Home addition cost in Nashville, TN
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (300 sq ft)
- $35,300 – $71,600
- Per sq ft
- $116 – $232
- before permit
- Versus US midpoint
- −7%
- US $57,500
- Rank of 300 metros
- #168
- 1 = most expensive
If you want to build a home addition in Nashville, plan on $35,300 to $71,600 for 300 sq ft, all in. Per sq ft, that is $116 to $232 for materials and labor, with the permit on top. The local midpoint runs 7% lower than the national one. Carpenters earn a median of $26.81 an hour in the Nashville area, 8% below the US median of $29.12.
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Estimated cost for 300 sq ft in Nashville, TN, standard level
$46,200 to $60,700
About $151 to $197 per sq ft before permits. Labor is about 65% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $15,000 | $19,600 |
| Labor | $30,300 | $39,600 |
| Permits and fees | $920 | $1,500 |
| Total | $46,200 | $60,700 |
Cost breakdown for 300 sq ft in Nashville, TN
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $11,500 | $17,300 | $23,100 | 32% |
| Labor | $23,300 | $34,900 | $46,600 | 65% |
| Permits and fees | $480 | $1,200 | $1,950 | 2% |
| Total | $35,300 | $53,500 | $71,600 | 100% |
What is behind the Nashville 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, Nashville wages are 0.91 times the national level. Labor makes up about 65% of the midpoint estimate (67% at national prices).
On the materials line, the BEA goods price index for the Nashville metro is 96.2 (US = 100). The midpoint materials bill for 300 sq ft comes to $17,300, compared with $18,000 at national prices. Permit and inspection fees are scaled by the broader index (96.3) and land at $480 to $1,950.
Why two Nashville quotes can differ
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.
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).
Nashville: what basic, standard and premium work costs
Three bands are cut from the same cited range and localized for Nashville 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
$35,300 to $49,800
Bump-out or simple room without plumbing
Standard
$46,200 to $60,700
Standard room addition with HVAC and electrical
Premium
$57,100 to $71,600
Large addition with bath or kitchen and a new foundation
| Size | Basic | Standard | Premium |
|---|---|---|---|
| bump-out (100 sq ft) | $12,100 – $17,300 | $16,000 – $21,200 | $19,900 – $25,200 |
| 20x20 room (400 sq ft) | $46,900 – $66,100 | $61,300 – $80,500 | $75,700 – $94,800 |
| large suite (600 sq ft) | $70,200 – $98,600 | $91,500 – $120,000 | $113,000 – $141,500 |
Planning more than one job in Nashville?
Because every project leans on different trades, Nashville's wage level does not move all prices equally. Against the US midpoint, kitchen remodel runs −5% and roof replacement −8%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Kitchen remodel | 120 sq ft | $17,600 – $30,000 | −5% |
| Bathroom remodel | 45 sq ft | $4,350 – $21,600 | −7% |
| Detached garage | 576 sq ft | $27,300 – $54,900 | −6% |
| Roof replacement | 2,000 sq ft of roof | $5,550 – $11,500 | −8% |
Is Nashville cheap or dear? The local comparison
Same job, same size (300 sq ft), priced for the nearest metros. Nashville is the priciest of the group. Clarksville is the cheapest at $50,000.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Nashville, TNthis page | $35,300 – $71,600 | $53,500 | |
| Clarksville, TN65 miles | $33,000 – $66,900 | $50,000 | −7% |
| Bowling Green, KY70 miles | $34,400 – $69,800 | $52,100 | −2% |
| Huntsville, AL90 miles | $33,200 – $67,300 | $50,200 | −6% |
| Chattanooga, TN105 miles | $34,000 – $68,900 | $51,500 | −4% |
| Decatur, AL115 miles | $34,000 – $68,800 | $51,400 | −4% |
| Tennessee (statewide) | $33,800 – $68,600 | $51,200 | −4% |
| United States | $38,000 – $77,000 | $57,500 | +8% |
Across 300 US metros, Nashville comes in at #168 from the top. The priciest is Honolulu, HI at $79,600; the cheapest is Brownsville, TX at $44,300 (midpoints, 300 sq ft). Statewide, Nashville is 4% above the Tennessee figure.
Other Tennessee metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Memphis, TN | 611,670 jobs | $33,900 – $68,700 | $51,300 | −4% |
| Knoxville, TN | 424,600 jobs | $33,600 – $68,100 | $50,800 | −5% |
| Chattanooga, TN | 268,750 jobs | $34,000 – $68,900 | $51,500 | −4% |
| Kingsport, TN | 119,560 jobs | $32,700 – $66,200 | $49,400 | −8% |
| Clarksville, TN | 103,220 jobs | $33,000 – $66,900 | $50,000 | −7% |
| Jackson, TN | 84,530 jobs | $32,700 – $66,300 | $49,500 | −7% |
Cities with a workforce like Nashville's
Big cities and small ones price differently, so here is Nashville against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Cincinnati, OH | 1,101,030 jobs | $37,000 – $75,000 | $56,000 | +5% |
| Kansas City, MO | 1,096,110 jobs | $38,400 – $77,700 | $58,100 | +9% |
| Indianapolis, IN | 1,105,170 jobs | $39,000 – $79,000 | $59,000 | +10% |
| Sacramento, CA | 1,080,590 jobs | $42,800 – $86,700 | $64,700 | +21% |
Climate in Nashville: timing your home addition job
We use NOAA's 1991-2020 climate normals for Nashville Intl Ap (5 miles from the city center). These are 30-year monthly averages, not forecasts.
