Complete Guide to Electrical Panel Upgrades in Los Angeles Homes

Introduction

Your home's electrical panel is the heart of your electrical system, distributing power to every circuit throughout your property. As Los Angeles homeowners increasingly add electric vehicle chargers, central air conditioning, and modern appliances, many are discovering their existing panels can't keep up with the demand. Whether you're experiencing frequent circuit breaker trips, planning a major renovation, or preparing to sell your home, understanding electrical panel upgrades is essential.

At Shaffer Construction, we've helped thousands of Los Angeles homeowners upgrade their electrical panels to meet modern power demands safely and efficiently. This comprehensive guide will walk you through everything you need to know about electrical panel upgrades, from recognizing the signs you need one to understanding costs, permits, and the installation process specific to Los Angeles.

What is an Electrical Panel Upgrade?

An electrical panel, also called a breaker box or service panel, is the metal box that houses your home's circuit breakers. It receives electricity from the utility company through the main service line and distributes it to individual circuits throughout your home. Each circuit is protected by a circuit breaker that trips to prevent overheating and electrical fires when circuits become overloaded.

An electrical panel upgrade involves replacing your existing panel with a larger, modern panel that can handle increased electrical capacity. The upgrade typically includes installing a new panel with more circuit positions and higher amperage capacity, often requiring coordination with the Los Angeles Department of Water and Power (LADWP) to increase your service line capacity as well.

Modern electrical panels come in various sizes, with the most common being 100-amp, 150-amp, 200-amp, and 400-amp configurations. The size you need depends on your home's total electrical load, which includes everything from lighting and outlets to major appliances like air conditioners, electric ranges, and EV chargers.

Signs Your Los Angeles Home Needs a Panel Upgrade

Recognizing the warning signs that your electrical panel needs upgrading can prevent dangerous situations and costly repairs. Here are the most common indicators that it's time for an upgrade:

Frequent Circuit Breaker Trips: If your breakers trip regularly, especially when using multiple appliances simultaneously, your panel is likely undersized for your home's electrical needs. While occasional trips are normal when circuits are overloaded, constant tripping indicates a systemic capacity problem.

Flickering or Dimming Lights: When lights dim when your air conditioner kicks on or when you use high-powered appliances, this suggests your panel doesn't have sufficient capacity to handle your home's electrical load. This is especially common in older Los Angeles homes during summer months when AC usage peaks.

Burning Smell or Discoloration: Any burning smell near your electrical panel or visible scorch marks on the panel or surrounding wall requires immediate attention from a licensed electrician. These are serious fire hazards that demand professional inspection right away.

Panel is Warm to the Touch: Your electrical panel should never feel hot or warm. If it does, this indicates dangerous overheating that can lead to electrical fires. Contact a professional electrician immediately if you notice this.

Planning to Add Major Appliances: If you're installing a Level 2 EV charger, central air conditioning, swimming pool equipment, or other high-draw appliances, your existing panel may not have the capacity. A load calculation by a licensed electrician can determine whether an upgrade is necessary.

Home Age: Most Los Angeles homes built before 1990 have 100-amp or smaller panels. With modern electrical demands including multiple computers, large-screen televisions, kitchen appliances, and climate control systems, these older panels are typically insufficient. Many homes from this era also contain outdated and potentially dangerous panels like Federal Pacific Electric or Zinsco brands that should be replaced regardless of capacity issues.

Fuses Instead of Breakers: If your home still has a fuse box rather than circuit breakers, it's definitely time for an upgrade. Fuse boxes were phased out decades ago and don't meet current electrical codes or safety standards.

Home Renovations: Any major renovation, especially kitchen or bathroom remodels, typically requires additional circuits and increased electrical capacity. Los Angeles building codes require dedicated circuits for many appliances, which older panels often can't accommodate.

100 Amp vs 200 Amp Panel: Which Do You Need?

The amperage rating of your electrical panel determines how much total electricity can flow to your home at one time. Understanding the differences between panel sizes helps you make an informed decision about which capacity best serves your needs.

100-Amp Panels: Common in Los Angeles homes built before 1980, 100-amp service provides 100 amps of total electrical capacity at 240 volts, which equals 24,000 watts of available power. While this was adequate for homes with fewer electrical demands, most modern Los Angeles homes need more capacity. A typical 100-amp panel can support basic lighting, standard appliances, and a central air conditioning system, but struggles when multiple high-draw devices operate simultaneously.

200-Amp Panels: Today's standard for most residential installations, 200-amp service provides double the capacity at 48,000 watts. This accommodates modern electrical loads including central air conditioning, electric vehicle chargers, pool equipment, and all standard household circuits with room to spare. Most Los Angeles building inspectors and electricians recommend 200-amp service as the minimum for any home upgrade to ensure adequate capacity for current and future needs.

