Concrete slab cost in Blacksburg, VA

How Blacksburg 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 400 sq ft range from $3,300 to $3,750 across Blacksburg and its five closest metros.

Out of the 300 metros we cover, Blacksburg ranks #238 for the cost of this job (#1 is the most expensive). Statewide, Blacksburg is 6% below the Virginia figure.

Elsewhere in Virginia

Metros of a similar size

Big cities and small ones price differently, so here is Blacksburg against the 4 metros with the closest total employment.

What nearby projects cost in Blacksburg

Jobs that often go together with concrete slab are priced below at their usual sizes, using the same Blacksburg wage and price inputs. Compared with national midpoints, asphalt driveway comes out highest (−7%) and concrete driveway lowest (−13%); the gap comes from the trades each job uses.

Concrete slab: what moves the price in Blacksburg

• 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.

Who does the work: Blacksburg 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 Blacksburg the blend is 0.83.

Cement masons and concrete finishers (47-2051), 50% of the weighting: a median of $21.87 an hour, 20% below the US median of $27.41. The middle half of them earn between $17.99 and $26.56 an hour. About 40 work in the metro. That is 5.4 per 10,000 jobs, compared with 13.3 nationally, so expect fewer local crews to bid.

For construction laborers (47-2061, weighted 30%) the local median is $20.03 an hour, which is 12% below the national $22.66. The middle half of them earn between $17.47 and $22.13 an hour.

Operating engineers and other construction equipment operators (47-2073), 10% of the weighting: a median of $24.05 an hour, 16% below the US median of $28.78. The middle half of them earn between $21.55 and $28.88 an hour.

Carpenters (47-2031), 10% of the weighting: a median of $22.87 an hour, 21% below the US median of $29.12. The middle half of them earn between $19.38 and $27.26 an hour. About 340 work in the metro. That is 45.9 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 $140 to the midpoint estimate; the 25th percentile takes off about $110. That is a swing of roughly 3.3% to 3.9% of the total, which is useful for judging whether a bid reflects wages or something else, such as scope or margin.

Blacksburg-Christiansburg-Radford has 74,070 jobs in total (BLS, May 2025), ranking 248th by size among the 300 metros on this site.

The best months for concrete slab in Blacksburg

Climate numbers on this page come from NOAA's 1991-2020 U.S. Climate Normals at the nearest suitable station, Blacksburg Nwso (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 Blacksburg are May through October: 6 of 12. Outside them, January, February, March, April, 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.

Blacksburg gets about 43 inches of precipitation in a normal year, including roughly 25 inches of snow. The wettest months are May, June and July (4.5 inches in May). Inside the workable window, September and October are the driest, at 3.5 and 2.9 inches. The station averages about 5 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.

Extras that change the Blacksburg total

Add-ons start from national price ranges and are scaled by 0.90 for Blacksburg, which is the average of the area's wage index (0.83) and goods price index (0.97). The estimator above can add them to your total.

Blacksburg: what basic, standard and premium work costs

The cited range is split into basic, standard and premium bands, then scaled to Blacksburg. 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).