Zoning board approves Costco warehouse variances unanimously
Southborough's Zoning Board unanimously approved variances for a Costco warehouse at 21 Coslin Drive, clearing restrictions needed to handle a 40-foot grade change. The board granted relief for 31-foot retaining walls and 36.5-foot light poles instead of the 20-foot maximum. No residential abutters
Zoning Board of Appeals · Meeting of July 15, 2026
Southborough's Zoning Board unanimously approved variances for a Costco warehouse at 21 Coslin Drive, clearing restrictions needed to handle a 40-foot grade change. The board granted relief for 31-foot retaining walls and 36.5-foot light poles instead of the 20-foot maximum. No residential abutters border the property, and lighting design incorporates dark-sky compliance.
In separate votes, the board modified a 1965 variance to allow a garage at 6 Walker Street within six and a half feet of the property line and approved a draft two-family dwelling bylaw for Select Board submission. A special permit hearing for a two-lot subdivision at 0 Northboro Road was continued to August 12 pending Town Counsel review of frontage issues.
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Source: the Zoning Board of Appeals meeting of July 15, 2026, compiled from the official minutes.
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