February through June and September through December are the stretches where digging, grading and setting material in the ground runs into the fewest weather problems in Nashville (9 of 12 months). January has 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 the average low is at or below freezing, which means frozen ground and slower digging, compaction and sod or stone placement. NOAA counts about 66 days a year with a low at or below 32°F at this station.
Nashville gets about 51 inches of precipitation in a normal year, including roughly 5 inches of snow. The wettest months are March, April and May (5.0 inches in May). Inside the workable window, September and October are the driest, at 3.8 and 3.4 inches. The station averages about 54 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 | 49 | 30 | 4.0 | Cold |
| Feb | 54 | 33 | 4.5 | Workable |
| Mar | 63 | 40 | 4.5 | Workable |
| Apr | 73 | 49 | 4.7 | Workable |
| May | 80 | 58 | 5.0 | Workable |
| Jun | 88 | 66 | 4.4 | Workable |
| Jul | 91 | 71 | 4.2 | Hot |
| Aug | 90 | 69 | 3.8 | Hot |
| Sep | 84 | 62 | 3.8 | Workable |
| Oct | 74 | 50 | 3.4 | Workable |
| Nov | 61 | 39 | 3.9 | Workable |
| Dec | 52 | 33 | 4.4 | Workable |
Nashville 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 Nashville is 0.91 times the national level.
For carpenters (47-2031, weighted 50%) the local median is $26.81 an hour, which is 8% below the national $29.12. The middle half of them earn between $23.80 and $29.35 an hour. BLS counts 3,040 of them working in the area, 27.7 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 $23.47 an hour, which is 14% below the national $27.41. The middle half of them earn between $22.49 and $26.85 an hour. BLS counts 1,490 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 $30.45 an hour, in line with the US median of $30.38. The middle half of them earn between $25.10 and $37.95 an hour. About 6,220 work in the metro. That is 56.6 per 10,000 jobs, compared with 48.7 nationally, which suggests plenty of local crews to bid.
For plumbers, pipefitters and steamfitters (47-2152, weighted 10%) the local median is $28.90 an hour, which is 6% below the national $30.67. The middle half of them earn between $23.57 and $36.10 an hour. BLS counts 2,760 of them working in the area, 25.1 for every 10,000 jobs (US: 30.0), so the local bench is thinner than average.
Drywall and ceiling tile installers (47-2081), 10% of the weighting: a median of $24.34 an hour, 14% below the US median of $28.33. The middle half of them earn between $20.71 and $26.45 an hour. About 500 work in the metro. That is 4.5 per 10,000 jobs, compared with 5.3 nationally, so the supply of crews looks typical.
For roofers (47-2181, weighted 10%) the local median is $23.14 an hour, which is 13% below the national $26.65. The middle half of them earn between $21.02 and $26.93 an hour. BLS counts 650 of them working in the area, 5.9 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 ($29.35 an hour) instead of the median, the labor line grows by about $1,650. At the 25th percentile ($23.80) it shrinks by about $2,000. The total moves by 3.1% or 3.7%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 1,099,300 jobs in the Nashville-Davidson--Murfreesboro--Franklin area. That makes it the 33rd largest of the 300 metros we cover, with 0.71% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 50% | $23.80 | $26.81 | $29.35 | $29.12 | 0.92 | metro |
| Cement masons and concrete finishers (47-2051) | 10% | $22.49 | $23.47 | $26.85 | $27.41 | 0.86 | metro |
| Electricians (47-2111) | 10% | $25.10 | $30.45 | $37.95 | $30.38 | 1.00 | metro |
| Plumbers, pipefitters and steamfitters (47-2152) | 10% | $23.57 | $28.90 | $36.10 | $30.67 | 0.94 | metro |
| Drywall and ceiling tile installers (47-2081) | 10% | $20.71 | $24.34 | $26.45 | $28.33 | 0.86 | metro |
| Roofers (47-2181) | 10% | $21.02 | $23.14 | $26.93 | $26.65 | 0.87 | metro |
| Blended | 100% | 0.91 | |||||
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Detailed home addition report for Nashville, TN, $9
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Home addition in Nashville: your questions
+How much does it cost to build a home addition in Nashville?
For 300 sq ft, expect $35,300 to $71,600 in the Nashville area. A standard-spec job lands at $46,200 to $60,700. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for home addition in Nashville?
About $116 to $232 per sq ft for materials and labor, plus $480 to $1,950 for the permit if one is needed. The US range is $125 to $250.
+Is home addition cheaper in Nashville or Clarksville?
Clarksville is 65 miles away. The midpoint for 300 sq ft there is $50,000, which is 7% less than Nashville ($53,500). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Nashville?
About 65% at the midpoint, or $34,900 out of $53,500. Materials are 32% and permits 2%. Nationally, labor is 67%.
+What would 20x20 room (400 sq ft) cost in Nashville?
$46,900 to $94,800. Pick a different size in the estimator above to get your own number.
+Does home addition need a permit in Nashville?
Often, but rules are set by your city or county building office, so call before you hire. Budget $480 to $1,950 for fees in the Nashville area (our national range of $500 to $2,000 scaled by the local price level).
+Is Nashville expensive for home addition compared with the rest of Tennessee?
Nashville is 4% above the Tennessee statewide estimate ($51,200 at the midpoint). We cover 8 metros in Tennessee; see the state page to compare them.
+What do carpenters earn in Nashville?
The BLS median is $26.81 an hour in the Nashville area, compared with $29.12 nationally. The 25th to 75th percentile range is $23.80 to $29.35.
+What do basic and premium home addition work cost in Nashville?
For 300 sq ft, basic work runs $35,300 to $49,800 and premium work $57,100 to $71,600. 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 Nashville?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are February through June and September through December. September and October 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 Nashville
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.