DIY Wooden Fence Cost Calculator in Illinois
For Illinois homeowners, a DIY fence usually comes down to getting the posts right so the rest of the build stays straight for years. Tallying up materials on a 150 linear ft, 6 ft privacy fence, you will spend around $1,550–$3,100 for pressure-treated pine, $3,100–$5,200 for cedar, or $4,700–$7,200+ for redwood. Illinois gets freeze-thaw cycles that can work shallow posts loose, and many areas have clay-heavy soil that expands and contracts around footings. That means proper depth, enough concrete, and careful alignment matter more than rushing through the digging stage.
Material choice matters too. Pine is the most affordable path, but it will need maintenance and benefits from keeping pickets off the ground and water away from the base. Cedar or redwood costs more up front but can be easier to live with over time, especially in wet springs and hot summers. Illinois sales tax is noticeable on a large material order, so your checkout total will run a bit higher than in lower-tax states. Before buying anything, check local permit requirements and verify the fence line, especially on urban lots and corners.
Fence Length
Total Length: 150 linear ft
Quality Tier
Materials
Cost Breakdown
| Material | Qty | Unit Price | Total |
|---|---|---|---|
| Posts & Footings | |||
| Fence Posts (4x4x8) | 21 post | $23.97 | $503.37 |
| Concrete Mix (Fast-Setting) | 42 bag | $7.97 | $334.74 |
| Rails | |||
| Fence Rails (2x4x8) | 8 pack | $30.28 | $242.24 |
| Pickets & Panels | |||
| Fence Pickets / Panels (6 ft. H) | 360 picket | $4.00 | $1,440.00 |
| Fasteners | |||
| Fence Screws (Exterior Coated, 1-5/8 in.) | 4 pack | $26.97 | $107.88 |
| Materials Subtotal | $2,628.23 | ||
| Sales Tax | $164.26 | ||
| Total | $2,792.49 | ||
| $18.62 per linear ft | |||
* Estimates are approximate and based on national average material prices adjusted for your state. Actual costs may vary depending on local supplier pricing, project complexity, and contractor rates.
Shopping List for Install a Wooden Fence
- Fence Posts (4x4x8)Mid21 post
3.5 in. x 3.5 in. x 8 ft. Redwood Corner, End Fence Wood Post
Out of stock? Search for similar products
3.5 in. x 3.5 in. x 8 ft.; rough-sawn redwood; naturally rot- and insect-resistant; suitable for burial 2 ft below grade, 6 ft above
- Concrete Mix (Fast-Setting)42 bag
50 lb. bag; yields approx. 0.375 cu. ft. of mixed concrete; sets in 20–40 min; 4000 PSI at 28 days
- Fence Rails (2x4x8)Mid8 pack
Mendocino Forest Products 2 in. x 4 in. x 16 ft. Construction Common Redwood Lumber
Out of stock? Search for similar products
1.5 in. x 3.5 in. x 16 ft. each; construction common redwood; naturally rot-resistant; sold as 4-pack (~$7.57/rail)
- Fence Pickets / Panels (6 ft. H)Mid360 picket
Outdoor Essentials 19/32 in. D x 5-1/2 in. W x 6 ft. H Cedar Dog-Ear Fence Picket
Out of stock? Search for similar products
0.594 in. x 5.5 in. x 6 ft.; dog-ear top; actual face width 5.5 in.; above-ground rated; naturally rot-resistant cedar
- Fence Screws (Exterior Coated, 1-5/8 in.)4 pack
DECKMATE #8 x 1-5/8 in. Tan Star Flat-Head Wood Deck Screw (5 lb. / ~619-Piece)
1-5/8 in. length x #8 diameter; star drive; flat head; ACQ-compatible exterior coating; 5 lb. package (~619 screws)
Project Assumptions
- •Fence height is 6 ft (3 horizontal rails per section: top, mid, bottom).
- •Post spacing is 8 ft on center.
- •Posts are set in concrete footings.
- •Gates are not yet priced — gate and hardware costs scale with the number of gates needed.
- •Post caps are included on all posts.
- •No grading, removal of existing fence, or permit costs are included.
- •Coverage rates include a 10% waste factor.
Frequently Asked Questions
How deep do fence posts need to be set in Illinois?
The Chicago area code typically requires footings at 42 inches, and most northern Illinois jurisdictions match that requirement. Downstate around Springfield or Carbondale the frost depth is more moderate — around 24 to 30 inches. For a 6 ft fence, 2 ft of post burial is the standard minimum, but in northern Illinois you should dig to at least 36–42 inches and confirm the local code requirement. Frost heave in a Chicago winter can push a shallow-set post completely out of plumb in one season.
Is a permit required to install a fence in Illinois?
Fence permit requirements in Illinois are set at the municipal level, and rules vary widely. Chicago and its suburbs often require zoning permits for 6 ft privacy fences, with setback requirements from property lines, sidewalks, and corner sight-lines. In Chicago specifically, the Chicago Zoning Ordinance governs fence heights and locations — check with your alderman's office or the city's zoning department. Downstate cities have their own ordinances, so always confirm with your local jurisdiction before purchasing materials.
What fence material handles Illinois's cold winters and hot, humid summers?
Illinois's climate swings from sub-zero winters to humid 90°F summers — the freeze-thaw cycling and summer moisture are both hard on wood fences that aren't maintained. Use ground-contact rated posts throughout, keep wood fences stained and sealed annually, and inspect for any posts that have heaved after each winter. Vinyl is a practical choice for Illinois homeowners who want to avoid the seasonal maintenance cycle — it handles freeze-thaw cycling well and requires no staining.