Wondering what rewiring a house costs in Washington, D.C.? Discover what influences pricing and what to expect when updating your home’s electrical system.
How Much Does Rewiring a House Cost in Baltimore? [2026 Data]
Electrical service costs depend on your project and location. Check with a local pro for your specific job.
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Highlights
The cost of rewiring a Baltimore home depends on layout, home size, materials, wiring condition, and accessibility.
Homeowners can expect to pay $2 to $4 per square foot for rewiring in Baltimore, with older homes often costing more due to hidden wiring and outdated components.
Electrician labor averages $50 to $100 per hour plus 6% Maryland sales tax on materials.
Electricians must be licensed by the county and carry liability and workers' comp insurance.
From Baltimore’s historic row homes to its renovated townhouses, rewiring is a common project that homeowners need to budget for. Rewiring a house in Baltimore costs $1,676 on average, with most projects falling between $737 and $2,651. Home size and age, layout, and accessibility will impact the final price. This guide explains what Baltimore homeowners can expect when budgeting for a rewiring project.
Rewiring a House Cost Factors
If it’s the right time to upgrade your home electrical wiring, here’s a breakdown of what influences the final price.
Home Size
In Baltimore, homeowners can expect to pay between $2 and $4 per square foot to rewire a house, with pricing influenced by the home’s layout, accessibility, and the condition of its current wiring.
| House Size in Square Feet | Average Cost |
|---|---|
| 1,000 | $2,000–$4,000 |
| 1,500 | $3,000–$6,000 |
| 2,000 | $4,000–$8,000 |
| 2,500 | $5,000–$10,000 |
| 3,000 | $6,000–$12,000 |
Materials
In Baltimore, the materials used during a rewiring project can play a major role in determining your final cost. Essentials for this project include wire, outlets, switches, and possibly a panel upgrade if deemed necessary by your electrician.
Investing in higher-quality materials, like fire-rated cabling or smart systems, may raise the price, but they add an additional layer of safety and functionality to a new wiring system.
| Wire Type | Cost per Linear Foot | Description |
|---|---|---|
| NM Cable | $0.40–$0.80 | Features a hot, neutral, and ground wire enclosed in a durable plastic jacket |
| UF Cable | $0.50–$0.75 | A weather-resistant version of NM cable, suited for underground or wet locations |
| THHN/THWN Wire | $0.80–$1.60 | Common in exposed installs or unfinished spaces like garages or near water heaters |
| Coaxial Cable | $0.25–$0.35 | Mostly used for connecting TVs or video devices, though less common in rewiring projects |
| Low-Voltage Wire | $0.25–$0.35 | Runs on low energy, typically for systems like doorbells, security, or thermostats |
Preparation and Cleanup
You can expect to spend up to $500 for post-project cleanup, depending on the electrician’s fee structure. Contractors usually cover simple site preparation, but homeowners should prepare the area by moving furniture, securing valuables, and minimizing the risk of dust or damage.
Electrician Pro Costs in Baltimore
In Baltimore, hiring a licensed electrician requires navigating Maryland’s permit rules, safety standards, and labor costs that can all influence your final price. From electrician fees to local taxes on materials and available warranties, here’s what you should know before rewiring a Baltimore home.
Licensing and Insurance
In Baltimore, all electrical work must be performed by an electrician who’s licensed by the Baltimore County Department of Permits, Approvals & Inspections (PAI) and registered by the county. Additionally, electricians are required to carry general liability insurance and, if they have employees, workers' compensation insurance. Be sure to verify these credentials before you hire.
Hourly Rates and Taxes
Local electricians in Baltimore charge an average of $50 to $100 per hour for labor. In Maryland, a state sales tax of 6% also applies to most materials and taxable services. Be sure to request a detailed estimate that clearly separates labor, materials, and all applicable taxes before starting your rewiring project.
Tipping
Electricians typically don’t expect tips, but a 5% to 10% gratuity can be a kind gesture for excellent service. If you prefer a non-cash way to express your gratitude, a strong review or personal referral goes an even longer way.
Warranties
Electricians often include a one- to five-year warranty that covers installation errors and faulty materials. If you're looking for longer protection, extended warranty plans are often available for a fee, but be sure to review the terms and compare the benefits to the price.
Does Rewiring a House Increase Home Value?
In Baltimore, rewiring your home, especially when it includes the cost of replacing knob and tube wiring and other outdated components, is a worthwhile upgrade that can increase both safety and resale value. The city’s historic rowhomes and early builds often feature outdated wiring that may deter buyers, raise concerns during inspections, or complicate insurance coverage.
Modernizing your home’s electrical system not only reduces safety risks but also signals to buyers that the home has been properly maintained. In Baltimore’s housing market, where charm and age often go hand in hand, rewiring can be a major selling point that helps your home move faster.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
Electrical services reviews from real Angi homeowners in Baltimore, MD
4.6★ avg. • 1.5k total reviews
- Terry K.
Electrical USA did a fantastic job of putting our light fixture that had fallen off the wall back on the wall. Denny, from Electrical USA, called as soon as he received the message from Angi. The tech from Electrical USA was at our house within an hour. The tech was professional, polite, and...
Electrical USA, Inc. - Monique B.
This company did an excellent job. They were curious, very knowledgeable and explained every step of the process. They were very professional and efficient. Additionally they were very competitively priced. I will definitely use this company in the future for my electrical needs.
Wolf Electric LLC - Tiffany P.
Hiring Alba Electric for my Panel Upgrade was the best decision I?ve ever made for my home renovation projects! I have an older row home in the Baltimore area and needed to upgrade the wiring system to make space in my panel for future additions to my electrical service. I hired Alba Electric...
ALBA electric - Chann N.
Excellent experience. He was able to work on my electrical needs the same day I contacted him. Prices are fair, and the service is quick and efficient. Highly recommend!
Reddz - Richard M.
Quick to respond and resolve my electrical problem.
Magothy Electric Company, Inc. - Janet Y.
Time Kyle electric sent an extremely proficient technician to my house. Justin and the other technician (sorry I can't recall his name) where professional, friendly and best of all fixed my electrical issues so I can have lighting in my bathrooms and hallway. They explained to me what...
Tim Kyle Electric Heating & Cooling - Shelley G.
Very professional and knowledgeable about all electrical problems or upgrades Easy to work with and very reasonable pricing
W & M Electrical Service, LLC - Mary T.
Very good customer services and I will refer him to my family and friends who need electrical service.
Point Home Electrical Service - Norbou B.
Prompt professional service with competitive price. Talked to a business lead over video call and he asked lots of questions and wanted to see all the electrical panels, install site, etc. very confident that he had a good install plan with the bid. Signed contract, team of three Did the...
Interconnect Electric - Rosalia S.
Mr. Mokoy came ready to work and repaired my outdoor outlets which stopped working. He also repaired an outdoor light and got it working again. He is knowledgeable, humble and didn't waste time. He also didn't try to cheat me by citing a higher price when he realized I am a solo woman. He was...
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