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Passive House mandatory, strictest enforcement. Worcester is known for thorough plan review and strict enforcement. Projects should budget additional time for permit processing and plan revisions.
Worcester Building Code
Edition: 2021 • Base: 780 CMR w/ Worcester amendments
Worcester Multi-Family Passive House Thresholds
Edition: 2024 • Base: Specialized Opt-in Code + PHIUS
Worcester has adopted the Specialized Opt-in Code. All-electric building systems required. HERS rating thresholds apply. Fossil fuel restrictions in effect.
Building permit (ISD), DPW street/utility permits, fire alarm/sprinkler permits, and potentially zoning relief. Major projects may require 8-12 separate permits with 4-8 week processing.
Worcester has extended review times. Residential: 3-6 weeks. Commercial: 6-12 weeks. Zoning relief adds 8-16 weeks.
Building permit fees based on project valuation (typically $15-25 per $1,000). Additional fees for DPW, fire, and specialty permits. Total permit costs: $500-$5,000+ for residential, $5,000-$50,000+ for commercial.
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