Detached garage cost in Baton Rouge, LA
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (576 sq ft)
- $27,000 – $54,200
- Per sq ft
- $46.50 – $93.50
- before permit
- Versus US midpoint
- −7%
- US $43,500
- Rank of 300 metros
- #175
- 1 = most expensive
Baton Rouge homeowners pay roughly $27,000 to $54,200 to build a detached garage at 576 sq ft, or $46.50 to $93.50 per sq ft (permit not included). Against the US midpoint, Baton Rouge is 7% lower. Carpenters earn a median of $26.75 an hour in the Baton Rouge area, 8% below the US median of $29.12.
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Estimated cost for 576 sq ft in Baton Rouge, LA, standard level
$35,200 to $46,100
About $60.50 to $79.50 per sq ft before permits. Labor is about 49% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $17,500 | $22,900 |
| Labor | $17,400 | $22,800 |
| Permits and fees | $230 | $360 |
| Total | $35,200 | $46,100 |
Cost breakdown for 576 sq ft in Baton Rouge, LA
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $13,500 | $20,200 | $27,000 | 50% |
| Labor | $13,400 | $20,100 | $26,800 | 49% |
| Permits and fees | $140 | $300 | $450 | 1% |
| Total | $27,000 | $40,600 | $54,200 | 100% |
Why Baton Rouge prices look the way they do
We price the labor side from BLS wage data for 5 trades: carpenters at 45%, cement masons and concrete finishers at 15%, construction laborers at 20%, electricians at 10%, roofers at 10%. Weighted together, Baton Rouge wages are 0.93 times the national level. Labor makes up about 49% of the midpoint estimate (50% at national prices).
On the materials line, the BEA goods price index for the Baton Rouge metro is 93.7 (US = 100). The midpoint materials bill for 576 sq ft comes to $20,200, compared with $21,600 at national prices. Permit and inspection fees are scaled by the broader index (90.8) and land at $140 to $450.
Local wages behind the labor line
Wages are the part of this estimate that changes most from town to town. 5 trades carry the job here, and each is compared with its US median. The weighted result for Baton Rouge is 0.93 times the national level.
For carpenters (47-2031, weighted 45%) the local median is $26.75 an hour, which is 8% below the national $29.12. The middle half of them earn between $23.20 and $29.27 an hour. BLS counts 3,490 of them working in the area, 85.2 for every 10,000 jobs (US: 43.1), so the local bench is deeper than average.
Construction laborers (47-2061), 20% of the weighting: a median of $18.58 an hour, 18% below the US median of $22.66. The middle half of them earn between $16.59 and $22.72 an hour. About 6,300 work in the metro. That is 153.8 per 10,000 jobs, compared with 70.5 nationally, which suggests plenty of local crews to bid.
For cement masons and concrete finishers (47-2051, weighted 15%) the local median is $29.45 an hour, which is 7% above the national $27.41. The middle half of them earn between $21.79 and $35.01 an hour. BLS counts 250 of them working in the area, 6.1 for every 10,000 jobs (US: 13.3), so the local bench is thinner than average.
Electricians (47-2111), 10% of the weighting: a median of $31.41 an hour, 3% above the US median of $30.38. The middle half of them earn between $28.11 and $37.40 an hour. About 3,320 work in the metro. That is 81.0 per 10,000 jobs, compared with 48.7 nationally, which suggests plenty of local crews to bid.
For roofers (47-2181, weighted 10%) the local median is $23.70 an hour, which is 11% below the national $26.65. The middle half of them earn between $21.03 and $26.21 an hour. BLS counts 220 of them working in the area, 5.4 for every 10,000 jobs (US: 8.7), so the local bench is thinner than average.
Quotes come from real crews, not medians. If the carpenters on your job are paid at the 75th percentile ($29.27 an hour) instead of the median, the labor line grows by about $840. At the 25th percentile ($23.20) it shrinks by about $1,200. The total moves by 2.1% or 2.9%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 409,690 jobs in the Baton Rouge area. That makes it the 60th largest of the 300 metros we cover, with 0.26% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 45% | $23.20 | $26.75 | $29.27 | $29.12 | 0.92 | metro |
| Cement masons and concrete finishers (47-2051) | 15% | $21.79 | $29.45 | $35.01 | $27.41 | 1.07 | metro |
| Construction laborers (47-2061) | 20% | $16.59 | $18.58 | $22.72 | $22.66 | 0.82 | metro |
| Electricians (47-2111) | 10% | $28.11 | $31.41 | $37.40 | $30.38 | 1.03 | metro |
| Roofers (47-2181) | 10% | $21.03 | $23.70 | $26.21 | $26.65 | 0.89 | metro |
| Blended | 100% | 0.93 | |||||
Why two Baton Rouge quotes can differ
Foundation
A slab is cheapest. A frost-depth foundation in cold states costs more.
