Boulder limits the percentage of a lot that can be covered by impervious surfaces and structures. Residential lots typically allow 40 to 60% coverage.
Boulder zoning code limits maximum lot coverage, defined as the percentage of a lot covered by buildings, driveways, patios, and other impervious surfaces. Typical residential limits are 40 to 60% depending on zoning district and lot size. Lot coverage calculations include primary structures, accessory buildings, paved areas, and covered patios. Permeable pavers may receive partial credit in some jurisdictions. Exceeding lot coverage requires a variance. Stormwater management requirements may apply to highly impervious lots.
Exceeding lot coverage: correction required. May need to remove impervious surface. Fines $200 to $1,000.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Boulder, CO
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Boulder, CO
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Boulder, CO
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Boulder, CO
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Boulder, CO
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Boulder, CO
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