Attic insulation cost in Lafayette, LA
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (1,000 sq ft)
- $910 – $3,700
- Per sq ft
- $0.90 – $3.70
- before permit
- Versus US midpoint
- −8%
- US $2,500
- Rank of 300 metros
- #287
- 1 = most expensive
If you want to insulate an attic in Lafayette, plan on $910 to $3,700 for 1,000 sq ft, all in. Per sq ft, that is $0.90 to $3.70 for materials and labor, with the permit on top. The local midpoint runs 8% lower than the national one. Insulation workers, floor, ceiling and wall earn a median of $21.19 an hour in the Lafayette area, 10% below the US median of $23.62.
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Estimated cost for 1,000 sq ft in Lafayette, LA, standard level
$1,750 to $2,850
About $1.75 to $2.85 per sq ft before permits. Labor is about 35% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $1,100 | $1,900 |
| Labor | $650 | $930 |
| Permits and fees | $0 | $0 |
| Total | $1,750 | $2,850 |
Cost breakdown for 1,000 sq ft in Lafayette, LA
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $470 | $1,500 | $2,550 | 65% |
| Labor | $440 | $790 | $1,150 | 35% |
| Permits and fees | $0 | $0 | $0 | 0% |
| Total | $910 | $2,300 | $3,700 | 100% |
Where the Lafayette price comes from
Labor is 35% of the midpoint bill here, against 36% nationally. The mix of trades behind this job is insulation workers, floor, ceiling and wall (80%), construction laborers (20%). We weight each trade's local median wage by that share and compare it with the national median. In Lafayette the blended ratio comes out at 0.88.
On the materials line, the BEA goods price index for the Lafayette metro is 93.7 (US = 100). The midpoint materials bill for 1,000 sq ft comes to $1,500, compared with $1,600 at national prices. Permit and inspection fees are scaled by the broader index (87.2) and land at $0 to $0.
Lafayette labor market for attic insulation
Wages are the part of this estimate that changes most from town to town. 2 trades carry the job here, and each is compared with its US median. The weighted result for Lafayette is 0.88 times the national level.
Insulation workers, floor, ceiling and wall (47-2131), 80% of the weighting: a median of $21.19 an hour, 10% below the US median of $23.62. The middle half of them earn between $21.19 and $21.19 an hour. About 100 work in the metro. That is 5.6 per 10,000 jobs, compared with 2.9 nationally, which suggests plenty of local crews to bid.
Construction laborers (47-2061), 20% of the weighting: a median of $18.57 an hour, 18% below the US median of $22.66. The middle half of them earn between $16.31 and $22.95 an hour. About 1,780 work in the metro. That is 99.1 per 10,000 jobs, compared with 70.5 nationally, which suggests plenty of local crews to bid.
Quotes come from real crews, not medians. If the insulation workers, floor, ceiling and wall on your job are paid at the 75th percentile ($21.19 an hour) instead of the median, the labor line grows by about $0. At the 25th percentile ($21.19) it shrinks by about $0. The total moves by 0.0% or 0.0%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 179,570 jobs in the Lafayette area. That makes it the 129th largest of the 300 metros we cover, with 0.12% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Insulation workers, floor, ceiling and wall (47-2131) | 80% | $21.19 | $21.19 | $21.19 | $23.62 | 0.90 | metro |
| Construction laborers (47-2061) | 20% | $16.31 | $18.57 | $22.95 | $22.66 | 0.82 | metro |
| Blended | 100% | 0.88 | |||||
Why two Lafayette quotes can differ
Removing old insulation
Old, wet or pest-damaged insulation has to come out first, at extra cost.
Type of insulation
Blown-in is $0.90-$2.40 per sq ft and loose-fill is $1.00-$2.50 installed; spray foam costs more (HomeGuide).
Job size
Small attics start around $500 and large ones go up to $6,000 (HomeGuide).
How Lafayette compares
Of the five closest metros, none is cheaper than Lafayette. Houma comes closest at about $2,350.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Lafayette, LAthis page | $910 – $3,700 | $2,300 | |
| Lake Charles, LA65 miles | $950 – $3,800 | $2,350 | +3% |
| Baton Rouge, LA70 miles | $940 – $3,750 | $2,350 | +3% |
| Houma, LA90 miles | $930 – $3,750 | $2,350 | +2% |
| Alexandria, LA95 miles | $930 – $3,750 | $2,350 | +2% |
| Beaumont, TX125 miles | $950 – $3,800 | $2,350 | +3% |
| Louisiana (statewide) | $940 – $3,750 | $2,350 | +2% |
| United States | $1,000 – $4,000 | $2,500 | +9% |
Across 300 US metros, Lafayette comes in at #287 from the top. The priciest is San Francisco, CA at $3,150; the cheapest is Morgantown, WV at $2,250 (midpoints, 1,000 sq ft). Statewide, Lafayette is 2% below the Louisiana figure.
