Whole-House Surge Protector in Kensington, MD
Find trusted professionals, understand costs, and track repairs in PropDoctor
Cost Range
$225–$600
Local Pros
129 available
Overview
Install a whole-house surge protection device at your electrical panel to protect all electronics, appliances, and HVAC systems from power surges caused by lightning, utility switching, or internal sources.
Kensington Climate Considerations (mixed humid)
Common Signs You Need Whole-House Surge Protector
- • Electronics damaged during storms
- • Frequent small power surges
- • Expensive electronics or smart home systems
- • Area prone to lightning strikes
- • No surge protection beyond power strips
Whole-House Surge Protector Cost in Kensington
Low
$225
Average
$413
High
$600
When to Call a Professional
Call a professional when:
Whole-house surge protectors connect directly to your electrical panel and require working with live circuits. Always hire a licensed electrician for panel-level work.
Electricians in Kensington
L & M Electric & Plumbing LLC
Alexandria, VA
(703) 750-1222Nasr Electric
Alexandria, VA
(703) 675-1439Carmona Electric LLC
Alexandria, VA
(571) 492-8491Electricians A+ Ratings
Alexandria, VA
(703) 608-8481Founding Member
Premium spot in Kensington
Ambassador
Lead the Kensington community
Founding Member
Premium spot in Kensington
Kensington Housing Market
Median Home Price
$669,000
Homes for Sale
9
Price per Sq Ft
$395
Local Pros
600
Home Service Professionals Near Kensington
Median Household Income
$149,698
Median Home Value
$919,400
Median Rent
$2,105/mo
Homeownership Rate
52.4%
Population
2,248
Median Year Built
1959
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track This in PropDoctor
Whole-House Surge Protector
Date
April 2026
Cost
$413
Vendor
Your local pro
Warranty
10-year material warranty
Kensington average: $225–$600
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
10-year material warranty
Auto-Checkup Created
"Surge Protector Status Check" — every 12 months
Property Health Score
Good
electrical category +8 pts(72 → 80)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Kensington
Recommended Maintenance Plan — Kensington, Maryland
Key Risks
- • High heat & humidity spells
- • Ice storms
Schedule
Visual inspection (DIY)(DIY)
Professional whole-house surge protector
Estimated: $300–$800
Emergency inspection for damage
Estimated: $100–$300
Plan for full replacement
Estimated: $900–$2,400
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I found 129 electricians in your area. Here are the top results:
Smith & Sons
Connectedelectrician
J&R Home Services
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Maryland Regulations
Building Code: IRC 2021
Seller Disclosure: Sellers must complete a Residential Property Condition Disclosure and Disclaimer Statement.
Natural Disaster Risks: Hurricanes, Flooding, Nor'easters