TMJ Construction Services
- Roofing Contractor serving Iowa City, Iowa — based at 400 Westcor Dr, Coralville, IA 52241.
- Jobs on the listing: roof inspection, storm damage repair, emergency repair, roof replacement, roof repair.
Services Offered
Checking TMJ Construction Services against the Iowa record
there is no roofing-specific license in Iowa — contractors carry a state contractor registration, and permits are handled locally by city or county
- An expiry before your finish date is a reason to ask questions.
- Search the registry by number, then by name, because spellings differ between sources.
- Match the name, the city and the status. The record should read active or in good standing.
- Request a current certificate of insurance from the insurer; licenses and insurance are checked separately.
Hail record for Iowa City and Johnson County
The NOAA Storm Events record holds 91 hail reports for Johnson County since 2017. Hail of coin size or bigger was reported on 23 separate days. Stones of 1.75 inches or larger turned up on 5 days, and the largest stone measured 2.75 inches, close to a baseball. 2026 is the last year with a 1.75-inch report.
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.
The strongest recorded thunderstorm gust is 83 mph.
0 hail reports fell within 25 miles of Iowa City over the past 90 days.
Most hail here arrives in spring and summer: 61 percent from April to July, 18 percent in May. 4 months of the year are close to hail-free on file.
NOAA also lists 16 tornadoes here, the strongest rated EF2.
| Measure | Value |
|---|---|
| Top month | May |
| Largest stone, inches | 2.75 |
| Days with hail at 1 inch or more | 23 |
| Share of reports in April to July | 61% |
| Reports, all years | 109 |
| Density rank in state | 6 of 67 |
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 | Hail reports | Top size, in |
|---|---|---|
| 2014 | 14 | 1.75 |
| 2018 | 7 | 1 |
| 2020 | 11 | 1.75 |
The housing stock in Iowa City
Median year built in Iowa City is 1984, a typical house age of 42 years. Set a typical $9,787 asphalt job beside the $273,600 median home value and the roof comes to 4 percent. That span covers about 2 asphalt roof cycles at 25 years each, so most roofs are a first or second replacement.
| Measure | Value |
|---|---|
| Total housing units | 33,855 |
| Median home value | $273,600 |
| Pre-1980 homes | 45.3% |
| Detached and attached houses | 49.8% |
| Median build year | 1984 |
Replacement costs in Iowa City
The Iowa City multiplier is below 1, about 13 percent lower than the national basis, giving $6,090 to $13,485 for asphalt shingles. 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 | Installed range | Lifespan | Per year of life |
|---|---|---|---|
| Metal (Steel/Aluminum) | $14,790-$26,100 | 40 to 70 yr | $370 |
| Cedar Shake | $12,180-$22,620 | 20 to 30 yr | $700 |
| Architectural Asphalt Shingles | $7,830-$13,485 | 25 to 30 yr | $390 |
| TPO / EPDM (Flat) | $6,960-$13,920 | 15 to 25 yr | $520 |
| Clay Tile | $20,880-$34,800 | 50 to 100 yr | $370 |
| 3-Tab Asphalt Shingles | $6,090-$10,005 | 15 to 20 yr | $460 |
Iowa City roofing questions
- How do I check TMJ Construction Services's license?
- Look up the Iowa record by license number, check the name and status, and note the expiry before you sign anything.
- What time of year does Iowa City get hail?
- Spring and early summer carry the bulk of it: 61 percent of entries come between April and July, May leading at 18 percent.
- What should I do after a hailstorm?
- Do not wait for a leak. A short inspection after the storm documents the damage while the date is fresh.
- Does Iowa City get a lot of hail?
- The county file counts 91 hail reports since 2017. 23 of those days reached 1 inch, and May tops the calendar.
- What is the biggest hail on record for Johnson County?
- The largest stone since 2017 measured 2.75 inches, near a baseball. 5 days reached golf-ball size or larger.
- What should I budget for a new roof near Iowa City?
- Expect $6,090 to $13,485 for a standard asphalt job in Iowa City; the midpoint is $9,787.
More Roofing Services in Iowa City, IA
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