K · Aug 2021
- 14 William St # A$1.6M3 bd · 3.5 ba · 2,788 ft² · Sold $288K · Sep 2020
- 49 William St # A$1.7M2 bd · 3.5 ba · 2,516 ft² · Sold $944K · Sep 2020
- 75 William St6 bd · 5.5 ba · 3,706 ft² · Sold $2.7M · Jun 2020
- 68 William St$1.7M3 bd · 1.5 ba · 1,310 ft² · Sold $515K · Jan 2019
- 30 William St$1.2M3 bd · 2.5 ba · 1,816 ft² · Sold $394K · Dec 2014
- 73 William St$1.2M4 bd · 2 ba · 1,404 ft² · Sold $750K · Jun 2014
- 79 William St$3.3M5 bd · 4.5 ba · 3,250 ft² · Sold $1.9M · Nov 2012
- 49 William St # B$1.7M2 bd · 3 ba · 2,174 ft² · Sold $960K · Jan 2010
Closest homes
- 45 William St$1.7M0 ft · 3 bd · 2.5 ba · 2,032 ft² · Sold $1.2M · Mar 2022
- 49 William St$1.7M48 ft · 2 bd · 3 ba · 2,174 ft² · Sold $960K · Jan 2010
- 49 William St$1.7M48 ft · 2 bd · 3.5 ba · 2,516 ft² · Sold $944K · Sep 2020
- 53 William St$1.2M145 ft · 3 bd · 2 ba · 1,744 ft² · Sold $710K · Aug 2021
- 53 William St$1.2M145 ft · 2 bd · 2 ba · 1,704 ft² · Sold $800K · Dec 2005
- 16 Northfield St$1.1M194 ft · 2 bd · 2 ba · 1,188 ft² · Sold $775K · Feb 2023
- 62 William St$1.1M164 ft · 2 bd · 1 ba · 1,316 ft² · Sold Jan 1900
- 18 Northfield St$998K229 ft · 2 bd · 1 ba · 829 ft² · Sold $115K · Jun 2004
More homes in Greenwich 06830
- 85 Indian Field Rd$4.5M5 bd · 2.5 ba · 2,983 ft² · Sold $4.5M · Sep 2026
- 38 Byfield Ln$3.3M5 bd · 4.5 ba · 4,150 ft² · Sold $3.3M · Sep 2026
- 21 Windrose Way$10M6 bd · 8 ba · 8,990 ft² · Sold $1.5M · Sep 2026
- Nimitz Pl0.23 ac · Sold $2.2M · Sep 2026
- 150 Prospect St$759K2 bd · 2.5 ba · 1,366 ft² · Sold $760K · Sep 2026
- 94 Londonderry Dr$3.1M4 bd · 5.5 ba · 3,983 ft² · Sold $3.2M · Sep 2026
- 21 Perkins Rd$3M4 bd · 2.5 ba · 3,447 ft² · Sold $27M · Sep 2026
- 26 Circle Dr$3.9M4 bd · 4.5 ba · 3,849 ft² · Sold $3.8M · Sep 2026
- 138 N Water St$890K2 bd · 2.5 ba · 1,406 ft² · Sold $970K · Sep 2026
- 135 Josephine Evaristo Ave4 bd · 2 ba · 2,874 ft² · Sold $1.5M · Aug 2026
- 25 Field Point Cir$10M6 bd · 8 ba · 9,565 ft² · Sold $17M · Aug 2026
- 20 Church St$1.1M1 bd · 1.5 ba · 1,248 ft² · Sold $310K · Aug 2026
Assigned schools
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