Home addition cost in Fort Smith, AR
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (300 sq ft)
- $30,300 – $61,500
- Per sq ft
- $99.50 – $199
- before permit
- Versus US midpoint
- −20%
- US $57,500
- Rank of 300 metros
- #297
- 1 = most expensive
Fort Smith homeowners pay roughly $30,300 to $61,500 to build a home addition at 300 sq ft, or $99.50 to $199 per sq ft (permit not included). Against the US midpoint, Fort Smith is 20% lower. Carpenters earn a median of $20.39 an hour in the Fort Smith area, 30% below the US median of $29.12.
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Estimated cost for 300 sq ft in Fort Smith, AR, standard level
$39,700 to $52,200
About $130 to $170 per sq ft before permits. Labor is about 61% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $14,600 | $19,100 |
| Labor | $24,300 | $31,800 |
| Permits and fees | $820 | $1,350 |
| Total | $39,700 | $52,200 |
Cost breakdown for 300 sq ft in Fort Smith, AR
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $11,200 | $16,800 | $22,500 | 37% |
| Labor | $18,700 | $28,000 | $37,400 | 61% |
| Permits and fees | $430 | $1,050 | $1,700 | 2% |
| Total | $30,300 | $45,900 | $61,500 | 100% |
What is behind the Fort Smith number
We price the labor side from BLS wage data for 6 trades: carpenters at 50%, cement masons and concrete finishers at 10%, electricians at 10%, plumbers, pipefitters and steamfitters at 10%, drywall and ceiling tile installers at 10%, roofers at 10%. Weighted together, Fort Smith wages are 0.73 times the national level. Labor makes up about 61% of the midpoint estimate (67% at national prices).
On the materials line, the BEA goods price index for the Fort Smith metro is 93.6 (US = 100). The midpoint materials bill for 300 sq ft comes to $16,800, compared with $18,000 at national prices. Permit and inspection fees are scaled by the broader index (85.9) and land at $430 to $1,700.
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 Fort Smith. The wage table below marks each row.
Why two Fort Smith quotes can differ
Plumbing and fixtures
Adding a bathroom or kitchen drives the price up the most.
Permits
Construction permits run $500-$2,000, or $5-$21 per $1,000 of project cost (HomeGuide).
Foundation
A foundation, framing, roofing and matching exterior finishes all have to be built before the interior work starts.
How Fort Smith compares
Contractors rarely work more than an hour or two from home, so the neighboring metros set a rough ceiling and floor for your quotes. Midpoints for 300 sq ft range from $45,900 to $51,900 across Fort Smith and its five closest metros.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Fort Smith, ARthis page | $30,300 – $61,500 | $45,900 | |
| Fayetteville, AR50 miles | $32,400 – $65,800 | $49,100 | +7% |
| Tulsa, OK110 miles | $32,800 – $66,400 | $49,600 | +8% |
| Joplin, MO115 miles | $34,300 – $69,400 | $51,900 | +13% |
| Little Rock, AR125 miles | $31,900 – $64,600 | $48,300 | +5% |
| Texarkana, TX135 miles | $30,900 – $62,700 | $46,800 | +2% |
| Arkansas (statewide) | $31,800 – $64,500 | $48,200 | +5% |
| United States | $38,000 – $77,000 | $57,500 | +25% |
Across 300 US metros, Fort Smith comes in at #297 from the top. The priciest is Honolulu, HI at $79,600; the cheapest is Brownsville, TX at $44,300 (midpoints, 300 sq ft). Statewide, Fort Smith is 5% below the Arkansas figure.
