Concrete slab cost in Flagstaff, AZ
Local estimate from BLS wage data and BEA price levels. Reviewed Nov 4, 2026.
- Typical range (400 sq ft)
- $2,400 – $5,100
- Per sq ft
- $5.90 – $11.50
- before permit
- Versus US midpoint
- −2%
- US $3,850
- Rank of 300 metros
- #141
- 1 = most expensive
Local price for a concrete slab in the Flagstaff area: $2,400 to $5,100 for 400 sq ft. The low end is a basic job on easy ground; the high end is a premium spec with harder access. The midpoint lands close to the US figure. Building materials run about 4% below the US average here (BEA goods price index 96.2).
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Estimated cost for 400 sq ft in Flagstaff, AZ, standard level
$3,200 to $4,300
About $7.65 to $10 per sq ft before permits. Labor is about 43% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $1,600 | $2,250 |
| Labor | $1,450 | $1,750 |
| Permits and fees | $160 | $300 |
| Total | $3,200 | $4,300 |
Cost breakdown for 400 sq ft in Flagstaff, AZ
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $1,150 | $1,900 | $2,700 | 51% |
| Labor | $1,200 | $1,600 | $2,000 | 43% |
| Permits and fees | $50 | $230 | $400 | 6% |
| Total | $2,400 | $3,750 | $5,100 | 100% |
Where the Flagstaff price comes from
We price the labor side from BLS wage data for 4 trades: cement masons and concrete finishers at 50%, construction laborers at 30%, operating engineers and other construction equipment operators at 10%, carpenters at 10%. Weighted together, Flagstaff wages are 1.00 times the national level. Labor makes up about 43% of the midpoint estimate (42% at national prices).
Materials are scaled with BEA's regional price parity for goods. Flagstaff is at 96.2 against 100 for the US, so a materials line of $2,000 nationally becomes $1,900 here (midpoint, 400 sq ft). Permits follow the all-items index of 100.3: $50 to $400.
Specs and site conditions that change a Flagstaff bid
Thickness and mix
A 4-inch slab uses about 1.23 cubic yards of concrete per 100 sq ft; a 6-inch slab uses about 1.85. Stepping up from a 3,000 PSI to a 4,000-4,500 PSI mix adds $10-$40 per cubic yard (Estimators.us).
Base and reinforcement
A compacted gravel base, vapor barrier, and wire mesh or rebar are priced separately by some contractors and bundled by others. Ask which one your quote does.
Truck and pump access
If the mixer truck can't back up to the forms, someone has to wheelbarrow it in or hire a pump. Pump or line-pump hire is typically billed per day.
Flagstaff: what basic, standard and premium work costs
The cited range is split into basic, standard and premium bands, then scaled to Flagstaff. Bands overlap, because plenty of standard jobs cost as much as a light premium one. Sizes run from 10x10 pad (100 sq ft) to 30x40 foundation (1,200 sq ft).
Basic
$2,400 to $3,500
4-inch broom-finish slab, light mesh, easy truck access
Standard
$3,200 to $4,300
4-5 inch slab with rebar or heavier mesh and standard base prep
Premium
$4,000 to $5,100
6-inch slab, heavy reinforcement, thick base, pump truck or tight access
| Size | Basic | Standard | Premium |
|---|---|---|---|
| 10x10 pad (100 sq ft) | $640 – $1,000 | $920 – $1,300 | $1,200 – $1,550 |
| 12x12 (144 sq ft) | $900 – $1,350 | $1,250 – $1,750 | $1,600 – $2,100 |
| 20x20 (400 sq ft) | $2,400 – $3,500 | $3,200 – $4,300 | $4,000 – $5,100 |
| 24x24 garage floor (576 sq ft) | $3,450 – $4,950 | $4,550 – $6,050 | $5,650 – $7,150 |
| 30x40 foundation (1,200 sq ft) | $7,100 – $10,100 | $9,300 – $12,300 | $11,500 – $14,500 |
Optional extras in Flagstaff
Add-ons start from national price ranges and are scaled by 0.98 for Flagstaff, which is the average of the area's wage index (1.00) and goods price index (0.96). The estimator above can add them to your total.
| Add-on | Local range |
|---|---|
| Add rebar reinforcement | $390 – $1,200 |
| Remove old concrete first | $780 – $2,350 |
What nearby projects cost in Flagstaff
Jobs that often go together with concrete slab are priced below at their usual sizes, using the same Flagstaff wage and price inputs. Compared with national midpoints, concrete driveway comes out highest (−1%) and detached garage lowest (−4%); the gap comes from the trades each job uses.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Concrete driveway | 600 sq ft | $3,600 – $9,100 | −1% |
| Concrete patio | 300 sq ft | $1,200 – $3,950 | −2% |
| Detached garage | 576 sq ft | $27,700 – $55,600 | −4% |
| Stamped concrete | 400 sq ft | $3,200 – $7,850 | −1% |
| Asphalt driveway | 600 sq ft | $2,950 – $7,200 | −3% |
| Gravel driveway | 1,000 sq ft | $2,450 – $9,950 | −3% |
The best months for concrete slab in Flagstaff
Climate numbers on this page come from NOAA's 1991-2020 U.S. Climate Normals at the nearest suitable station, Flagstaff Pulliam Ap (5 miles from the city center). They are 30-year averages, so any one year can run hotter, colder or wetter.
