Whole House Rewire Cost in Portland 2026
Whole House Rewire in Portland costs between $8,474 and $26,483 in 2026, with the average around $14,830. Portland pricing runs roughly at the US national average. Replacement of all outdated wiring throughout the home with new copper romex, boxes, outlets, switches, and grounding to meet current code. Includes wall access, patching, and inspection.
What whole house rewire includes in Portland
Replacement of all outdated wiring throughout the home with new copper romex, boxes, outlets, switches, and grounding to meet current code. Includes wall access, patching, and inspection.
Typical time on site: 3 to 7 days. Local labor rate: $31/hour for an experienced electrical pro.
What changes the price of whole house rewire in Portland
- Home square footage
- Number of circuits
- Wall and ceiling access
- Drywall repair after
- Permits and inspections
A whole house rewire quote priced off statewide averages will be off by 10 to 20 percent for Portland, because the metro has its own labor pool, material delivery distances, and permit timelines.
Portland climate and demand for electrical
Cold coastal climate on Casco Bay with heavy snow loads, aggressive freeze-thaw cycling, and salt-air exposure that pushes corrosion-resistant materials and elevated shoreland-zone flood detailing.
Portland permits for whole house rewire
Building department: City of Portland Permitting & Inspections Department. https://www.portlandmaine.gov/349/Permitting-Inspections
Typical permit cost: $100 - $3,000 residential. Inspection time: 15-30 business days. Portland rule: Maine has no statewide general-contractor license, but Portland enforces some of the state's strictest local rules, including coastal shoreland-zoning setbacks and multiple locally designated historic districts that require design review before permits issue.
Maine sales tax and licensing for Electrical
Maine sales tax: 5.5% (no local addition). Real property labor exempt. Service Provider Tax (5.5%) applies to specific listed services.
State license: Maine does not require state-level GC license; trades (plumbing, electrical) require state license, no statewide license, local registration required.
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