Other Arkansas metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Little Rock, AR | 358,210 jobs | $31,900 – $64,600 | $48,300 | +5% |
| Fayetteville, AR | 275,180 jobs | $32,400 – $65,800 | $49,100 | +7% |
| Jonesboro, AR | 60,620 jobs | $30,600 – $62,100 | $46,400 | +1% |
Cities with a workforce like Fort Smith's
Big cities and small ones price differently, so here is Fort Smith against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Athens, GA | 95,800 jobs | $32,500 – $65,900 | $49,200 | +7% |
| Macon, GA | 95,030 jobs | $31,500 – $63,800 | $47,600 | +4% |
| Yakima, WA | 97,010 jobs | $41,100 – $83,200 | $62,100 | +35% |
| Barnstable, MA | 94,110 jobs | $42,400 – $85,800 | $64,100 | +40% |
Related projects, priced for Fort Smith
Because every project leans on different trades, Fort Smith's wage level does not move all prices equally. Against the US midpoint, kitchen remodel runs −11% and bathroom remodel −17%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Kitchen remodel | 120 sq ft | $16,500 – $28,100 | −11% |
| Bathroom remodel | 45 sq ft | $3,900 – $19,400 | −17% |
| Detached garage | 576 sq ft | $24,200 – $48,600 | −16% |
| Roof replacement | 2,000 sq ft of roof | $5,100 – $10,700 | −15% |
Local wages behind the labor line
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 Fort Smith is 0.73 times the national level.
For carpenters (47-2031, weighted 50%) the local median is $20.39 an hour, which is 30% below the national $29.12. The middle half of them earn between $17.84 and $23.62 an hour. BLS counts 240 of them working in the area, 25.1 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 $18.70 an hour, which is 32% below the national $27.41. The middle half of them earn between $17.20 and $24.27 an hour. BLS counts 130 of them working in the area, 13.6 for every 10,000 jobs (US: 13.3), so the local bench is about average.
Electricians (47-2111), 10% of the weighting: a median of $25.24 an hour, 17% below the US median of $30.38. The middle half of them earn between $19.09 and $31.02 an hour. About 370 work in the metro. That is 38.7 per 10,000 jobs, compared with 48.7 nationally, so expect fewer local crews to bid.
For plumbers, pipefitters and steamfitters (47-2152, weighted 10%) the local median is $23.24 an hour, which is 24% below the national $30.67. The middle half of them earn between $18.23 and $28.84 an hour. BLS counts 250 of them working in the area, 26.2 for every 10,000 jobs (US: 30.0), so the local bench is about average.
Drywall and ceiling tile installers (47-2081) carry 10% of the labor weighting. BLS does not publish this trade for the Fort Smith metro, so we used the Arkansas statewide median: $21.42 an hour against $28.33 for the US. The middle half of them earn between $17.82 and $22.65 an hour.
For roofers (47-2181, weighted 10%) the local median is $21.27 an hour, which is 20% below the national $26.65. The middle half of them earn between $17.80 and $24.62 an hour. BLS counts 140 of them working in the area, 14.7 for every 10,000 jobs (US: 8.7), so the local bench is deeper than average.
Quotes come from real crews, not medians. If the carpenters on your job are paid at the 75th percentile ($23.62 an hour) instead of the median, the labor line grows by about $2,100. At the 25th percentile ($17.84) it shrinks by about $1,650. The total moves by 4.6% or 3.6%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 95,560 jobs in the Fort Smith area. That makes it the 210th largest of the 300 metros we cover, with 0.06% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 50% | $17.84 | $20.39 | $23.62 | $29.12 | 0.70 | metro |
| Cement masons and concrete finishers (47-2051) | 10% | $17.20 | $18.70 | $24.27 | $27.41 | 0.68 | metro |
| Electricians (47-2111) | 10% | $19.09 | $25.24 | $31.02 | $30.38 | 0.83 | metro |
| Plumbers, pipefitters and steamfitters (47-2152) | 10% | $18.23 | $23.24 | $28.84 | $30.67 | 0.76 | metro |
| Drywall and ceiling tile installers (47-2081) | 10% | $17.82 | $21.42 | $22.65 | $28.33 | 0.76 | state |
| Roofers (47-2181) | 10% | $17.80 | $21.27 | $24.62 | $26.65 | 0.80 | metro |
| Blended | 100% | 0.73 | |||||
Fort Smith: what basic, standard and premium work costs
Three bands are cut from the same cited range and localized for Fort Smith 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
$30,300 to $42,800
Bump-out or simple room without plumbing
Standard
$39,700 to $52,200
Standard room addition with HVAC and electrical
Premium
$49,100 to $61,500
Large addition with bath or kitchen and a new foundation
| Size | Basic | Standard | Premium |
|---|---|---|---|
| bump-out (100 sq ft) | $10,400 – $14,900 | $13,800 – $18,300 | $17,200 – $21,700 |
| 20x20 room (400 sq ft) | $40,300 – $56,800 | $52,700 – $69,100 | $65,000 – $81,500 |
| large suite (600 sq ft) | $60,300 – $84,700 | $78,600 – $103,000 | $96,900 – $121,500 |
When to schedule home addition in Fort Smith
We use NOAA's 1991-2020 climate normals for Ft Smith Rgnl Ap (in the city). These are 30-year monthly averages, not forecasts.
