Home addition cost in New Orleans, LA
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (300 sq ft)
- $33,800 – $68,500
- Per sq ft
- $111 – $222
- before permit
- Versus US midpoint
- −11%
- US $57,500
- Rank of 300 metros
- #209
- 1 = most expensive
If you want to build a home addition in New Orleans, plan on $33,800 to $68,500 for 300 sq ft, all in. Per sq ft, that is $111 to $222 for materials and labor, with the permit on top. The local midpoint runs 11% lower than the national one. Carpenters earn a median of $24.10 an hour in the New Orleans area, 17% below the US median of $29.12.
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Estimated cost for 300 sq ft in New Orleans, LA, standard level
$44,200 to $58,100
About $144 to $189 per sq ft before permits. Labor is about 65% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $14,600 | $19,100 |
| Labor | $28,700 | $37,500 |
| Permits and fees | $880 | $1,450 |
| Total | $44,200 | $58,100 |
Cost breakdown for 300 sq ft in New Orleans, LA
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $11,200 | $16,900 | $22,500 | 33% |
| Labor | $22,100 | $33,100 | $44,200 | 65% |
| Permits and fees | $460 | $1,150 | $1,850 | 2% |
| Total | $33,800 | $51,100 | $68,500 | 100% |
Where the New Orleans price comes from
Labor is 65% of the midpoint bill here, against 67% nationally. The mix of trades behind this job is carpenters (50%), cement masons and concrete finishers (10%), electricians (10%), plumbers, pipefitters and steamfitters (10%), drywall and ceiling tile installers (10%), roofers (10%). We weight each trade's local median wage by that share and compare it with the national median. In New Orleans the blended ratio comes out at 0.87.
On the materials line, the BEA goods price index for the New Orleans metro is 93.7 (US = 100). The midpoint materials bill for 300 sq ft comes to $16,900, compared with $18,000 at national prices. Permit and inspection fees are scaled by the broader index (92.6) and land at $460 to $1,850.
Data note: 10% of the labor weighting for this project uses a statewide median because BLS has no published metro figure for that trade in New Orleans. The wage table below marks each row.
What nearby projects cost in New Orleans
Because every project leans on different trades, New Orleans's wage level does not move all prices equally. Against the US midpoint, kitchen remodel runs −8% and detached garage −11%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Kitchen remodel | 120 sq ft | $17,100 – $29,100 | −8% |
| Bathroom remodel | 45 sq ft | $4,250 – $21,200 | −9% |
| Detached garage | 576 sq ft | $25,900 – $52,000 | −11% |
| Roof replacement | 2,000 sq ft of roof | $5,450 – $11,300 | −10% |
New Orleans labor market for home addition
Wages are the part of this estimate that changes most from town to town. 6 trades carry the job here, and each is compared with its US median. The weighted result for New Orleans is 0.87 times the national level.
For carpenters (47-2031, weighted 50%) the local median is $24.10 an hour, which is 17% below the national $29.12. The middle half of them earn between $21.55 and $29.75 an hour. BLS counts 1,390 of them working in the area, 31.2 for every 10,000 jobs (US: 43.1), so the local bench is thinner than average.
For cement masons and concrete finishers (47-2051, weighted 10%) the local median is $22.99 an hour, which is 16% below the national $27.41. The middle half of them earn between $17.95 and $29.98 an hour. BLS counts 160 of them working in the area, 3.6 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 $30.04 an hour, in line with the US median of $30.38. The middle half of them earn between $23.35 and $35.56 an hour. About 2,240 work in the metro. That is 50.3 per 10,000 jobs, compared with 48.7 nationally, so the supply of crews looks typical.
For plumbers, pipefitters and steamfitters (47-2152, weighted 10%) the local median is $30.03 an hour, which is in line with the national $30.67. The middle half of them earn between $24.43 and $36.43 an hour. BLS counts 1,510 of them working in the area, 33.9 for every 10,000 jobs (US: 30.0), so the local bench is about average.
Drywall and ceiling tile installers (47-2081), 10% of the weighting: a median of $23.67 an hour, 16% below the US median of $28.33. The middle half of them earn between $16.90 and $25.47 an hour. About 50 work in the metro. That is 1.1 per 10,000 jobs, compared with 5.3 nationally, so expect fewer local crews to bid.
Roofers (47-2181) carry 10% of the labor weighting. BLS does not publish this trade for the New Orleans metro, so we used the Louisiana statewide median: $23.44 an hour against $26.65 for the US. The middle half of them earn between $18.74 and $27.02 an hour.
