My first fire pit was a classic “good enough” circle of random stones I found around the yard. It looked fine from ten feet away, right up until it leaned like a tired shopping cart and started spitting ash out the gaps.
This version is the one I wish I built first: a stable, permanent, attractive stone fire pit using the same landscaping blocks you can grab at any big box store. No fancy cuts. No mortar. Just a solid crushed-stone base, careful leveling, and a clean stacked look you can knock out in a weekend.
Before you start: safety and local rules
Fire pits are simple, but they are not casual. Spend five minutes here and you will avoid 90 percent of the headaches later.
- Check your local code and HOA rules. Clearances, permits, burn bans, and allowed fuels vary a lot. Some areas also require a screen/spark arrestor or specify max fuel load and pit size.
- Call 811 before you dig. Even a shallow base can hit something important.
- Keep it away from anything that can burn. Treat “10 to 20 feet” as a starting point, not a rule. Many places require at least 10 to 25+ feet from structures and property lines. When in doubt, go farther and follow local requirements.
- Create a non-combustible zone. If your pit is on grass, add a gravel or paver “halo” so stray embers do not turn your lawn into a crispy surprise.
- Use a metal fire ring. It protects the blocks from direct flame and extends the life of the pit.
- Be picky about what sits inside the fire. Avoid unknown stone and standard concrete or masonry products in the firebox. Moisture-trapping rocks (often including river rock) can crack or pop when heated. For maximum durability, use a steel ring plus a fire-rated liner (firebrick or refractory panels) if you want a “built like a tank” interior.
If you only take one thing from this guide: build on a proper crushed, compactable base and use a ring. Everything else is just making it pretty.
Budget and size: the sweet spot under $200
To keep this under $200, we are aiming for a common, efficient size:
- Outside diameter: about 44 to 52 inches (varies with block style)
- Inside diameter: about 30 to 36 inches
- Height: 10 to 16 inches (2 to 3 courses of block)
This size burns well, feels cozy with 4 to 6 chairs, and does not eat your whole yard.
Typical cost breakdown
- Landscape blocks (24 to 36): $60 to $140
- Steel fire ring (30 to 36 inch): $25 to $60
- Crushed base (paver base) and leveling sand: $15 to $40
- Optional: exterior masonry adhesive: $8 to $12
- Optional upgrade: firebrick or refractory liner: varies (can push you over $200, but it is the best durability add-on)
Prices swing by region. If you are trying to stay tight to $200, pick a budget block (often “mini wall” block) and keep the pit to two courses.
Materials and tools
Materials
- Landscape retaining wall blocks, “fire pit” blocks, or garden wall blocks (enough for 2 to 3 layers). These are often concrete and that is fine for the outer wall when protected from direct flame by a ring.
- Steel fire pit ring (match to your intended inside diameter)
- Crushed, angular base material (often sold as paver base, 3/4 inch minus)
- Leveling sand (or stone dust, depending on your preference)
- Optional: landscape fabric (helps with weeds)
- Optional: masonry adhesive rated for exterior use (see notes in Step 10)
- Optional: firebrick or refractory liner panels (for the inner wall if you want maximum heat resistance)
Tools
- Shovel
- Hand tamper (rent or buy, or use a heavy steel tamper)
- 4-foot level (a 2-foot works, but longer is easier)
- Rubber mallet
- Measuring tape
- Stake and string, or a can of marking paint
- Hand broom
- Wheelbarrow (nice to have)
- Gloves and eye protection
Base material note: Use crushed, angular paver base that compacts. Do not use pea gravel or rounded rock for the base. It rolls, it settles, and it will make you question your life choices.
Pick the spot and lay out the circle
Step 1: Choose a flat-ish spot
Flatter is cheaper because you will move less dirt. Also think about wind and smoke. If your usual breeze pushes smoke toward your patio door, you will hate your new fire pit.
Step 2: Mark the footprint
Place the fire ring where you want the pit. Then dry-lay a single course of blocks around it to visualize spacing. When it looks right, you are going to mark two things: the outside edge of the first course and the dig line.
A simple method:
- Set the ring down where you want it.
- Measure from the center and mark a circle using a string tied to a stake.
- Dry-lay blocks around the ring until the circle looks even.
- Mark the outside edge of the blocks (this is your finished outside diameter).
- Mark your excavation line about 2 to 4 inches outside that edge so you have working room for base material.
You want room for the blocks plus a little working space. That extra couple inches makes leveling the first course much less miserable.
Dig and build a base that will not move
This is the unglamorous part, but it is where a “permanent” fire pit is made.
Step 3: Dig down 6 to 8 inches
Remove sod and soil inside your excavation line. Aim for a flat bottom. If you want the finished pit to sit lower and feel tucked-in, dig a little deeper.
Cold climate note: In freeze and thaw areas, or if you have soft soil, go thicker on the base. Many hardscape specs call for 8 to 12 inches of compacted base under patios and walls. You do not always need that much for a small fire pit, but if your yard heaves and shifts every winter, add base depth now and save yourself a re-level later.
Step 4: Add landscape fabric (optional) and crushed base
If weeds are aggressive in your yard, lay landscape fabric. Then add 4 to 6 inches of crushed, angular base material.
Compact the base in 2 inch lifts:
- Add 2 inches of base.
- Tamp it hard.
- Repeat until you hit your depth.
If you skip compacting, the blocks can settle unevenly after a few rains.
Step 5: Add a 1 inch leveling layer
Top the compacted base with about 1 inch of leveling sand (or stone dust). Screed it flat with a board, then check with a level. You will do the final fine-tuning while setting the first course.