For pouring concrete, the comfortable months in Flagstaff are June through September: 4 of 12. Outside them, January, February, March, April, May, October, November and December have an average overnight low of 40°F or below.
The 40°F line is a deliberately cautious stand-in. The American Concrete Institute's cold-weather guide (ACI 306R-16) defines cold-weather concreting around an average daily air temperature below 40°F, which is colder than our test of an average overnight low at or below 40°F, so we flag a few extra shoulder months. In cold weather crews may need heated enclosures, insulating blankets or accelerated mixes, and those measures can raise a quote.
Flagstaff gets about 21 inches of precipitation in a normal year, including roughly 90 inches of snow. The wettest months are February, July and August (3.0 inches in August). Inside the workable window, June and September are the driest, at 0.3 and 1.8 inches. The station averages about 3 days a year at 90°F or above.
We do not adjust the estimate by month, because we have no reliable published data on seasonal pricing. It is still worth asking contractors whether an off-peak start date changes their bid.
| Month | Avg high °F | Avg low °F | Precip (in) | For this job |
|---|---|---|---|---|
| Jan | 43 | 18 | 2.0 | Cold |
| Feb | 46 | 20 | 2.2 | Cold |
| Mar | 52 | 24 | 1.9 | Cold |
| Apr | 59 | 28 | 0.9 | Cold |
| May | 68 | 35 | 0.8 | Cold |
| Jun | 79 | 43 | 0.3 | Workable |
| Jul | 82 | 51 | 2.6 | Workable |
| Aug | 79 | 51 | 3.0 | Workable |
| Sep | 74 | 43 | 1.8 | Workable |
| Oct | 64 | 32 | 1.5 | Cold |
| Nov | 52 | 23 | 1.6 | Cold |
| Dec | 43 | 17 | 1.9 | Cold |
Who does the work: Flagstaff trade wages
The labor line is built from BLS wage data, one trade at a time. This job draws on 4 trades. We compare each trade's local median with the US median, weight the ratios by how much of the job each trade does, and apply the blend to the national labor cost. For Flagstaff the blend is 1.00.
Cement masons and concrete finishers (47-2051), 50% of the weighting: a median of $28.12 an hour, in line with the US median of $27.41. The middle half of them earn between $23.15 and $29.88 an hour. About 90 work in the metro. That is 13.5 per 10,000 jobs, compared with 13.3 nationally, so the supply of crews looks typical.
For construction laborers (47-2061, weighted 30%) the local median is $22.32 an hour, which is in line with the national $22.66. The middle half of them earn between $18.61 and $24.26 an hour. BLS counts 470 of them working in the area, 70.6 for every 10,000 jobs (US: 70.5), so the local bench is about average.
Operating engineers and other construction equipment operators (47-2073), 10% of the weighting: a median of $28.23 an hour, in line with the US median of $28.78. The middle half of them earn between $23.79 and $29.54 an hour. About 250 work in the metro. That is 37.5 per 10,000 jobs, compared with 30.7 nationally, which suggests plenty of local crews to bid.
Carpenters (47-2031), 10% of the weighting: a median of $26.91 an hour, 8% below the US median of $29.12. The middle half of them earn between $22.77 and $30.14 an hour. About 280 work in the metro. That is 42.0 per 10,000 jobs, compared with 43.1 nationally, so the supply of crews looks typical.
A quick sensitivity check: moving the lead trade (cement masons and concrete finishers) from the median to the 75th percentile wage adds about $50 to the midpoint estimate; the 25th percentile takes off about $150. That is a swing of roughly 3.9% to 1.4% of the total, which is useful for judging whether a bid reflects wages or something else, such as scope or margin.
Flagstaff has 66,610 jobs in total (BLS, May 2025), ranking 272nd by size among the 300 metros on this site.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Cement masons and concrete finishers (47-2051) | 50% | $23.15 | $28.12 | $29.88 | $27.41 | 1.03 | metro |
| Construction laborers (47-2061) | 30% | $18.61 | $22.32 | $24.26 | $22.66 | 0.98 | metro |
| Operating engineers and other construction equipment operators (47-2073) | 10% | $23.79 | $28.23 | $29.54 | $28.78 | 0.98 | metro |
| Carpenters (47-2031) | 10% | $22.77 | $26.91 | $30.14 | $29.12 | 0.92 | metro |
| Blended | 100% | 1.00 | |||||
Flagstaff against nearby metros and the rest of Arizona
Of the five closest metros, 3 are cheaper than Flagstaff. Lake Havasu City is the lowest at about $3,550 (midpoint, 400 sq ft), 110 miles away.