Other Louisiana metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| New Orleans, LA | 445,550 jobs | $940 – $3,750 | $2,350 | +2% |
| Baton Rouge, LA | 409,690 jobs | $940 – $3,750 | $2,350 | +3% |
| Shreveport, LA | 162,750 jobs | $880 – $3,600 | $2,250 | −3% |
| Lake Charles, LA | 101,690 jobs | $950 – $3,800 | $2,350 | +3% |
| Slidell, LA | 98,240 jobs | $940 – $3,750 | $2,350 | +2% |
| Monroe, LA | 87,500 jobs | $930 – $3,750 | $2,350 | +2% |
Cities with a workforce like Lafayette's
Big cities and small ones price differently, so here is Lafayette against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Davenport, IA | 180,450 jobs | $1,050 – $4,050 | $2,550 | +10% |
| Sioux Falls, SD | 178,590 jobs | $940 – $3,800 | $2,350 | +3% |
| Asheville, NC | 180,620 jobs | $930 – $3,800 | $2,350 | +3% |
| Anchorage, AK | 177,050 jobs | $1,100 – $4,400 | $2,750 | +20% |
Planning more than one job in Lafayette?
Because every project leans on different trades, Lafayette's wage level does not move all prices equally. Against the US midpoint, window replacement runs −10% and vinyl siding −13%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Roof replacement | 2,000 sq ft of roof | $5,350 – $11,100 | −11% |
| Metal roof | 2,000 sq ft of roof | $8,850 – $29,100 | −11% |
| Vinyl siding | 2,100 sq ft of wall | $7,300 – $21,900 | −13% |
| Window replacement | 10 windows | $4,000 – $13,600 | −10% |
| Gutters | 160 linear ft | $1,150 – $3,800 | −10% |
Cost by quality level and size in Lafayette
Three bands are cut from the same cited range and localized for Lafayette wages and prices. They overlap on purpose: a good standard job and a modest premium job can cost the same. The grid below prices the same bands at 3 common sizes.
Basic
$910 to $2,000
Blown-in fiberglass or cellulose to code R-value
Standard
$1,750 to $2,850
Higher R-value with air sealing around fixtures
Premium
$2,550 to $3,700
Spray foam or heavy air sealing, hard-to-reach attic
| Size | Basic | Standard | Premium |
|---|---|---|---|
| small attic (600 sq ft) | $550 – $1,200 | $1,050 – $1,700 | $1,550 – $2,200 |
| average attic (1,000 sq ft) | $910 – $2,000 | $1,750 – $2,850 | $2,550 – $3,700 |
| large attic (1,800 sq ft) | $1,650 – $3,650 | $3,150 – $5,100 | $4,600 – $6,600 |
Get 3 local quotes
Tell us about the job and we will try to connect you with up to three local contractors for written quotes. It is free and you are under no obligation to hire. Your estimate of $1,750 to $2,850 for Lafayette, LA is attached.
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The report lays out the attic insulation numbers for Lafayette, LA line by line, with the local wage and price inputs, permit and timing notes, a quote comparison sheet and the full method. Save your estimate above, preview page 1 free, and unlock the full report for $9 one-time, or get every report with CostLocal Pro.
Attic insulation in Lafayette: your questions
+How much does it cost to insulate an attic in Lafayette?
For 1,000 sq ft, expect $910 to $3,700 in the Lafayette area. A standard-spec job lands at $1,750 to $2,850. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for attic insulation in Lafayette?
About $0.90 to $3.70 per sq ft for materials and labor, plus $0 to $0 for the permit if one is needed. The US range is $1 to $4.
+Is attic insulation cheaper in Lafayette or Lake Charles?
Lake Charles is 65 miles away. The midpoint for 1,000 sq ft there is $2,350, which is 3% more than Lafayette ($2,300). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Lafayette?
About 35% at the midpoint, or $790 out of $2,300. Materials are 65% and permits 0%. Nationally, labor is 36%.
+What would average attic (1,000 sq ft) cost in Lafayette?
$910 to $3,700. Pick a different size in the estimator above to get your own number.
+Does attic insulation need a permit in Lafayette?
Often, but rules are set by your city or county building office, so call before you hire. Budget $0 to $0 for fees in the Lafayette area (our national range of $0 to $0 scaled by the local price level).
+Is Lafayette expensive for attic insulation compared with the rest of Louisiana?
Lafayette is 2% below the Louisiana statewide estimate ($2,350 at the midpoint). We cover 9 metros in Louisiana; see the state page to compare them.
+What do insulation workers, floor, ceiling and wall earn in Lafayette?
The BLS median is $21.19 an hour in the Lafayette area, compared with $23.62 nationally. The 25th to 75th percentile range is $21.19 to $21.19.
+What do basic and premium attic insulation work cost in Lafayette?
For 1,000 sq ft, basic work runs $910 to $2,000 and premium work $2,550 to $3,700. Basic means: blown-in fiberglass or cellulose to code R-value. Premium means: spray foam or heavy air sealing, hard-to-reach attic.
Attic insulation near Lafayette
Where these numbers come from
Base prices are national ranges from the sources below. We scale labor by local BLS wages, materials by BEA goods prices and permits by the BEA all-items price level. Full method on the methodology page.
- HomeGuide: How Much Does Attic Insulation Cost? (2026) (accessed November 4, 2026)
- BLS Occupational Employment and Wage Statistics, May 2025
- BEA Regional Price Parities, 2024
Note on derived figures: Materials = installed price minus HomeGuide's $0.50-$1.30 per sq ft insulation labor, matched low-to-low and high-to-high.