Low rooflines and the sections nobody planned for
Picking a roofing company in Richardson often comes down to one question: can it handle the low parts? Much of the city was built out in the decades after World War II. D Magazine describes Canyon Creek as mostly ranch houses built from the late 1960s through the 1970s, and neighborhoods such as Greenwood Hills are known for their midcentury homes.
Those houses are handsome and long lived, but their roofs carry habits from another era. A main roof with a gentle pitch meets a patio cover that is nearly flat. A carport was enclosed into a den. A sunroom went on in the 1980s with a roof barely sloped enough to drain. Shingles were laid across all of it anyway.
Shingles shed water by gravity, and on a slope that is too shallow, wind-driven rain backs up under the laps. That is why so many Richardson leaks show up where a low section joins the main roof, not out in the open field of shingles.

Slope decides the material
The residential building code draws the lines. Ask each roofer to measure every section of your roof and write the material it plans for each one.
| Roof slope (rise per 12 inches) | What the code allows | Where you see it in Richardson |
|---|---|---|
| Under 2 inches | No asphalt shingles. A low-slope membrane or other system rated for it. | Enclosed carports, flat porch covers, some den additions |
| 2 to 4 inches | Shingles allowed with two layers of underlayment | Long, low midcentury main roofs and patio extensions |
| 4 inches and up | Shingles with standard underlayment | Most later ranch and two-story roofs |
An estimate that lists "shingles, whole house" for a home with a nearly flat back porch deserves a second look. So does one that never mentions the joint where the two sections meet, since that seam needs proper flashing whatever goes on either side.

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October 20, 2019: the tornado Richardson remembers
- 8:58 p.m. The National Weather Service says the tornado touched down about 3 miles east-northeast of Irving, in northwest Dallas, and began tracking east-northeast.
- Peak strength. Survey teams rated it EF3, with winds estimated at 140 mph and a path as wide as 1,300 yards.
- 9:30 p.m. After about 15.8 miles it lifted roughly 2 miles southeast of Richardson. No one was killed.
- The count. Community Impact reported that Richardson assessed 3,117 properties. Of those, 671 had some damage and 12 were destroyed, with 54 homes and 196 apartment units left uninhabitable.
- Recovery. The mayor signed a disaster declaration and the city waived building permit fees for tornado repairs. Crews hauled away more than 50,000 cubic yards of debris within weeks.
A year later, the Dallas Morning News found Richardson families still working through insurance and rebuilding. Roofs patched in that rush are now about seven years old. If yours was one of them, a careful look at the flashing, the decking and the repair seams is reasonable.
Checking a Richardson roofer with the city
Texas does not license roofing contractors. Richardson's own storm cleanup guidance points that out, noting that the state requires neither a license nor insurance for roofers. The city fills part of that gap with its own rules.
- Registration first. Every contractor must register with Richardson's Building Inspection Department before doing any work in the city. The fee is $100 and it runs one year.
- Look it up. The city keeps a Registered Contractors List and recommends checking it before you hire.
- Permit over 25%. Replacing, recovering or repairing more than a quarter of the roof needs a permit, approved and posted at the property before the first shingle comes off.
- Two inspections. One after the roof deck is installed, when decking is part of the job, and a final when the work is complete.
- Confirm the permit. The city's online permit search shows whether a permit was pulled for your address.
Building Inspection is at 2360 Campbell Creek Boulevard, Suite 550, and answers at 972-744-4180 on weekdays.

Why Richardson homeowners call
A stain where the den meets the house
Additions with low roofs are the usual suspect. The caller wants someone who will look at the junction, not just add sealant.
Decking from another era
Houses from the 1950s to 1970s may have board decking with gaps or more than one old layer of shingles. A full tear-off shows what is underneath.
Tornado repairs to revisit
Work done quickly after October 2019 sometimes got patched rather than rebuilt. Owners now want a second opinion before the next spring season.
Leave the roof to the roofer. A wet or storm-hit roof is slippery, and damaged decking can give way, so keep off it and keep the ladder put away. Stay clear of any downed power line and report it to Oncor or your local electric utility, or call 911. Inside, pull furniture and electronics away from the drip, set out a bucket or towels, and keep everyone out of a room where the ceiling is sagging. Take photos from the yard and from inside, then call your insurance company and a roofer.
Questions for any roofing company in Richardson
- Are you on Richardson's Registered Contractors List right now, and under what business name?
- What slope did you measure on each section, and what material goes on each one?
- How will you flash the seam where my low roof meets the main roof?
- If you find board decking or two old layers, what happens to the price, and how will you show me?
- Do you install low-slope membranes yourselves, or bring in another company for that part?
- Will the permit be posted at the house before work starts, and who calls for each inspection?
No state license for roofers. Texas does not license roofing contractors. A 2025 bill that would have had the state license re-roofers (HB 3344) cleared a House committee but never got a floor vote, and it died when the session ended. That puts the checking on you: ask for a certificate of liability insurance sent to you by the roofer's insurance agent or insurer, a written contract that lists the full scope, the permit or contractor registration your city requires, addresses of nearby jobs, and proof the shingle warranty was registered. The line does none of this checking for you. How to check a roofer in Texas.
Your deductible is yours to pay. The Texas Department of Insurance warns that a contractor may not waive your deductible, rebate it, or pad the estimate to cover it, and that a contract of $1,000 or more paid with insurance money must include a notice that you owe the deductible. Your insurer may ask for proof you paid it. A contractor also may not act as a public adjuster on a property it works on or may work on. If a roofer offers to "take care of" the deductible, hire someone else.
A drip by the patio door, a sagging porch roof, or a roof that came through 2019 with patches? Describe it on the call. The Richardson roofing company you reach looks at it in person, and many roofers inspect at no charge, so ask.
From your call to a Richardson roofer
- Dial the lineAn automated assistant picks up (469) 649-7066 any time and asks what you need. The same number also takes air conditioning, heating and pressure washing calls, so say "roof".
- Tell it about the roofHail, a drip in the ceiling, shingles in the yard, a tree limb, or an aging roof you want checked, plus your town and how soon you need someone.
- Get transferredThe call goes to an independent roofing company that is locally owned and works in Dallas-Fort Worth. It hears a quick summary of your call before it answers.
- Work with that companyIt inspects, prices and does the job, and you pay it (or your insurer does, as you arrange). If it cannot pick up, it gets your name, number, town and need so it can call you back.
About this line: DFW Expert Roofers is a free phone line, not a roofing contractor. It answers your call and connects you with an independent local roofing company, which inspects, quotes and does the work, and which you pay directly. Companies may pay a referral fee. Calling the line costs you nothing. See how a call is handled.
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