Garage apartments
A garage with living space is a different project: HomeGuide puts them at $80,000-$300,000.
Permits
You need a permit for a detached garage: $150-$500 on average, with separate electrical or plumbing permits if those are involved.
What nearby projects cost in Baton Rouge
Because every project leans on different trades, Baton Rouge's wage level does not move all prices equally. Against the US midpoint, concrete driveway runs −4% and garage door −6%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Concrete slab | 400 sq ft | $2,350 – $4,950 | −5% |
| Garage door | 1 door | $660 – $3,450 | −6% |
| Concrete driveway | 600 sq ft | $3,500 – $8,850 | −4% |
| Home addition | 300 sq ft | $36,100 – $73,100 | −5% |
When to schedule detached garage in Baton Rouge
We use NOAA's 1991-2020 climate normals for Baton Rouge Ryan Ap (5 miles from the city center). These are 30-year monthly averages, not forecasts.
September through May is the stretch where pouring concrete runs into the fewest weather problems in Baton Rouge (9 of 12 months). June, July and August have an average daytime high of 90°F or more.
Heat matters for concrete as well. With average highs of 90°F or more in June, July and August, crews often start early, wet the base and plan for faster set times.
Baton Rouge gets about 62 inches of precipitation in a normal year. The wettest months are January, June and August (6.5 inches in June). Inside the workable window, September and November are the driest, at 4.4 and 3.9 inches. The station averages about 96 days a year at 90°F or above.
Does the season change the price? Probably, but we do not have a sourced seasonal price curve, so the estimator shows a year-round figure and does not adjust by month. When you collect quotes, ask whether scheduling in a slower month gets a better rate.
| Month | Avg high °F | Avg low °F | Precip (in) | For this job |
|---|---|---|---|---|
| Jan | 62 | 42 | 6.4 | Workable |
| Feb | 67 | 45 | 4.4 | Workable |
| Mar | 73 | 51 | 4.5 | Workable |
| Apr | 79 | 57 | 5.1 | Workable |
| May | 86 | 65 | 5.2 | Workable |
| Jun | 91 | 72 | 6.5 | Hot |
| Jul | 92 | 74 | 5.1 | Hot |
| Aug | 92 | 73 | 6.4 | Hot |
| Sep | 89 | 69 | 4.4 | Workable |
| Oct | 81 | 58 | 4.8 | Workable |
| Nov | 71 | 48 | 3.9 | Workable |
| Dec | 64 | 43 | 5.3 | Workable |
Is Baton Rouge cheap or dear? The local comparison
Of the five closest metros, all are cheaper than Baton Rouge. Alexandria is the lowest at about $37,800 (midpoint, 576 sq ft), 100 miles away.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Baton Rouge, LAthis page | $27,000 – $54,200 | $40,600 | |
| Lafayette, LA70 miles | $25,700 – $51,600 | $38,600 | −5% |
| Slidell, LA70 miles | $25,600 – $51,300 | $38,400 | −5% |
| Houma, LA85 miles | $25,500 – $51,100 | $38,300 | −6% |
| Alexandria, LA100 miles | $25,200 – $50,500 | $37,800 | −7% |
| Hattiesburg, MS120 miles | $25,300 – $50,700 | $38,000 | −7% |
| Louisiana (statewide) | $25,800 – $51,800 | $38,800 | −4% |
| United States | $29,000 – $58,100 | $43,500 | +7% |
Across 300 US metros, Baton Rouge comes in at #175 from the top. The priciest is Honolulu, HI at $57,900; the cheapest is Brownsville, TX at $35,500 (midpoints, 576 sq ft). Statewide, Baton Rouge is 5% above the Louisiana figure.
