Home addition cost in Waco, TX
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (300 sq ft)
- $32,300 – $65,600
- Per sq ft
- $106 – $212
- before permit
- Versus US midpoint
- −15%
- US $57,500
- Rank of 300 metros
- #273
- 1 = most expensive
Waco homeowners pay roughly $32,300 to $65,600 to build a home addition at 300 sq ft, or $106 to $212 per sq ft (permit not included). Against the US midpoint, Waco is 15% lower. Carpenters earn a median of $22.76 an hour in the Waco area, 22% below the US median of $29.12.
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Estimated cost for 300 sq ft in Waco, TX, standard level
$42,300 to $55,600
About $138 to $181 per sq ft before permits. Labor is about 63% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $14,600 | $19,100 |
| Labor | $26,800 | $35,000 |
| Permits and fees | $880 | $1,450 |
| Total | $42,300 | $55,600 |
Cost breakdown for 300 sq ft in Waco, TX
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $11,300 | $16,900 | $22,500 | 34% |
| Labor | $20,600 | $30,900 | $41,200 | 63% |
| Permits and fees | $460 | $1,150 | $1,850 | 2% |
| Total | $32,300 | $48,900 | $65,600 | 100% |
Why Waco prices look the way they do
The wage side of the estimate leans on carpenters, who do 50% of the hours on a typical job. Their local median is $22.76 an hour. Add the other trades involved and the blended wage index for Waco is 0.81 (US = 1.00), which puts labor at 63% of the total.
On the materials line, the BEA goods price index for the Waco metro is 93.8 (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 (92.5) and land at $460 to $1,850.
Why two Waco 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).
Is Waco cheap or dear? The local comparison
Of the five closest metros, 3 are cheaper than Waco. Tyler is the lowest at about $47,000 (midpoint, 300 sq ft), 130 miles away.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Waco, TXthis page | $32,300 – $65,600 | $48,900 | |
| Killeen, TX40 miles | $31,900 – $64,800 | $48,400 | −1% |
| College Station, TX75 miles | $31,600 – $64,200 | $47,900 | −2% |
| Dallas, TX90 miles | $34,400 – $69,800 | $52,100 | +6% |
| Austin, TX95 miles | $33,800 – $68,700 | $51,300 | +5% |
| Tyler, TX130 miles | $31,100 – $63,000 | $47,000 | −4% |
| Texas (statewide) | $33,600 – $68,200 | $50,900 | +4% |
| United States | $38,000 – $77,000 | $57,500 | +17% |
Across 300 US metros, Waco comes in at #273 from the top. The priciest is Honolulu, HI at $79,600; the cheapest is Brownsville, TX at $44,300 (midpoints, 300 sq ft). Statewide, Waco is 4% below the Texas figure.
Other Texas metros
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Dallas, TX | 4,049,800 jobs | $34,400 – $69,800 | $52,100 | +6% |
| Houston, TX | 3,289,720 jobs | $34,100 – $69,200 | $51,600 | +6% |
| Austin, TX | 1,293,690 jobs | $33,800 – $68,700 | $51,300 | +5% |
| San Antonio, TX | 1,126,880 jobs | $32,800 – $66,500 | $49,600 | +1% |
| El Paso, TX | 339,120 jobs | $30,200 – $61,200 | $45,700 | −7% |
| McAllen, TX | 296,700 jobs | $30,100 – $61,000 | $45,500 | −7% |
Cities with a workforce like Waco's
Big cities and small ones price differently, so here is Waco against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Olympia, WA | 130,300 jobs | $42,800 – $86,500 | $64,700 | +32% |
| Kennewick, WA | 129,490 jobs | $43,500 – $88,100 | $65,800 | +34% |
| Fayetteville, NC | 131,430 jobs | $32,200 – $65,300 | $48,700 | level |
| Elkhart, IN | 127,730 jobs | $38,200 – $77,200 | $57,700 | +18% |
When to schedule home addition in Waco
We use NOAA's 1991-2020 climate normals for Waco Rgnl Ap (5 miles from the city center). These are 30-year monthly averages, not forecasts.
October through May is the stretch where digging, grading and setting material in the ground runs into the fewest weather problems in Waco (8 of 12 months). June, July, August and September have an average daytime high of 90°F or more.
Waco gets about 36 inches of precipitation in a normal year. The wettest months are May, June and October (4.4 inches in May). Inside the workable window, January and February are the driest, at 2.6 and 2.7 inches. The station averages about 115 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 | 59 | 36 | 2.6 | Workable |
| Feb | 63 | 40 | 2.7 | Workable |
| Mar | 70 | 47 | 3.3 | Workable |
| Apr | 78 | 55 | 3.3 | Workable |
| May | 85 | 63 | 4.4 | Workable |
| Jun | 93 | 71 | 3.4 | Hot |
| Jul | 97 | 74 | 1.8 | Hot |
| Aug | 97 | 74 | 2.0 | Hot |
| Sep | 91 | 67 | 2.9 | Hot |
| Oct | 81 | 56 | 4.4 | Workable |
| Nov | 69 | 46 | 2.7 | Workable |
| Dec | 60 | 38 | 2.9 | Workable |
Pick a size, pick a tier: home addition pricing in Waco
Three bands are cut from the same cited range and localized for Waco 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
$32,300 to $45,600
Bump-out or simple room without plumbing
Standard
$42,300 to $55,600
Standard room addition with HVAC and electrical
Premium
$52,300 to $65,600
Large addition with bath or kitchen and a new foundation
| Size | Basic | Standard | Premium |
|---|---|---|---|
| bump-out (100 sq ft) | $11,100 – $15,900 | $14,700 – $19,500 | $18,300 – $23,100 |
| 20x20 room (400 sq ft) | $42,900 – $60,500 | $56,100 – $73,600 | $69,300 – $86,800 |
| large suite (600 sq ft) | $64,200 – $90,200 | $83,700 – $110,000 | $103,000 – $129,500 |
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 Waco is 0.81 times the national level.
