Outdoor Stone Fireplace – Cost Guides in 2021

There is nothing better than spending a cozy night surrounding the flickering fire, sipping a hot cup of tea or coffee under a star-full sky with family and friends on cool evenings. The soft light and the warmth of fire bring us such relaxing feelings that nothing is better. Whether you want to custom an outdoor fireplace kit or build a fire pit in your backyard, it could also be the best idea that creates an awesome space for most of us to run away from the hustle and bustle of life pressure.

An outdoor fireplace can improve your home’s value and add more functions to your patio backyard. According to a survey of The National Centre for Real Estate Research, a fireplace add 12% value to your home, including both outdoor and indoor fireplaces. In turn, you can figure out that building an outdoor fireplace would be a great long-term investment in your property.

You can save your time and money by searching for a professional in this field to install a stunning outdoor fireplace design for your outdoor room. Keep reading – the information below will give you both ideas, costs, and where you could find landscapers for your fireplace project.


  • Cost Factors of Installing Outdoor Fireplace
  • Average Costs of Outdoor Fireplaces Installation
  • Outdoor Fireplace Costs by Fuel Types
  • Outdoor Fireplace Costs by Material
  • Additional Products to Outdoor Fireplaces Costs
  • Create Outdoor Stone Fireplace Step by Step
  • Professional of Building Outdoor Fireplace



It is far from possible to say an exact price for creating an outdoor fireplace in your living backyard. There is a large amount of bottom line to install a perfect outdoor fireplace that makes your outdoor space as cozy as any corner of indoors. It might be easy to find out the core material of a fireplace kit. However, understanding every piece of the component which affects the final costs will help you save your budget noticeably.



All the factors you need to consider include the size of the fireplace kit, the core material, the cladding material, fuel type, additional accessories for the fireplace kit.


The size of a fireplace plays as the greatest cost factor. You need to consider whether the outdoor fireplace is the main attraction of your yard home or just an accessory to choose the right fireplace kit size for your backyard. The larger the outdoor fire-box is, the more material and building costs it requires. However, your outdoor fireplace project shouldn’t be too small that will be overlooked out of your outdoor room and not produce enough heat and space for wood to fire.

Core material

Depending on your options of core material for your fireplace kit, the price to build an outdoor fireplace will vary differently. Whether you desire a stone, brick, or metal fireplace, try to find the cost of each material or discuss your options with your landscaping professional.

Cladding-stone material

Almost all outdoor fireplace projects should use stone as a cladding layout to protect from environmental factors. Because of that, if homeowners want to design high-quality stone cladding, the cost will rise followed by its quality.

Fuel type

You need to make a choice of what you plan to use to fire your fireplace: natural gas, propane, wood, or electricity. All alternatives have their advantages and the price of each choice is distinct as well. Keep reading to find out the price information of each fuel type.

Additional Accessories

Some homeowners want to add more features to their outdoor fireplace space. A wall built surrounding your fireplace or built-in seatings to this wall is also a great choice. Other people like to add up wood storage boxes, fireplace fire-box, or funnel extensions for their outdoor fireplace projects. Therefore, the price of each accessory will change the final cost of your fireplace kit, depending on your alternatives.



The price to build an outdoor firebox is not limited, but only your budget! Its cost can vary from $150 to $20,000 and can be up to the most expensive with $50,000. The newest average price people expect to pay in 2021 for installing a fireplace kit is between $5,000 and $15,000, depending on all factors discussed above. An unfinished fireplace kit could range from $2,000 to $7,000.

unfinished kit

If you look for a prefabricated fireplace, the cost is much less expensive. The standard price for labor expense of a prefabricated fireplace kit is around $300 to $1,000 with that the contractors usually charge $650 on average. And the average price for a fireplace kit is from $1,000 to $5,000. A large stone kit can rise up to $9,000.

For a custom-built fireplace project, the price will be certainly higher. You will expect to pay for the type of material,design work, and labor expense. This means the more elaborate you want for the kits, the price for your working project will quickly rise. The general hourly rate for a customized project will range between $70 and $150 per hour.

However, keep in mind that this hourly rate is just a labor cost. You must expect the beginning price to buy an outdoor fireplace kit with $8,000 and up to $20,000. Also, if you prefer to design more features on your fireplace areas, like adding a chimney, oven, kitchen product, or customing patios under the fireplace kit, the price would be easy to go up to over $100,000.

