RATING
—Researched, not yet rated. Ratings are added in a later Des Moines edition.
See the Des Moines list ↗BENCHMARK SCORE
79 / 100Score data confidence 6 of 8 inputs; inputs not observed are left out.
How the score works ↗PRIMARY TRADE
Roofing-led12 of 23 Des Moines siding installers with a record present themselves the same way on their own homepage (observed 2026-10-13).
STATE REGISTRATION
Not checkedIowa requires construction contractors earning at least $2,000 a year from construction to register with the state Department of Inspections, Appeals, and Licensing (DIAL). This company’s registration was not checked for this edition; ask for its Iowa contractor registration number.
Iowa Department of Inspections, Appeals, and Licensing: contractor registration ↗ · observed 2026-10-13
Google listing
4.9 from 141 reviews on the Google Maps listing (listed as Siding contractor), read 2026-10-13. Open the listing ↗
Benchmark score 79 / 100 · data confidence 6 of 8 score inputs. How the score works ↗
- Bayesian Google rating: 30.8 of 35
- Google review volume: 12 of 15
- Has a website: 7 of 7
- Website lists the core service: 7 of 7
- Street address published: 0 of 6
- Iowa license or registration match: not observed, left out
- Manufacturer directory (James Hardie or LP SmartSide): not observed, left out
- Review count percentile in the metro: 6.7 of 10
Listing matched by website domain. A rating is a dated reading of a public listing, not an inspection of work.
Data on this record
Every field we track, shown even when it is missing. “Not observed” means we did not see it in the sources reviewed (a lightweight record: one homepage glance); it is not a finding that the company lacks it.
| Business address | Not observed (directory lists Des Moines, IA) |
|---|---|
| Primary trade | Roofing-led |
| Siding materials | Not observed |
| Siding scope | replacement |
| Service area | Not observed |
| James Hardie | Not observed (directory not checked) |
| LP SmartSide | Not observed |
| Workmanship warranty | Not observed |
| Google rating | 4.9 from 141 reviews (Google Maps listing, read 2026-10-13) |
| State registration | Not observed (not checked) |
Data confidence: 25% (1 of 4 checked inputs observed). Completeness of our record, not a quality score; it adds nothing to any rank.
- Google listing matched: observed
- Iowa license or registration recorded (not checked)
- James Hardie directory status recorded (not checked)
- Siding materials documented: not observed
- Workmanship-warranty term located: not observed
- Service area documented: not observed
Big Roofing lists siding work (replacement), based on a homepage glance on 2026-10-13.
Where this company fits
Service area: Not observed
Materials: Not named in the sources reviewed.
Siding work: replacement.
Question for your estimate: Ask for the workmanship-warranty term in writing; whether the job needs a city permit and who pulls it; how old siding, house wrap and flashing are handled; a completed siding project near you.
Evidence limit: Lightweight record: homepage glance only on 2026-10-13, for the first Des Moines edition; not rated. Company statements are not verified performance. Iowa contractor registration (DIAL) was not checked for this record.
- Listed location
- Des Moines, IA
- Best fit
- Roofing-led company that also lists siding
Against the Des Moines field
- Primary trade
- Roofing-led12 of 23 Des Moines siding installers with a record present themselves the same way on their own homepage (observed 2026-10-13).
- Materials named
- 0The median Des Moines record names 1 siding material.
- Workmanship warranty
- Not located1 of 23 Des Moines records publish a specific workmanship or labor warranty term in the pages reviewed.
- James Hardie
- Not named5 of 23 name James Hardie on their own site. The manufacturer directory was not checked for this edition.
What the published information covers
Company statementThis checklist describes information found in the sources reviewed. “Not located” does not mean the contractor lacks the service or warranty.
Not located in reviewed sources
No siding material named on the homepage; deeper pages not observed.
Documented in reviewed sources
Homepage names siding replacement.
Not located in reviewed sources
Not observed: installation details were not reviewed in this lightweight record.
Not located in reviewed sources
Not observed: completed local siding projects were not reviewed in this lightweight record.
Not located in reviewed sources
Not observed: no workmanship-warranty term covering siding was seen on the homepage.
Record history
Every dated observation behind this record. Later editions add lines here when a rating, directory status or published detail is recorded.
- Company statementBig Roofing homepage reviewed (company source) · source
- Benchmark editionFirst observed: record opened for the first Des Moines research edition (2 sources reviewed; candidate list observed 2026-10-13)
- Review platformGoogle Maps listing read: 4.9 from 141 reviews (matched by website domain) · source
- Directory listingGreater Des Moines Partnership member directory: Contractors/Siding (discovery and listed city only) · source
- Benchmark editionNo ranked Des Moines edition yet: researched, not yet rated
Read the underlying sources
- Big Roofing homepage ↗
Observed 2026-10-13. Company-advertised information. Homepage reviewed 2026-10-13. Presents the company as roofing-led and names siding replacement; no siding material named on the homepage. - Greater Des Moines Partnership member directory: Contractors/Siding ↗
Observed 2026-10-13. Business directory, used for discovery and the listed city only. Used for discovery only. Lists Big Roofing with a Des Moines, IA location.
Published warranties and manufacturer mentions are company statements; directory listings and Google ratings are dated observations, not a guarantee of the outcome of your project. See the method and its limits.
Questions about Big Roofing
Where is Big Roofing located?
A business directory lists Big Roofing in Des Moines, IA (observed October 13, 2026); a street address was not observed on its homepage. A service area was not observed in this lightweight record.
Is Big Roofing rated by Siding Contractor Benchmark?
Not yet. Big Roofing was researched on October 13, 2026 for the first Des Moines edition. Des Moines records are researched, not yet rated; ratings are added in a later edition.
Does Big Roofing install James Hardie siding?
James Hardie was not named on the pages we reviewed on October 13, 2026, and the manufacturer directory was not checked for this edition.
Is Big Roofing registered as a contractor in Iowa?
Not checked. Iowa requires construction contractors earning at least $2,000 a year from construction to register with the Department of Inspections, Appeals, and Licensing (DIAL) (observed October 13, 2026). This lightweight record did not check the company’s registration; ask for its Iowa contractor registration number.
Does Big Roofing publish a workmanship warranty?
A specific workmanship-warranty duration was not located in the sources reviewed on October 13, 2026. Not observed: no workmanship-warranty term covering siding was seen on the homepage. Ask for the labor warranty in writing.
What is Big Roofing’s Benchmark score?
79 out of 100, from its Google Maps listing (4.9 from 141 reviews, read 2026-10-13), its website and published address. 6 of 8 score inputs were observed; inputs we did not observe are left out rather than counted as zero. The score is not an inspection of work.
CITE THIS RECORD
Siding Contractor Benchmark, “Big Roofing — Des Moines siding contractor record,” observed 2026-10-13, https://sidingcontractorbenchmark.com/des-moines/contractors/big-roofing/
Spotted an error? Correct this record.