Valued at more than $433 million, the town’s top 10 taxpayers range from an international corporation to a utility company’s land and equipment to a country club and a private horse farm, along with a mix of shopping centers, offices and apartment buildings.
They are part of a more than $4.8 billion grand list of taxable property in Ridgefield, complied by town assessor Al Garzi for the 2019-20 fiscal year.
The town’s top ten taxpayers and their assessed values, according to Garzi, are: 
1.) Boehringer Ingelheim (pharmaceutical research facility), valued at $309,943,425;
2.) Eversource (utility assets) assessed at $24,744,350;
3.) Equity One Inc. (Copps Hill Plaza shopping center) worth $19,390,000;
4.) Stephen J. Zemo(commercial and multifamily properties) totaling $13,523,150;
5.) Ridgefield Professional Office (Pond’s Edge Medical offices), assessed at $12,869,570;
6.) Ridgefield Waterside Properties LLC (BMW dealership), $11,907,970;
7.) Flat Rock Corporation (Silver Spring Country Club), $11,428,770;
8.) JFM Realty Associates LLC (Pambianchi properties) totaling $10,108,740;
9.) Harrison, E. Hunter (Ridgebury horse farm), $9,719,428; 
10.) Eureka V LLC (Bennetts Pond property, undeveloped land) assessed at $9,366,88.