Quotes come from real crews, not medians. If the carpenters on your job are paid at the 75th percentile ($29.75 an hour) instead of the median, the labor line grows by about $3,700. At the 25th percentile ($21.55) it shrinks by about $1,650. The total moves by 7.3% or 3.3%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 445,550 jobs in the New Orleans-Metairie area. That makes it the 57th largest of the 300 metros we cover, with 0.29% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 50% | $21.55 | $24.10 | $29.75 | $29.12 | 0.83 | metro |
| Cement masons and concrete finishers (47-2051) | 10% | $17.95 | $22.99 | $29.98 | $27.41 | 0.84 | metro |
| Electricians (47-2111) | 10% | $23.35 | $30.04 | $35.56 | $30.38 | 0.99 | metro |
| Plumbers, pipefitters and steamfitters (47-2152) | 10% | $24.43 | $30.03 | $36.43 | $30.67 | 0.98 | metro |
| Drywall and ceiling tile installers (47-2081) | 10% | $16.90 | $23.67 | $25.47 | $28.33 | 0.84 | metro |
| Roofers (47-2181) | 10% | $18.74 | $23.44 | $27.02 | $26.65 | 0.88 | state |
| Blended | 100% | 0.87 | |||||
How New Orleans compares
Of the five closest metros, 4 are cheaper than New Orleans. Houma is the lowest at about $49,700 (midpoint, 300 sq ft), 75 miles away.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| New Orleans, LAthis page | $33,800 – $68,500 | $51,100 | |
| Houma, LA75 miles | $32,800 – $66,500 | $49,700 | −3% |
| Slidell, LA80 miles | $33,000 – $66,900 | $50,000 | −2% |
| Gulfport, MS90 miles | $32,800 – $66,600 | $49,700 | −3% |
| Baton Rouge, LA125 miles | $36,100 – $73,100 | $54,600 | +7% |
| Mobile, AL125 miles | $33,300 – $67,500 | $50,400 | −1% |
| Louisiana (statewide) | $33,700 – $68,300 | $51,000 | level |
| United States | $38,000 – $77,000 | $57,500 | +12% |
Across 300 US metros, New Orleans comes in at #209 from the top. The priciest is Honolulu, HI at $79,600; the cheapest is Brownsville, TX at $44,300 (midpoints, 300 sq ft). Statewide, New Orleans is 0% above the Louisiana figure.
Other Louisiana metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Baton Rouge, LA | 409,690 jobs | $36,100 – $73,100 | $54,600 | +7% |
| Lafayette, LA | 179,570 jobs | $33,100 – $67,000 | $50,000 | −2% |
| Shreveport, LA | 162,750 jobs | $32,800 – $66,500 | $49,600 | −3% |
| Lake Charles, LA | 101,690 jobs | $33,100 – $67,100 | $50,100 | −2% |
| Slidell, LA | 98,240 jobs | $33,000 – $66,900 | $50,000 | −2% |
| Monroe, LA | 87,500 jobs | $32,700 – $66,300 | $49,500 | −3% |
Cities with a workforce like New Orleans's
Big cities and small ones price differently, so here is New Orleans against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Honolulu, HI | 446,380 jobs | $52,700 – $106,500 | $79,600 | +56% |
| Greenville, SC | 434,900 jobs | $33,400 – $67,700 | $50,600 | −1% |
| Albany, NY | 449,410 jobs | $39,600 – $80,300 | $59,900 | +17% |
| Knoxville, TN | 424,600 jobs | $33,600 – $68,100 | $50,800 | −1% |
Climate in New Orleans: timing your home addition job
We use NOAA's 1991-2020 climate normals for New Orleans Lakefront Ap (5 miles from the city center). These are 30-year monthly averages, not forecasts.
September through June is the stretch where digging, grading and setting material in the ground runs into the fewest weather problems in New Orleans (10 of 12 months). July and August have an average daytime high of 90°F or more.