Feel free to contact us for a free estimate for the beginning cost!

Also, it is necessary to remember that these costs don’t include concrete slabs or pavers built surrounding your outdoor fire-box room.

Outdoor Fireplace Costs by Fuel Types

Natural gas burning. If you prefer gas as the fuel source for your kits, the newest price for a gas fireplace kit is between $800 and $6,000. Using gas-burning, which doesn’t require a vent, also saves you a great amount of money. That means it’s easy to install an outdoor fire-box without paying for a funnel.

Using natural gas is also the best choice for areas which is restricted from using woods for burning. Gas produces safer and cleaner fire for all people who visit your home.

Propane. The average price of an outdoor fire-box using propane ranges from $300 to $5,000.

Wood burningThe average costs of wood-burning fireplaces are more likely expensive than other fuels. You would look for the national average rate of $10,000 and up to the top of $20,000 for a kit using woods for fuel.

Electric. Electric fireplaces range from $300 to $5,000 with an average of about $2,600 for one kit.

Outdoor Fireplace Costs by Material

The average cost of stone fireplaces is about $11,000 and its amount can range between $1,500 to $20,000 depending on the size and quality of the stone you use for the outdoor fireplace kit. You would pay exactly higher than $20,000 if there are marble mantels instead of a general stone.

Other material you can exam for includes brick and metal (like stainless steel). The price of a brick fireplace kit ranges the same amount as the stone one: $1,500 – $20,000. The metal fireplaces are less expensive than others, just range from $150 to $500 with an average of about $350.

Additional Products to Outdoor Fireplaces Costs

The firewood storage box is a functional feature to combine your outdoor fireplace room with your backyard. It can be designed to add to anywhere in your landscape yard. The minimum price for a firewood storage box can be $150 and up to $1300. You can see the list of product prices right here.

The chimney is required in some living areas because of their building regulations, especially when you make a wood-burning fireplace. A prefabricated chimney would range from $1000 to $2000; on the other hand, a customized one costs about $150 per square foot on average.



Creating an outdoor stone fireplace is a big project that requires plenty of skills, labor, and time. You certainly can build for your own home a kit by following the steps we’re planning to discuss here. It can take you several hours, or weeks to finish this project. The following information is for reference only; however, it would always be better to contact an expert to help you own the best results for your home landscape.

Step 1: Establish a design and specify whether you use a wood-burning or gas fireplace kit. You need to measure the height, width, depth, and length of the kit and the area where you place it. Create the fireplace design for your outdoor. You need to consider whether it is relevant to indoor designed features and other spaces.

Step 2: Build a Concrete Foundation and Lay Concrete. You need to pour the concrete into your surface yard and lay concrete blocks followed your design. Adding mortar in each block and remember to leave a blank space on the top for the chimney.

Step 3: Attach cement or plasterboard to the frame. Using the saw to cut all the boards with their size fitted the place on the frame which is indicated on your design. Fix them by using a drill along with screws.

Step 4: Applying mortar. Mix and apply mortar to cement boards. If you’re not sure how to mix the mortar well, you can look up the instructions for use printed on its package. Remember to add them on sections one by one to avoid drying them before placing rocks.

Step 5: Place the stone into the mortar. Keep repeating the process of adding mortar and placing the stone until there is no space left between each one.

Step 6: Attach the chimney. When you finish the process of installing an outdoor stone fireplace, the next step is certainly adding a chimney cap. However, most of the vent-ducts are made from metal which would hurt you, even bleeding. Unless you wear a protective glove and have experience with this, you should hire an expert to do it for you.


Due to the development of technology, you can easily search the list of professionals of best installing an outdoor fireplace with a large number of reviews on the Internet. In which, you can exam whether that company is good or bad enough to make the right choice for your living house. No one wants to waste their money and time on the worst address.

Green Arbor Landscaping is renowned as a 35-year qualified and experienced landscaping company. Since 1998, Green Arbor has offered various services packages and serves customers all around Bothell, Issaquah, Renton, Maple Valley, Bellevue, and the surrounding communities. The products Green Arbor serving are diversified.See the list of our products.

Click here for more information!

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