February through June and September through November are the stretches where digging, grading and setting material in the ground runs into the fewest weather problems in Fort Smith (8 of 12 months). January and December have an average overnight low at or below freezing (32°F); July and August have an average daytime high of 90°F or more.
In January and December the average low is at or below freezing, which means frozen ground and slower digging, compaction and sod or stone placement. NOAA counts about 63 days a year with a low at or below 32°F at this station.
Fort Smith gets about 47 inches of precipitation in a normal year, including roughly 3 inches of snow. The wettest months are April, May and June (5.6 inches in May). Inside the workable window, February and November are the driest, at 2.7 and 3.9 inches. The station averages about 78 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 | 51 | 30 | 2.9 | Cold |
| Feb | 57 | 33 | 2.7 | Workable |
| Mar | 66 | 42 | 3.9 | Workable |
| Apr | 75 | 50 | 4.9 | Workable |
| May | 81 | 60 | 5.6 | Workable |
| Jun | 89 | 68 | 4.6 | Workable |
| Jul | 94 | 72 | 3.4 | Hot |
| Aug | 94 | 71 | 3.6 | Hot |
| Sep | 87 | 63 | 4.0 | Workable |
| Oct | 76 | 51 | 4.4 | Workable |
| Nov | 63 | 40 | 3.9 | Workable |
| Dec | 53 | 32 | 3.5 | Cold |
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Home addition in Fort Smith: your questions
+How much does it cost to build a home addition in Fort Smith?
For 300 sq ft, expect $30,300 to $61,500 in the Fort Smith area. A standard-spec job lands at $39,700 to $52,200. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for home addition in Fort Smith?
About $99.50 to $199 per sq ft for materials and labor, plus $430 to $1,700 for the permit if one is needed. The US range is $125 to $250.
+Is home addition cheaper in Fort Smith or Fayetteville?
Fayetteville is 50 miles away. The midpoint for 300 sq ft there is $49,100, which is 7% more than Fort Smith ($45,900). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Fort Smith?
About 61% at the midpoint, or $28,000 out of $45,900. Materials are 37% and permits 2%. Nationally, labor is 67%.
+What would 20x20 room (400 sq ft) cost in Fort Smith?
$40,300 to $81,500. Pick a different size in the estimator above to get your own number.
+Does home addition need a permit in Fort Smith?
Often, but rules are set by your city or county building office, so call before you hire. Budget $430 to $1,700 for fees in the Fort Smith area (our national range of $500 to $2,000 scaled by the local price level).
+Is Fort Smith expensive for home addition compared with the rest of Arkansas?
Fort Smith is 5% below the Arkansas statewide estimate ($48,200 at the midpoint). We cover 4 metros in Arkansas; see the state page to compare them.
+What do carpenters earn in Fort Smith?
The BLS median is $20.39 an hour in the Fort Smith area, compared with $29.12 nationally. The 25th to 75th percentile range is $17.84 to $23.62.
+What do basic and premium home addition work cost in Fort Smith?
For 300 sq ft, basic work runs $30,300 to $42,800 and premium work $49,100 to $61,500. 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 Fort Smith?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are February through June and September through November. February 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 Fort Smith
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.