New Orleans gets about 60 inches of precipitation in a normal year. The wettest months are June, July and August (6.5 inches in August). Inside the workable window, October and November are the driest, at 3.6 and 3.6 inches. The station averages about 86 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 | 61 | 47 | 5.3 | Workable |
| Feb | 65 | 51 | 4.1 | Workable |
| Mar | 71 | 57 | 4.6 | Workable |
| Apr | 78 | 63 | 5.9 | Workable |
| May | 85 | 71 | 4.9 | Workable |
| Jun | 89 | 76 | 6.0 | Workable |
| Jul | 91 | 78 | 6.3 | Hot |
| Aug | 91 | 79 | 6.5 | Hot |
| Sep | 87 | 76 | 4.6 | Workable |
| Oct | 79 | 67 | 3.6 | Workable |
| Nov | 70 | 56 | 3.6 | Workable |
| Dec | 63 | 50 | 4.6 | Workable |
Specs and site conditions that change a New Orleans bid
Foundation
A foundation, framing, roofing and matching exterior finishes all have to be built before the interior work starts.
Type of addition
A new room is $125-$250 per sq ft; a bump-out $85-$200; an attic conversion $50-$150; a garage conversion $50-$200 (HomeGuide).
Plumbing and fixtures
Adding a bathroom or kitchen drives the price up the most.
New Orleans: what basic, standard and premium work costs
Three bands are cut from the same cited range and localized for New Orleans 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
$33,800 to $47,700
Bump-out or simple room without plumbing
Standard
$44,200 to $58,100
Standard room addition with HVAC and electrical
Premium
$54,600 to $68,500
Large addition with bath or kitchen and a new foundation
| Size | Basic | Standard | Premium |
|---|---|---|---|
| bump-out (100 sq ft) | $11,600 – $16,600 | $15,300 – $20,300 | $19,100 – $24,100 |
| 20x20 room (400 sq ft) | $44,900 – $63,200 | $58,600 – $77,000 | $72,400 – $90,700 |
| large suite (600 sq ft) | $67,100 – $94,300 | $87,500 – $114,500 | $108,000 – $135,000 |
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 $44,200 to $58,100 for New Orleans, LA is attached.
Detailed home addition report for New Orleans, LA, $9
Multi-page report for New Orleans, LA: low, typical and high cost, a line-item breakdown of materials and labor by trade, permit notes, the best months to schedule, a quote comparison sheet, red flags, questions for contractors, checklists and every source. Save your estimate above, preview page 1 free, and unlock the full report for $9 one-time, or get every report with CostLocal Pro.
Home addition in New Orleans: your questions
+How much does it cost to build a home addition in New Orleans?
For 300 sq ft, expect $33,800 to $68,500 in the New Orleans area. A standard-spec job lands at $44,200 to $58,100. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for home addition in New Orleans?
About $111 to $222 per sq ft for materials and labor, plus $460 to $1,850 for the permit if one is needed. The US range is $125 to $250.
+Is home addition cheaper in New Orleans or Houma?
Houma is 75 miles away. The midpoint for 300 sq ft there is $49,700, which is 3% less than New Orleans ($51,100). Wage and materials indexes both feed that gap.
+How much of the bill is labor in New Orleans?
About 65% at the midpoint, or $33,100 out of $51,100. Materials are 33% and permits 2%. Nationally, labor is 67%.
+What would 20x20 room (400 sq ft) cost in New Orleans?
$44,900 to $90,700. Pick a different size in the estimator above to get your own number.
+Does home addition need a permit in New Orleans?
Often, but rules are set by your city or county building office, so call before you hire. Budget $460 to $1,850 for fees in the New Orleans area (our national range of $500 to $2,000 scaled by the local price level).
+Is New Orleans expensive for home addition compared with the rest of Louisiana?
New Orleans is 0% above the Louisiana statewide estimate ($51,000 at the midpoint). We cover 9 metros in Louisiana; see the state page to compare them.
+What do carpenters earn in New Orleans?
The BLS median is $24.10 an hour in the New Orleans area, compared with $29.12 nationally. The 25th to 75th percentile range is $21.55 to $29.75.
+What do basic and premium home addition work cost in New Orleans?
For 300 sq ft, basic work runs $33,800 to $47,700 and premium work $54,600 to $68,500. Basic means: bump-out or simple room without plumbing. Premium means: large addition with bath or kitchen and a new foundation.
+When is the best time to build a home addition in New Orleans?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are September through June. October 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.
Home addition near New Orleans
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 Home Addition Cost? (2026) (accessed November 4, 2026)
- Cost to Renovate: Renovation Labor Report 2026: Where the Money Goes (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 = 32% of the installed price, from Cost to Renovate's mid-range 'Structural' category split (56% labor, 32% materials, 11% permits and design). It is a category average rather than an addition-specific figure.