Calculating Your Needs: A licensed electrician performs a load calculation to determine your home's total electrical demand. This calculation considers square footage, major appliances, air conditioning, heating, and any planned additions like EV chargers or solar panels. In Los Angeles, where air conditioning is essential and EV adoption is growing rapidly, most load calculations result in recommendations for 200-amp service minimum.

400-Amp Service: Larger homes, properties with extensive outdoor features like pools and outdoor kitchens, or homes with multiple electric vehicle chargers may require 400-amp service. This is particularly common in luxury homes throughout Beverly Hills, Pacific Palisades, and other upscale Los Angeles neighborhoods.

Future-Proofing: Even if your current electrical load calculation suggests 100 amps might suffice, upgrading to 200 amps makes sense for most Los Angeles homeowners. The cost difference is relatively small, and the increased capacity ensures you won't need another expensive upgrade when you add an EV charger, solar panels, or other electrical improvements in the future.

The Panel Upgrade Process in Los Angeles

Understanding the step-by-step process for electrical panel upgrades in Los Angeles helps you know what to expect and plan accordingly. At Shaffer Construction, we handle every aspect of the upgrade process to ensure a smooth, code-compliant installation.

Step 1: Professional Assessment and Load Calculation
The process begins with a comprehensive electrical assessment by a licensed electrician. We inspect your existing panel, evaluate your home's current electrical usage, and perform a detailed load calculation to determine the appropriate panel size. This assessment identifies any additional electrical issues that should be addressed during the upgrade.

Step 2: Design and Permit Application
Once we determine the proper panel size and configuration, we prepare detailed plans and submit a permit application to the Los Angeles Department of Building and Safety (LADBS). All electrical panel upgrades in Los Angeles require permits - there are no exceptions. The permit application includes electrical plans, load calculations, and specifications for the new panel installation. Permit approval typically takes one to two weeks.

Step 3: LADWP Coordination
If your upgrade requires increasing your main service size (for example, from 100 amps to 200 amps), we coordinate with LADWP to upgrade your service connection. This involves requesting a service increase and scheduling LADWP to install appropriate metering equipment and, if necessary, upgrade the service line from the street to your home. LADWP coordination can add two to four weeks to the project timeline, but Shaffer Construction manages this entire process on your behalf.

Step 4: Installation
On installation day, our licensed electricians arrive with all necessary materials and equipment. The installation typically takes one to two days, depending on the complexity. We disconnect power from your existing panel, install the new panel in the same or an improved location, connect all existing circuits to the new panel with properly sized breakers, install any additional circuits required by code, and ensure all connections meet current National Electrical Code and California Title 24 requirements.

Step 5: Inspection and Approval
After installation is complete, an LADBS electrical inspector visits your property to verify the work meets all code requirements. We coordinate the inspection and are present to answer any inspector questions. Once the inspector approves the installation, they sign off on the permit and your upgrade is officially complete.

Throughout this entire process, Shaffer Construction communicates with you regularly about timeline, any unexpected issues, and when your power will be temporarily disconnected during installation. We handle all coordination with LADBS and LADWP so you don't have to navigate the bureaucracy yourself.

Permits and Los Angeles Building Code Requirements

Every electrical panel upgrade in Los Angeles requires a permit from the Los Angeles Department of Building and Safety. This isn't optional - it's a legal requirement that protects your safety, ensures proper installation, and maintains your home's value. Understanding permit requirements helps you avoid common pitfalls and ensures your upgrade is done correctly.

Why Permits Matter: Electrical permits ensure your panel upgrade meets current National Electrical Code (NEC) and California Title 24 building standards. Permitted work is inspected by qualified city inspectors who verify safe installation. Unpermitted electrical work can result in fines from LADBS, difficulty selling your home (disclosure requirements mandate reporting unpermitted work), insurance claim denials if electrical issues cause damage, and being required to tear out and redo unpermitted work when discovered.

Los Angeles Code Requirements: All new panel installations must include arc-fault circuit interrupter (AFCI) protection for circuits serving bedrooms, living rooms, and most habitable spaces. Ground-fault circuit interrupter (GFCI) protection is required for circuits serving bathrooms, kitchens, garages, outdoor areas, and other wet locations. Panels must have proper grounding and bonding to ensure safety. All panels must be readily accessible and properly labeled to identify each circuit.