Other Louisiana metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| New Orleans, LA | 445,550 jobs | $25,900 – $52,000 | $39,000 | −4% |
| Lafayette, LA | 179,570 jobs | $25,700 – $51,600 | $38,600 | −5% |
| Shreveport, LA | 162,750 jobs | $25,500 – $51,100 | $38,300 | −6% |
| Lake Charles, LA | 101,690 jobs | $25,900 – $51,900 | $38,900 | −4% |
| Slidell, LA | 98,240 jobs | $25,600 – $51,300 | $38,400 | −5% |
| Monroe, LA | 87,500 jobs | $25,300 – $50,700 | $38,000 | −7% |
Cities with a workforce like Baton Rouge's
Big cities and small ones price differently, so here is Baton Rouge against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Knoxville, TN | 424,600 jobs | $26,500 – $53,100 | $39,800 | −2% |
| Madison, WI | 408,070 jobs | $29,800 – $59,800 | $44,800 | +10% |
| Greenville, SC | 434,900 jobs | $26,600 – $53,300 | $40,000 | −2% |
| Albuquerque, NM | 404,700 jobs | $27,300 – $54,900 | $41,100 | +1% |
Cost by quality level and size in Baton Rouge
Three bands are cut from the same cited range and localized for Baton Rouge 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 4 common sizes.
Basic
$27,000 to $37,900
Basic shell: slab, framing, siding, a roll-up door
Standard
$35,200 to $46,100
Finished exterior, insulated, electrical and a nicer door
Premium
$43,400 to $54,200
Insulated and drywalled, heat and cooling, upgraded finishes
| Size | Basic | Standard | Premium |
|---|---|---|---|
| 1-car (12x20), 240 sq ft | $11,300 – $16,000 | $14,800 – $19,400 | $18,300 – $22,900 |
| 2-car (24x24), 576 sq ft | $27,000 – $37,900 | $35,200 – $46,100 | $43,400 – $54,200 |
| 2.5-car (24x30), 720 sq ft | $33,800 – $47,300 | $43,900 – $57,500 | $54,100 – $67,700 |
| 3-car (900 sq ft) | $42,200 – $59,100 | $54,900 – $71,800 | $67,600 – $84,500 |
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Detached garage in Baton Rouge: your questions
+How much does it cost to build a detached garage in Baton Rouge?
For 576 sq ft, expect $27,000 to $54,200 in the Baton Rouge area. A standard-spec job lands at $35,200 to $46,100. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for detached garage in Baton Rouge?
About $46.50 to $93.50 per sq ft for materials and labor, plus $140 to $450 for the permit if one is needed. The US range is $50 to $100.
+Is detached garage cheaper in Baton Rouge or Lafayette?
Lafayette is 70 miles away. The midpoint for 576 sq ft there is $38,600, which is 5% less than Baton Rouge ($40,600). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Baton Rouge?
About 49% at the midpoint, or $20,100 out of $40,600. Materials are 50% and permits 1%. Nationally, labor is 50%.
+What would 2.5-car (24x30), 720 sq ft cost in Baton Rouge?
$33,800 to $67,700. Pick a different size in the estimator above to get your own number.
+Does detached garage need a permit in Baton Rouge?
Often, but rules are set by your city or county building office, so call before you hire. Budget $140 to $450 for fees in the Baton Rouge area (our national range of $150 to $500 scaled by the local price level).
+Is Baton Rouge expensive for detached garage compared with the rest of Louisiana?
Baton Rouge is 5% above the Louisiana statewide estimate ($38,800 at the midpoint). We cover 9 metros in Louisiana; see the state page to compare them.
+What do carpenters earn in Baton Rouge?
The BLS median is $26.75 an hour in the Baton Rouge area, compared with $29.12 nationally. The 25th to 75th percentile range is $23.20 to $29.27.
+What do basic and premium detached garage work cost in Baton Rouge?
For 576 sq ft, basic work runs $27,000 to $37,900 and premium work $43,400 to $54,200. Basic means: basic shell: slab, framing, siding, a roll-up door. Premium means: insulated and drywalled, heat and cooling, upgraded finishes.
+When is the best time to build a detached garage in Baton Rouge?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are September through May. September and November are typically the driest of those months. Local contractors' schedules matter as much as the weather, so book early for the busy months.
Detached garage near Baton Rouge
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 a Detached Garage Cost? (2026) (accessed November 4, 2026)
- Trusscore: How Much Does It Cost to Build a Garage? 2026 Price Guide (accessed November 4, 2026)
- Angi: How Much Does It Cost to Build a Detached Garage? [2026 Data] (accessed November 4, 2026)
- HomeGuide: 2026 Building Permit Costs | Fees & Cost Calculator (accessed November 4, 2026)
- BLS Occupational Employment and Wage Statistics, May 2025
- BEA Regional Price Parities, 2024
- NOAA NCEI U.S. Climate Normals, 1991-2020
Note on derived figures: Materials = installed range / 1.6, because Angi puts professional labor at roughly an additional 60% of the materials cost (materials about 62.5% of the total).