For carpenters (47-2031, weighted 50%) the local median is $22.76 an hour, which is 22% below the national $29.12. The middle half of them earn between $19.96 and $25.45 an hour. BLS counts 420 of them working in the area, 32.3 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 $21.36 an hour, which is 22% below the national $27.41. The middle half of them earn between $17.96 and $26.13 an hour. BLS counts 260 of them working in the area, 20.0 for every 10,000 jobs (US: 13.3), so the local bench is deeper than average.
Electricians (47-2111), 10% of the weighting: a median of $23.50 an hour, 23% below the US median of $30.38. The middle half of them earn between $21.42 and $30.80 an hour. About 650 work in the metro. That is 50.1 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 $27.67 an hour, which is 10% below the national $30.67. The middle half of them earn between $22.05 and $35.09 an hour. BLS counts 490 of them working in the area, 37.7 for every 10,000 jobs (US: 30.0), so the local bench is deeper than average.
Drywall and ceiling tile installers (47-2081), 10% of the weighting: a median of $23.63 an hour, 17% below the US median of $28.33. The middle half of them earn between $23.63 and $25.34 an hour. About 130 work in the metro. That is 10.0 per 10,000 jobs, compared with 5.3 nationally, which suggests plenty of local crews to bid.
For roofers (47-2181, weighted 10%) the local median is $23.56 an hour, which is 12% below the national $26.65. The middle half of them earn between $22.85 and $29.52 an hour. BLS counts 200 of them working in the area, 15.4 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 ($25.45 an hour) instead of the median, the labor line grows by about $1,750. At the 25th percentile ($19.96) it shrinks by about $1,850. The total moves by 3.6% or 3.8%, so wages alone rarely explain a quote that is far outside our range.
For context on the local economy, BLS counts 129,860 jobs in the Waco area. That makes it the 168th largest of the 300 metros we cover, with 0.08% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Carpenters (47-2031) | 50% | $19.96 | $22.76 | $25.45 | $29.12 | 0.78 | metro |
| Cement masons and concrete finishers (47-2051) | 10% | $17.96 | $21.36 | $26.13 | $27.41 | 0.78 | metro |
| Electricians (47-2111) | 10% | $21.42 | $23.50 | $30.80 | $30.38 | 0.77 | metro |
| Plumbers, pipefitters and steamfitters (47-2152) | 10% | $22.05 | $27.67 | $35.09 | $30.67 | 0.90 | metro |
| Drywall and ceiling tile installers (47-2081) | 10% | $23.63 | $23.63 | $25.34 | $28.33 | 0.83 | metro |
| Roofers (47-2181) | 10% | $22.85 | $23.56 | $29.52 | $26.65 | 0.88 | metro |
| Blended | 100% | 0.81 | |||||
What nearby projects cost in Waco
Because every project leans on different trades, Waco's wage level does not move all prices equally. Against the US midpoint, kitchen remodel runs −9% and detached garage −13%.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Kitchen remodel | 120 sq ft | $16,900 – $28,800 | −9% |
| Bathroom remodel | 45 sq ft | $4,200 – $20,700 | −11% |
| Detached garage | 576 sq ft | $25,100 – $50,300 | −13% |
| Roof replacement | 2,000 sq ft of roof | $5,450 – $11,200 | −10% |
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 $42,300 to $55,600 for Waco, TX is attached.
Detailed home addition report for Waco, TX, $9
The report lays out the home addition numbers for Waco, TX 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.
Home addition in Waco: your questions
+How much does it cost to build a home addition in Waco?
For 300 sq ft, expect $32,300 to $65,600 in the Waco area. A standard-spec job lands at $42,300 to $55,600. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for home addition in Waco?
About $106 to $212 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 Waco or Killeen?
Killeen is 40 miles away. The midpoint for 300 sq ft there is $48,400, which is 1% less than Waco ($48,900). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Waco?
About 63% at the midpoint, or $30,900 out of $48,900. Materials are 34% and permits 2%. Nationally, labor is 67%.
+What would 20x20 room (400 sq ft) cost in Waco?
$42,900 to $86,800. Pick a different size in the estimator above to get your own number.
+Does home addition need a permit in Waco?
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 Waco area (our national range of $500 to $2,000 scaled by the local price level).
+Is Waco expensive for home addition compared with the rest of Texas?
Waco is 4% below the Texas statewide estimate ($50,900 at the midpoint). We cover 21 metros in Texas; see the state page to compare them.
+What do carpenters earn in Waco?
The BLS median is $22.76 an hour in the Waco area, compared with $29.12 nationally. The 25th to 75th percentile range is $19.96 to $25.45.
+What do basic and premium home addition work cost in Waco?
For 300 sq ft, basic work runs $32,300 to $45,600 and premium work $52,300 to $65,600. 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 Waco?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are October through May. January and February 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 Waco
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.