Permit Application Process: Licensed electrical contractors like Shaffer Construction pull permits on behalf of homeowners. The application includes detailed electrical plans, load calculations demonstrating adequate capacity, contractor license information, and permit fees based on project scope. Most panel upgrade permits cost between 200 and 500 dollars depending on the work's complexity.

Inspection Requirements: After installation, an LADBS electrical inspector performs a final inspection to verify code compliance. The inspector checks panel installation quality and location, proper circuit sizing and breaker ratings, correct AFCI and GFCI protection, adequate grounding and bonding, and compliance with all current electrical codes.

Risks of Unpermitted Work: Some homeowners are tempted to skip permits to save money or avoid delays. This is always a mistake. Unpermitted electrical work is illegal in Los Angeles and can result in serious consequences. Shaffer Construction always obtains proper permits for every job because we understand the importance of code compliance and protecting our clients' interests.

Cost of Electrical Panel Upgrade in Los Angeles

The cost to upgrade an electrical panel in Los Angeles typically ranges from 2,500 dollars to 6,000 dollars or more, depending on several factors. Understanding what influences these costs helps you budget appropriately and avoid unexpected expenses.

Basic Panel Replacement: Simply replacing an existing 100-amp panel with a new 200-amp panel in the same location, with no service upgrade required, typically costs between 2,500 and 4,000 dollars. This includes the new panel and breakers, labor for installation, permit fees, and final inspection.

Service Upgrade: If your upgrade requires increasing the main service capacity (which most do), expect costs between 4,000 and 6,000 dollars or more. This includes everything in a basic replacement plus coordination with LADWP, potential service line upgrades from the street, new metering equipment, and additional labor for service entrance modifications.

Factors Affecting Cost: Several variables influence the final cost of your panel upgrade. Panel size and capacity play a role - 200-amp panels cost more than 100-amp panels, and 400-amp service costs significantly more than 200-amp service. Distance from the street to your panel affects costs if service line upgrades are needed. Panel location and accessibility matter - panels in difficult-to-access locations or requiring relocation cost more. Additional electrical work such as repairing code violations, upgrading circuits, or adding new circuits increases total costs. The number of circuits impacts price since panels with more circuit positions and breakers cost more.

Additional Potential Costs: Some upgrades require additional work that adds to the base cost. Trenching for underground service lines can add 1,000 to 3,000 dollars. Meter relocation, if LADWP requires moving your meter, adds 500 to 1,500 dollars. Main service line upgrades from the street to your home can cost 2,000 to 5,000 dollars or more. Correction of existing code violations discovered during inspection adds variable costs depending on the issues.

Long-Term Value: While panel upgrades represent a significant investment, they provide substantial long-term value. You gain increased safety and reduced fire risk, the ability to add modern appliances and EV chargers, improved home resale value (modern electrical service is a strong selling point), potential insurance premium reductions with updated electrical systems, and peace of mind knowing your electrical system is safe and code-compliant.

At Shaffer Construction, we provide detailed written estimates that break down all costs so you know exactly what to expect. We never surprise clients with hidden fees or unexpected charges. Our estimates include all labor, materials, permits, and coordination with LADWP.

LADWP Coordination and Service Upgrades

When upgrading your electrical panel's capacity, coordination with the Los Angeles Department of Water and Power is often necessary. Understanding this process helps you plan timeline expectations and avoid surprises.

When LADWP Coordination is Needed: Any time you increase your main service capacity - for example, from 100 amps to 200 amps - LADWP must upgrade their service connection to your home. This typically involves installing new metering equipment rated for the higher amperage and potentially upgrading the service line from the transformer to your meter.

Requesting Service Increase: Licensed electrical contractors like Shaffer Construction submit service upgrade requests to LADWP on your behalf. The request includes your permit number from LADBS, electrical plans showing the new panel configuration, and load calculations justifying the increased capacity. LADWP reviews the request and schedules the necessary upgrades.

Timeline Considerations: LADWP service upgrades typically add two to four weeks to your project timeline. During peak periods, this can extend longer. Shaffer Construction submits LADWP requests early in the permitting process to minimize delays. We coordinate closely with LADWP to schedule their work in alignment with our installation schedule.

Underground vs Overhead Service: Los Angeles properties receive electrical service either through overhead lines (common in older neighborhoods) or underground conduits (typical in newer developments and areas with underground utilities). Underground service upgrades are generally more complex and expensive than overhead upgrades due to trenching and conduit work. However, underground service is more reliable and aesthetically preferable.

Cost of LADWP Service Upgrades: In most cases, LADWP performs your first service upgrade at no charge. This is one of the few benefits of the higher electrical rates Los Angeles residents pay. However, if your property requires extensive service line work or if you've had previous service upgrades, LADWP may charge for the upgrade. Shaffer Construction clarifies any potential LADWP charges during the initial assessment.