Thrifty note: I used to eyeball this step. That was a mistake. A slightly wavy base turns the first course into a slow-motion argument with gravity.
Dry-fit the first course and get it level
Step 6: Set the first ring of blocks
Start with one block, then work around the circle. Keep the blocks tight and consistent. If your blocks are wedge-shaped, follow the manufacturer’s intended orientation.
Step 7: Level each block, then level the whole circle
This is the step that makes the rest of the project feel easy.
- Set a block.
- Check level side-to-side and front-to-back.
- Tap it down with a rubber mallet or add a little sand under low corners.
- Move to the next block.
After a full circle, lay your level across multiple blocks in several directions. Adjust until the entire ring is level.
If you are new to this, here is a simple truth: you cannot “fix it later” with the second course. The first course is the foundation.
Add the ring and stack the courses
Step 8: Place the steel ring
Center the steel ring inside the first course. You want a little gap between ring and block so heat is not directly transferred into the masonry. Many rings are designed to sit inside with an air gap. Follow the ring’s instructions.
Step 9: Stack the second course with staggered joints
For strength and looks, stagger the seams like brickwork. If your blocks have a lip (common on retaining wall blocks), you may need to flip the second course so the lip does not force the wall to taper the wrong direction. Dry fit first.
Step 10 (optional): Glue upper courses only
If you want a more permanent feel, use an exterior-rated masonry adhesive between courses above the first course. I usually leave the first course unglued so the base can drain and the pit can be adjusted later if needed.
Heat note: Many “landscape block” adhesives are not high-temperature products. Keep adhesive away from the inner edge and anywhere it could see direct flame or intense radiant heat. If you are unsure, skip adhesive entirely and rely on gravity plus good leveling.
Step 11: Decide on height
- 2 courses: budget-friendly, easy to cook over, plenty for most backyards
- 3 courses: more wind protection, more “built-in” look, slightly higher cost
Finish the inside and around the pit
Step 12: Add drainage rock inside
Fill the bottom inside the ring with a few inches of gravel for drainage. This helps water drain and keeps the bottom from becoming a muddy ash soup after rain.
If you plan to add firebrick or a refractory liner, follow the product’s directions and keep drainage in mind. Water sitting in the bottom is not your friend.
Step 13: Dress up the perimeter
This is where it starts looking intentional. Pick one:
- Simple: rake soil back to the outside edge and seed the grass
- Cleaner: add a ring of gravel around the outside
- Best upgrade: create a small paver pad for chairs
If your yard is soft, a gravel “halo” around the pit keeps chair legs from sinking and saves your lawn from becoming a dirt donut. It also gives you that non-combustible zone for ember peace of mind.
First burn: do this once
Give any adhesive time to cure per the label, usually 24 to 48 hours depending on weather.
- Start with a small, gentle fire for the first burn.
- Avoid stacking logs so high that flames lick over the top course.
- Keep a bucket of water or a hose nearby, plus a shovel for stirring and spreading coals.
If you notice a block rocking, fix it now. A 5 minute adjustment today beats rebuilding a crooked course next month.
Common mistakes (I have made most of these)
- Skipping compaction: the pit settles and tilts after a few rains.
- Using rounded gravel for the base: it will not lock together and it loves to move.
- Building too small inside: a cramped burn smokes more and is harder to manage. Aim for 30 inches or more inside if you can.
- No fire ring: blocks crack sooner, and heat damage shows up fast.
- Using the wrong stone inside: moisture-trapping rocks can pop when heated. Use a ring and consider a fire-rated liner if you want maximum durability.
- Not thinking about smoke: the “perfect” spot becomes the “never again” spot.
FAQ
Do I need mortar?
Not for this style. A compacted crushed-stone base and a well-leveled first course do most of the work. Adhesive between upper courses is optional.
How deep should the base be?
Plan for 4 to 6 inches of compacted crushed base plus about 1 inch of leveling sand. In frost areas, on soft soil, or if you want extra insurance, go thicker on the compacted base (often 8 to 12 inches).
Can I build this on pavers or concrete?
Yes, as long as the surface is level and non-combustible. Still use a fire ring, keep a non-combustible zone around it, and confirm local rules for heat clearance.
How many blocks do I need?
It depends on block size and your diameter. A common setup is 24 to 30 blocks for two courses. My best advice is to measure block face length and do the math: circumference (outside) divided by block face length, then add a couple extra blocks for wiggle room.
Simple under-$200 shopping list
If you want a quick “buy this and go” plan, here is a solid starting point:
- 24 to 30 mini retaining wall blocks
- 1 steel fire ring, 30 to 36 inches
- 6 to 8 bags of paver base (common 0.5 cu ft bags), or one scoop from a landscape yard
- 2 to 4 bags of leveling sand (common 0.5 cu ft bags)
- 1 tube exterior masonry adhesive (optional)
Once you build the base right, the rest is basically adult Legos. Take your time on that first course, keep the ring centered, and you will end the weekend with the kind of backyard feature that makes your house feel like home.
Quick maintenance
- Scoop ash regularly once it is fully cold. A thick ash layer holds moisture and speeds up rust.
- Check level once a year after winter or heavy rain. If a block starts rocking, fix it early.
- Expect to replace the ring eventually. The ring does the hard job. When it rusts through, swap it and keep the pit going.
About Marcus Vance
Content Creator @ Grit & Home
Marcus Vance is a lifelong DIY enthusiast and self-taught home renovator who has spent the last decade transforming a dilapidated 1970s ranch into his family's dream home. He specializes in budget-friendly carpentry, room-by-room renovations, and demystifying power tools for beginners. Through his writing, Marcus shares practical tutorials and hard-learned lessons to help homeowners tackle their own projects with confidence.