How Much Does It Cost to Enclose a Porch? [2026 Data]

In 2026, the national average cost to enclose a porch is $17,820, based on 2,981 verified projects from Angi Pros. Most homeowners pay between $8,701 and $28,366, with the spread driven by enclosure type, materials (screens versus glass), and project size. For a more extensive build—like a fully insulated, year-round sunroom—costs can climb as high as $50,000, so it's worth knowing your goals before you budget.

Porch Enclosure Cost by Square Foot: By Size

Porch size is the single biggest driver of enclosure cost, and the range widens considerably as square footage grows. Most porch additions for average U.S. homes fall between 150 and 200 square feet, while larger homes can reach 350 square feet or more. The table below shows how costs scale across common porch sizes:

Porch Enclosure Cost by Type: By Design

There are three main types of enclosed porches, and the type you choose is the primary cost factor after size. Screened enclosures are the least expensive option, followed by three-season porches, which add glass but no insulation. Four-season porches are fully insulated with glass or solid walls and represent the highest-cost option. A good way to choose is to think about when you want to use the space — screened works for summer, three-season covers spring and fall, and four-season gives you year-round comfort:

General Contractor Costs: Daily Rates

Hiring a general contractor simplifies the process by giving you a single point of contact for billing and scheduling. A general contractor charges a percentage of the total project cost — often around 20% — which typically works out to $300 to $700 per day, depending on crew size. Working with one contractor rather than managing multiple trades separately is often worth the premium for a project of this scope.

Architect Costs: Hourly Rates

An architect is worth considering if you plan to build a more substantial porch enclosure. Expect to spend around $140 per hour on the cost of hiring an architect, or 8% to 15% of the total project cost. If the design is relatively straightforward, a junior architect at $70 to $90 per hour can deliver what you need at a lower rate.

Electrician Costs: Common Charges

Upgrading a porch to a year-round enclosure with a proper foundation typically requires a licensed electrician to handle all new wiring. Basic porches may only need a socket or two, but a full build-out involves more extensive electrical work. Common electrical costs for a porch enclosure include:

• Installing an outlet: $300

• Adding a light fixture: $500

• Rewiring: $6,000

• Installing a light switch: $150

Porch Enclosure Cost Factors: What Affects the Price?

If your enclosure includes glass, you will need to hire a glass professional, with primary pros running $80 to $130 per hour and additional workers costing $40 to $90 per hour. Bundling this labor through a general contractor often reduces the overall cost. Several other factors — from demolition to permits and insurance — can also shift your final price.

Demolition and Prep

Most porch enclosure projects require minimal demolition — often nothing more than removing a few posts — but prep work is still an essential step before construction begins. Wooden porches in particular need a thorough inspection to confirm every structural piece is in sound condition. Skipping this step can lead to costly repairs once the enclosure is already underway.

After that, you'll need to follow some other tasks, including:

• Measure the porch down to the millimeter. Make sure to measure the height from the ground.

• Bring plans and photos to the permit office to make sure your idea is within the code.

• Source materials early if you plan on DIYing an enclosure.

• Thoroughly clean the porch area. For wooden porches, consider a power wash and a reseal and re-stain.

Permits

A screened-in porch may not require a permit, but an enclosed porch that functions as a room in your home often does under local building regulations. Requirements vary by municipality, so confirm what applies to your project before work begins. Check with your contractor or contact your local permit office directly if you are managing the project yourself.

Home Insurance and Taxes

Enclosing a porch can affect both your homeowner's insurance premiums and your property taxes. A temperature-controlled enclosure is typically classified as livable space, which increases your home's assessed square footage and value. That added value is a financial benefit if you sell, but it also means higher ongoing insurance and tax costs to factor into your budget.

Why You Should Hire a Pro to Enclose a Porch

While it's not without risk, avid DIYers can install a simple screened enclosure on their porch. However, despite the possibility of saving roughly 20% of the cost, more involved projects, such as a permanent screened, three-season, or year-round enclosure, have additional requirements, including potential structural modifications, electrical wiring, insulation, and more. Each of these is subject to meeting building and energy code requirements, as well as permits and inspections, making the job best left to the expertise of a professional sunroom contractor.

Here's Why It's Ideal to Hire a Porch Enclosure Pro

Building a porch enclosure is a complex and demanding project, so here's why you should hire a pro:

• Licensed pros ensure your project meets building codes, zoning laws, and permit requirements.

• They handle all aspects of the build and will assume the project management role for the entire project.

• Your contractor will schedule the necessary subcontractors, source the required materials, and handle the inspection requirements.

• Experts can recommend the best materials and design for your climate and home style.

• Pros have access to crews and equipment to handle any task related to the project.

• Reputable contractors provide warranties for their work and the materials they use.

• DIY errors can cause potentially costly repairs down the road.

If You Want to DIY a Porch Enclosure

If your contractor is building your porch enclosure, there are still some tasks you can be involved with, including:

• Remove furniture, debris, planters, and small structures from the porch.

• Search for and choose some styles or colors for materials.

• Light demo work, if your contractor approves, such as removing old screens, railings, or trim, before work begins.

• Discuss options with your contractor that allow you to perform some of the finishing work, such as painting, after the build.

Tips to Reduce Cost When Enclosing a Porch

For complicated enclosures with several materials, you can shave some points off the top by:

• Installing energy-efficient windows and insulation.

• Pouring your own foundation if you have prior experience.

• Filing for your own permits and double-checking them to avoid fees.

• Choosing a simple design with inexpensive fixtures.

• Using recycled materials.

• DIYing any labor that isn't specialized (if the contractor allows it).

Does Enclosing a Porch Increase Home Value?

The return on investment (ROI) on enclosing a porch is about 40% to 60% for most projects. Depending on the enclosure, this often equates to an increase in your home's value of 3% to 10%.

Other than hard numbers, adding an enclosure can significantly increase the usability and enjoyment of a home. In many ways, this is far more important than an increase in price, especially if you plan on living there for several years. If the time does come when you want to sell, a screened-in porch is an added bonus to an otherwise open space—one that many buyers will appreciate.

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’ve surveyed thousands of 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. 

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