Carbon Builders
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+1 319-541-1846- Roofing Contractor serving Iowa City, Iowa.
- Work covered: emergency repair, storm damage repair, roof replacement, roof repair, roof inspection.
Services Offered
Looking up Carbon Builders in Iowa
Iowa requires state contractor registration rather than a roofing-specific license — check your city or county for local permit requirements
- Match the name, the city and the status. The record should read active or in good standing.
- Have the insurer or agent send the certificate of insurance to you, since a license says nothing about coverage.
- Write down the expiry and make sure it outlasts the job.
- Search the registry by number, then by name, because spellings differ between sources.
Storm history for Iowa City, Johnson County
Add up the hail entries NOAA logged for Johnson County since 2017 and you reach 91. On 23 days at least one stone measured 1 inch or more. Stones of 1.75 inches or larger were reported on 5 days, and the biggest stone came in at 2.75 inches, near a baseball. 2026 is the last year that has a 1.75-inch report.
If a storm does come through, take dated photos of the roof first. Whoever you hire, Carbon Builders included, should put the inspection findings in writing.
Within 25 miles of Iowa City, the last 90 days produced 0 NOAA hail reports.
The fastest thunderstorm gust on file is 83 mph.
Among 67 Iowa counties with enough reports to compare, Johnson County places 6 by density: 175.0 reports per 1,000 square miles, upper-third territory.
Reports cluster in May (18 percent of the total); April through July account for 61 percent. 4 calendar months each hold under 2 percent of reports.
| Measure | Value |
|---|---|
| Biggest stone, inches | 2.75 |
| Days at 1 inch or more | 23 |
| Hail reports, all years | 109 |
| Days with hail at 1.75 inches or more | 5 |
| Share of reports in April to July | 61% |
| NOAA hail reports since 2017 | 91 |
The record's top day is March 10, 2026: a 2.75-inch stone, about the size of a baseball, reported near Oasis.
| Calendar year | Reports | Largest stone, in |
|---|---|---|
| 2017 | 20 | 1.5 |
| 2018 | 7 | 1 |
| 2024 | 14 | 1.75 |
Who lives under these roofs
Half the homes in Iowa City were built before 1984, which is an age of 42 years or more. Against a median home value of $273,600, a $9,787 mid-range asphalt roof is 4 percent of the house. Pre-1980 construction makes up 45.3 percent of homes in Iowa City.
| Measure | Value |
|---|---|
| Homes older than 1980 | 45.3% |
| Total housing units | 33,855 |
| Median home value | $273,600 |
| Owner-occupied | 46.3% |
| Typical household income | $57,533 |
What a new roof costs in Iowa City
Prices in Iowa City run about 13 percent below our national basis, so asphalt shingles land at $6,090 to $13,485. Divide price by years of life and the ranking changes: see the last column. BLS puts the median annual roofer wage for Iowa at $48,660.
| Material | Typical life | Per year of life | Midpoint |
|---|---|---|---|
| Metal Shingles | 35 to 50 years | $390 | $16,530 |
| Metal (Steel/Aluminum) | 40 to 70 years | $370 | $20,445 |
| Standing Seam Metal | 50 to 70 years | $460 | $27,840 |
| Cedar Shake | 20 to 30 years | $700 | $17,400 |
| 3-Tab Asphalt Shingles | 15 to 20 years | $460 | $8,048 |
| Clay Tile | 50 to 100 years | $370 | $27,840 |
Common questions, Iowa City
- When is hail season in Iowa City?
- Spring and early summer carry the bulk of it: 61 percent of entries come between April and July, May leading at 18 percent.
- Has Johnson County had large hail?
- The largest stone since 2017 measured 2.75 inches, about the size of a baseball. 5 days reached golf-ball size or more.
- Is Iowa City an older housing market?
- Census data puts the typical build year at 1984. Asphalt roofs wear out in 15 to 30 years, so many roofs here have been replaced at least once.
- How much is a roof replacement in Iowa City?
- Asphalt shingles on 2,000 square feet run $6,090 to $13,485 in Iowa City, and the middle of that range is $9,787. Metal and tile cost more up front; the table above shows each material.
- Can I confirm Carbon Builders is licensed?
- The Iowa lookup shows status and expiry. Set both beside the contract and ask the roofer for proof of insurance.
- How much hail does Johnson County see?
- 91 reports since 2017, 23 days at 1 inch or more, and the peak month is May.
More Roofing Services in Iowa City, IA
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