Updated: Feb 25, 2026
Location and Projects
Address
2701 Gattis School Rd, Round Rock, TX, 78664
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Mammoth Roofing and Solar of Austin
Mammoth Roofing & Solar is Austin’s go-to for residential and commercial roofing services. Whether you need simple repairs or a full-scale replacement, our team will restore your roof to full health, while offering superior customer care the whole way. From asphalt, metal and tile shingle installations to commercial roofing and roof repairs from hail storm damage, our licensed, bonded and insured roofers will uphold the highest standards of workmanship. Even our solar panel and seamless gutter installations are backed by our Two Tusk Lifetime Warranty! Call us today to schedule your free professional roofing evaluation, and find out why we're proud members of the Roofing Contractors Association, using our nation's top manufacturers.
From BuildZoom:
Mammoth Roofing and Solar of Austin at 2701 Gattis School Rd, Round Rock, TX 78664, held a Roofer license (#45878) with the Robinson contractors license board with an expiration date of 12-31-2024. We last verified the license was inactive on 02-24-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 222,249 Texas contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Mammoth Roofing and Solar of Austin Contact Information
Phone Number: (512) 859-5221
Address: 2701 Gattis School Rd, Round Rock, TX 78664
Building Permits by Mammoth Roofing and Solar of Austin
This is a sample of this contractor's permits. Click here to access their complete permit history.
Plumbing permit - remodel - re-roof to existing public school - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2019-063022 PP
Status:
final
Fee:
$670
Permit Type:
C-1000 commercial...
Building Type:
N/A
Mechanical permit - remodel - re-roof to existing public school - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2019-063022 MP
Status:
final
Fee:
$599
Permit Type:
C-1000 commercial...
Building Type:
N/A
Chisholm trail middle school - re-roof + raise mechanical. curbs
Valuation:
$2,046,000
Permit #:
COMM1604-0017
Status:
issued
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Building permit - remodel - re-roof to existing public school - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2019-063022 BP
Status:
final
Fee:
$761
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - repair - reroof existing commercial water pump station and remove and replace air conditioning units (spicewood spring pump station) - c-1000 commercial remodel
Valuation:
$115,000
Permit #:
2011-009385 BP
Status:
final
Fee:
$485
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - repair - reroof existing commercial water pump station and remove and replace air conditioning units (spicewood spring pump station) - c-1000 commercial remodel
Valuation:
$78,000
Permit #:
2011-009386 BP
Status:
final
Fee:
$320
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - repair - reroof existing multi-family apartments(replace expired permit bp-12-113369) - c-1000 commercial remodel
Valuation:
$17,475
Permit #:
2013-063063 BP
Status:
final
Fee:
$176
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - repair - reroof existing multi-family apartments(replace expired permit bp-12-113368) - c-1000 commercial remodel
Valuation:
$16,400
Permit #:
2013-063062 BP
Status:
final
Fee:
$176
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - repair - reroof existing multi-family apartments(replace expired permit bp-12-113366) - c-1000 commercial remodel
Valuation:
$16,400
Permit #:
2013-063061 BP
Status:
final
Fee:
$176
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - remodel - non- structural re-roof to existing domestic violence & sexual assault survival center. - c-1000 commercial remodel
Valuation:
$28,000
Permit #:
2011-080367 BP
Status:
final
Fee:
$200
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - remodel - non-structural re-roof to existing resource center. - c-1000 commercial remodel
Valuation:
$71,800
Permit #:
2011-080343 BP
Status:
final
Fee:
$455
Permit Type:
C-1000 commercial...
Building Type:
N/A
Electrical permit - repair - reroof existing commercial water pump station and remove and replace air conditioning units - c-1000 commercial remodel
Valuation:
$10,000
Permit #:
2011-009386 EP
Status:
final
Fee:
$142
Permit Type:
C-1000 commercial...
Building Type:
N/A
Electrical permit - repair - reroof existing commercial water pump station and remove and replace air conditioning units - c-1000 commercial remodel
Valuation:
$14,000
Permit #:
2011-009385 EP
Status:
final
Fee:
$94
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - remodel - non-structural re-roof to existing school & child development center. - c-1000 commercial remodel
Valuation:
$22,800
Permit #:
2011-080355 BP
Status:
final
Fee:
$165
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - repair - reroof existing public primary educational facility - c-1000 commercial remodel
Valuation:
$22,000
Permit #:
2011-109382 BP
Status:
final
Fee:
$165
Permit Type:
C-1000 commercial...
Building Type:
N/A
Mechanical permit - repair - reroof existing commercial water pump station and remove and replace air conditioning units - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2011-009386 MP
Status:
final
Fee:
$165
Permit Type:
C-1000 commercial...
Building Type:
N/A
Mechanical permit - repair - reroof existing commercial water pump station and remove and replace air conditioning units - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2011-009385 MP
Status:
final
Fee:
$185
Permit Type:
C-1000 commercial...
Building Type:
N/A
Plumbing permit - remodel - install roof drains only. - commercial
Valuation:
N/A
Permit #:
2011-083102 PP
Status:
final
Fee:
$29
Permit Type:
Commercial
Building Type:
N/A
Building permit - remodel - envelope renovation to existing public education facility. - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2020-112155 BP
Status:
expired
Fee:
$728
Permit Type:
C-1000 commercial...
Building Type:
N/A
Building permit - remodel - envelope renovation to existing public education facility. - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2020-112153 BP
Status:
expired
Fee:
$934
Permit Type:
C-1000 commercial...
Building Type:
N/A
Mammoth Roofing and Solar of Austin Reviews
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Mammoth Roofing and Solar of Austin License info
Inactive License
| License # | 45878 |
| Status | Inactive |
| City | Robinson |
| Type | Contractor Registration Non Licensed, Roof |
- According to the City of Robinson, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Mammoth Roofing and Solar of Austin at the City of Robinson.
This is a sample of licensing data; click here to access a complete history.
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16
Permits
- Building permit records show that Mammoth Roofing and Solar of Austin has worked on 16 permitted projects.