Whole House Rewiring in Cambridge, MA
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Cost Range
$9,200–$23,000
Local Pros
153 available
Overview
Replace outdated or dangerous wiring throughout your home with modern copper wiring and updated circuits. Essential for homes with knob-and-tube, aluminum, or cloth-wrapped wiring that pose fire hazards.
Cambridge Climate Considerations (cold)
Common Signs You Need Whole House Rewiring
- • Frequent breaker trips
- • Burning smell from outlets
- • Discolored or warm outlet covers
- • Home has knob-and-tube or aluminum wiring
- • Insurance company requiring rewire
- • Lights dim when appliances run
Whole House Rewiring Cost in Cambridge
Low
$9,200
Average
$16,100
High
$23,000
When to Call a Professional
Call a professional when:
Whole-house rewiring is a major electrical project requiring permits, inspections, and expert knowledge of current electrical codes. Never attempt this as DIY.
Electricians in Cambridge
Granite City Electric Supply
Warwick, RI
(401) 732-6066Wayne Electric Inc
Warwick, RI
(401) 253-0296Electric Motor Service
Warwick, RI
(401) 737-2534Airhart Electric
Warwick, RI
(401) 397-3415Founding Member
Premium spot in Cambridge
Ambassador
Lead the Cambridge community
Founding Member
Premium spot in Cambridge
Cambridge Housing Market
Median Household Income
$126,469
Median Home Value
$1,040,500
Median Rent
$2,742/mo
Homeownership Rate
33.7%
Population
117,794
Median Year Built
1948
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track This in PropDoctor
Whole House Rewiring
Date
April 2026
Cost
$16,100
Vendor
Your local pro
Warranty
25-year material warranty
Cambridge average: $9,200–$23,000
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
25-year material warranty
Auto-Checkup Created
"Electrical System Inspection" — every 60 months
Property Health Score
Good
electrical category +20 pts(72 → 92)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Cambridge
Recommended Maintenance Plan — Cambridge, Massachusetts
Key Risks
- • Short but intense heat waves
- • Ice dams
Schedule
Visual inspection (DIY)(DIY)
Professional whole house rewiring
Estimated: $8000–$20000
Emergency inspection for damage
Estimated: $100–$300
Plan for full replacement
Estimated: $24,000–$60,000
Find Help with SmartSearch
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I found 153 electricians in your area. Here are the top results:
Smith & Sons
Connectedelectrician
J&R Home Services
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Related Services in Cambridge
Electrical Panel Upgrade
Upgrade your home's electrical panel to handle modern power demands. Older panels (100 amps or less) can't safely support today's appliances, EV chargers, and HVAC systems.
Outlet & Switch Installation
Install new electrical outlets, switches, or upgrade existing ones. Includes adding outlets where needed, replacing outdated two-prong outlets with grounded three-prong, and installing USB outlets or smart switches.
Circuit Breaker Repair
Diagnose and repair circuit breaker issues including tripping breakers, failed breakers, and buzzing panels. May involve replacing individual breakers or addressing underlying wiring problems.
Massachusetts Regulations
Building Code: IRC 2021 (9th edition MSBC)
Seller Disclosure: Massachusetts does not require a property condition disclosure form but sellers can be liable for concealing known defects. Sellers typically complete a voluntary disclosure.
Natural Disaster Risks: Nor'easters, Hurricanes, Flooding, Blizzards