| Area | Range | Midpoint | vs. here |
|---|---|---|---|
| Flagstaff, AZthis page | $2,400 – $5,100 | $3,750 | |
| Prescott Valley, AZ95 miles | $2,300 – $4,950 | $3,600 | −3% |
| Lake Havasu City, AZ110 miles | $2,250 – $4,850 | $3,550 | −5% |
| St. George, UT135 miles | $2,250 – $4,850 | $3,550 | −5% |
| Las Vegas, NV185 miles | $2,450 – $5,200 | $3,850 | +2% |
| Phoenix, AZ185 miles | $2,400 – $5,100 | $3,750 | +1% |
| Arizona (statewide) | $2,400 – $5,100 | $3,750 | level |
| United States | $2,450 – $5,200 | $3,850 | +2% |
Out of the 300 metros we cover, Flagstaff ranks #141 for the cost of this job (#1 is the most expensive). Statewide, Flagstaff is 0% below the Arizona figure.
Elsewhere in Arizona
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Phoenix, AZ | 2,375,760 jobs | $2,400 – $5,100 | $3,750 | +1% |
| Tucson, AZ | 389,630 jobs | $2,350 – $5,000 | $3,700 | −1% |
| Prescott Valley, AZ | 72,300 jobs | $2,300 – $4,950 | $3,600 | −3% |
| Yuma, AZ | 68,880 jobs | $2,250 – $4,800 | $3,550 | −6% |
| Lake Havasu City, AZ | 56,490 jobs | $2,250 – $4,850 | $3,550 | −5% |
Metros of a similar size
Big cities and small ones price differently, so here is Flagstaff against the 4 metros with the closest total employment.
| Metro | Size | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Logan, UT | 66,800 jobs | $2,300 – $4,900 | $3,600 | −4% |
| Amherst, MA | 65,670 jobs | $2,600 – $5,400 | $4,000 | +7% |
| Missoula, MT | 67,070 jobs | $2,450 – $5,200 | $3,850 | +2% |
| Harrisonburg, VA | 65,460 jobs | $2,250 – $4,800 | $3,550 | −6% |
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Concrete slab in Flagstaff: your questions
+How much does it cost to pour a concrete slab in Flagstaff?
For 400 sq ft, expect $2,400 to $5,100 in the Flagstaff area. A standard-spec job lands at $3,200 to $4,300. Small jobs usually cost more per sq ft and large ones less.
+What is the price per sq ft for concrete slab in Flagstaff?
About $5.90 to $11.50 per sq ft for materials and labor, plus $50 to $400 for the permit if one is needed. The US range is $6 to $12.
+Is concrete slab cheaper in Flagstaff or Prescott Valley?
Prescott Valley is 95 miles away. The midpoint for 400 sq ft there is $3,600, which is 3% less than Flagstaff ($3,750). Wage and materials indexes both feed that gap.
+How much of the bill is labor in Flagstaff?
About 43% at the midpoint, or $1,600 out of $3,750. Materials are 51% and permits 6%. Nationally, labor is 42%.
+What would 20x20 (400 sq ft) cost in Flagstaff?
$2,400 to $5,100. Pick a different size in the estimator above to get your own number.
+Does concrete slab need a permit in Flagstaff?
Often, but rules are set by your city or county building office, so call before you hire. Budget $50 to $400 for fees in the Flagstaff area (our national range of $50 to $400 scaled by the local price level).
+Is Flagstaff expensive for concrete slab compared with the rest of Arizona?
Flagstaff is 0% below the Arizona statewide estimate ($3,750 at the midpoint). We cover 6 metros in Arizona; see the state page to compare them.
+What do cement masons and concrete finishers earn in Flagstaff?
The BLS median is $28.12 an hour in the Flagstaff area, compared with $27.41 nationally. The 25th to 75th percentile range is $23.15 to $29.88.
+What do basic and premium concrete slab work cost in Flagstaff?
For 400 sq ft, basic work runs $2,400 to $3,500 and premium work $4,000 to $5,100. Basic means: 4-inch broom-finish slab, light mesh, easy truck access. Premium means: 6-inch slab, heavy reinforcement, thick base, pump truck or tight access.
+When is the best time to pour a concrete slab in Flagstaff?
Based on NOAA 1991-2020 normals, the comfortable months for this kind of work are June through September. June and September are typically the driest of those months. Local contractors' schedules matter as much as the weather, so book early for the busy months.
+What does "add rebar reinforcement" add in Flagstaff?
$390 to $1,200 for 400 sq ft, from a national range scaled by the local wage and goods indexes.
Concrete slab near Flagstaff
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 Concrete Slab Cost? (2026) (accessed November 4, 2026)
- Estimators.us: Concrete Slab Cost in 2026 | $6-$12/Sq Ft Guide (accessed November 4, 2026)
- HomeGuide: How Much Does a Concrete Patio Cost? (2026) (accessed November 4, 2026)
- HomeGuide: How Much Does a Concrete Driveway Cost? (2026) (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