Temporary Service Disconnection: During the service upgrade process, LADWP must temporarily disconnect your electrical service. This typically occurs for just a few hours while they install new metering equipment and connect the upgraded service lines. Shaffer Construction coordinates this disconnection to minimize inconvenience, often scheduling it during our panel installation when your power would be off anyway.

Frequently Asked Questions

How long does a panel upgrade take?

From initial consultation to final inspection, a typical panel upgrade in Los Angeles takes three to six weeks. This includes time for permit approval (one to two weeks), LADWP coordination if needed (two to four weeks), actual installation (one to two days), and final inspection (usually within one week of requesting). Shaffer Construction can sometimes expedite the process for urgent situations, but building department and utility timelines are largely outside our control.

Do I need to leave my home during the upgrade?

No, you don't need to leave your home during a panel upgrade. However, your power will be completely shut off during the installation, which typically takes one to two days. This means no electricity for lights, refrigeration, air conditioning, or any electrical devices. We recommend planning accordingly - perhaps scheduling the work during cooler months if you rely heavily on air conditioning, arranging alternative food storage if necessary, and having flashlights or battery-powered lights available.

Will my power be off during installation?

Yes, your entire home's power must be shut off during panel installation for safety reasons. Electricians cannot safely work on the panel while it's energized. The power outage typically lasts for the full installation period - usually six to twelve hours for a straightforward upgrade, or one to two days for more complex installations involving service upgrades or significant electrical repairs. Shaffer Construction provides specific timing so you can plan accordingly.

Can I upgrade my panel myself?

No. California requires licensed electricians to perform all electrical panel work. Attempting to upgrade your own panel is illegal, extremely dangerous, and will void any permits. Moreover, LADBS won't issue permits to unlicensed individuals for panel upgrades, and LADWP won't perform service upgrades without proper permits and licensed contractor involvement. Panel work involves working with high-voltage electricity that can cause severe injury or death if improperly handled. Always hire a licensed, insured electrical contractor like Shaffer Construction for this critical work.

What happens if I don't upgrade an outdated panel?

Continuing to use an undersized or outdated electrical panel creates several risks. The most serious is increased fire risk from overloaded circuits and overheating connections. You'll experience ongoing inconvenience from frequent circuit breaker trips. You won't be able to add modern appliances like electric vehicle chargers without overloading your system. Your insurance company may refuse to insure a home with known outdated panels like Federal Pacific or Zinsco brands. You'll face disclosure requirements and potential deal-breakers when trying to sell your home.

Will a panel upgrade increase my home's value?

Yes, an updated electrical panel increases home value and marketability. Buyers view modern 200-amp electrical service as a significant benefit, particularly in Los Angeles where EV charging capability is increasingly important. Homes with outdated panels often receive lower offers as buyers factor in the cost and inconvenience of necessary upgrades. A modern, code-compliant electrical panel is a strong selling point that can differentiate your property in competitive markets. While you may not recoup 100 percent of the upgrade cost in increased sale price, you'll avoid the larger price reductions that come with outdated electrical systems.

Conclusion

Your electrical panel is one of the most critical components of your home's infrastructure. As Los Angeles homeowners embrace electric vehicles, advanced home technology, and modern appliances, ensuring your electrical panel can safely handle increased demands is essential. Whether you're experiencing warning signs like frequent breaker trips and flickering lights, planning to add major electrical loads, or simply want the peace of mind that comes with a modern, code-compliant electrical system, a panel upgrade is a smart investment in your home's safety, functionality, and value.

The process of upgrading an electrical panel in Los Angeles involves careful assessment, proper permitting through the Los Angeles Department of Building and Safety, coordination with LADWP for service upgrades, professional installation by licensed electricians, and final inspection to ensure code compliance. While this may seem complex, working with an experienced electrical contractor like Shaffer Construction ensures every step is handled professionally and efficiently.

Don't wait until an electrical emergency forces your hand. If your home shows any signs of needing a panel upgrade, or if you're planning electrical improvements that require additional capacity, now is the time to act. Contact Shaffer Construction at 323-642-8509 or email hello@shaffercon.com to schedule your comprehensive electrical assessment. Our licensed electricians will evaluate your current panel, calculate your home's electrical load, provide a detailed written estimate, and handle all permitting and LADWP coordination. Visit www.shaffercon.com to learn more about our comprehensive electrical panel upgrade services and other residential electrical services throughout Los Angeles. Your home's safety and electrical reliability are too important to leave to chance - trust the experienced professionals at Shaffer Construction for your panel upgrade needs.