Updated: Jul 07, 2026
Location and Projects
Address
5420 GULFTON STREET, Houston, TX, 77081
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Schaffer Mechanical
Schaffer Mechanical, 5420 Gulfton St, Houston, TX (Owned by: Schaffer Jack Lawrence) holds a Mechanical license and 41 other licenses according to the Denton license board.
Their BuildZoom score of 112 ranks in the top 3% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Schaffer Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Schaffer Mechanical Contact Information
Phone Number: (713) 669-0099
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Address: 5420 GULFTON STREET, Houston, TX 77081
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Schaffer Mechanical Houston
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Schaffer Mechanical has a BuildZoom score of 112, which places them above 97% of 222,249 contractors in Texas.
Activity
|
27 projects
|
2025 |
|
100 projects
|
2024 |
|
47 projects
|
2023 |
Our building permit records indicate that Schaffer Mechanical has worked on at least
174.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
29 projects
|
New Constructions |
|
5 projects
|
Home Additions |
|
116 projects
|
Mechanical projects |
|
18 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Schaffer Mechanical mostly works on
mechanical project
and new construction
projects.
Pricing
|
11 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
9 projects
|
$1mil+ |
The typical size of their permits is approximately $103,719. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
(epr) the avenue - building ia - 5-story multifamily type va wood frame construction; 98 units master permit
Valuation:
$2,170,000
Permit #:
007057-2023-CB
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 8 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00041
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 7 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00040
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 6 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00039
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 5 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00038
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 4 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00037
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 3 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00036
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 2 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00035
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swbc craig ranch ph 2 building 1 multi-family including 271 dwelling units and a clubhouse with administration offices in a single 4-story building. multi-level parking garage will be permitted separately
Valuation:
$28,500,000
Permit #:
STRUC2019-00034
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building #4 type iv withing a multi-family housing development. four story type va apartment buildings and one-story ancillary buildings. this building type includes a firewall separating fire areas a and b
Valuation:
N/A
Permit #:
2023-030172 MP
Status:
issued
Fee:
N/A
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Painted trees apts ph 2 partial plumbing rough
Valuation:
$44,279,801
Permit #:
STRUC2025-00073
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building #1 type i withing a multi-family housing development. four story type va apartment buildings and 1 story ancillary buildings. type i includes an a-3 culbhouse on the 1st and 2nd floors
Valuation:
N/A
Permit #:
2023-030169 MP
Status:
issued
Fee:
N/A
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Building no: 3; unit no: 3; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201012
Status:
filed
Fee:
$9,412
Permit Type:
N/A
Building Type:
N/A
Building no: 2; unit no: 2; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201011
Status:
filed
Fee:
$10,668
Permit Type:
N/A
Building Type:
N/A
Building no: 1; unit no: 1; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201010
Status:
filed
Fee:
$9,412
Permit Type:
N/A
Building Type:
N/A
Building no: 16; unit no: 16; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201025
Status:
filed
Fee:
$10,513
Permit Type:
N/A
Building Type:
N/A
Building no: 15; unit no: 15; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201024
Status:
filed
Fee:
$10,513
Permit Type:
N/A
Building Type:
N/A
Building no: 14; unit no: 14; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201023
Status:
filed
Fee:
$10,616
Permit Type:
N/A
Building Type:
N/A
Building no: 13; unit no: 13; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201022
Status:
filed
Fee:
$10,513
Permit Type:
N/A
Building Type:
N/A
Building no: 12; unit no: 12; ***per customer swimming pool and retaining walls will be permitted separately all other structures will be included in scope of work*** new construction to include site work for a new apartment complex
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201021
Status:
filed
Fee:
$9,206
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Schaffer Mechanical License info
Verified License
| License # | C3517 |
| Status | Active |
| County | Denton |
| Type | Mechanical |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Schaffer Mechanical at the Denton County.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C3517 |
| Status | Active |
| County | Denton |
| Type | Mechanical |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Schaffer Mechanical at the Denton County.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Denton |
- When BuildZoom last verified this license, it had an expiration date of July, 2024. Check the current license status of Schaffer Mechanical with the Denton County
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 25-000708 |
| Status | Active |
| City | Mansfield |
| Type | Mechanical Contractor |
| Date Issued | 07-29-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Schaffer Mechanical at the City of Mansfield.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 18-003871 |
| Status | Active |
| City | Mansfield |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Schaffer Mechanical with the City of Mansfield
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 19-061214 |
| Status | Active |
| City | Alvin |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Schaffer Mechanical at the City of Alvin.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 18-003871 |
| Status | Active |
| City | Mansfield |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Schaffer Mechanical with the City of Mansfield
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2024 113365 000 00 BR |
| Status | Active |
| City | Arlington |
| Type | Hvac Mechanical Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Schaffer Mechanical at the City of Arlington, TX.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC7610 |
| Status | Active |
| City | Plano |
| Type | Mechanical/Hvac |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Schaffer Mechanical at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HAC2102 |
| Status | Active |
| City | San Antonio |
| Type | State Mechanical Contractor Hac |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Schaffer Mechanical at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLA00002102C |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Schaffer Mechanical at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MECH8431109 |
| Status | Active |
| City | Grapevine |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Schaffer Mechanical with the City of Grapevine
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC8543527 |
| Status | Active |
| City | Waller |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2025. Check the current license status of Schaffer Mechanical with the City of Waller
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC7672494 |
| Status | Active |
| City | Corinth |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2018. Check the current license status of Schaffer Mechanical with the City of Corinth
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9818 |
| Status | Active |
| City | Allen |
| Type | Hvac Contractors |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of Schaffer Mechanical with the City of Allen, TX
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Round Rock |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2018. Check the current license status of Schaffer Mechanical with the The City of Round Rock, TX
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Dallas |
| Type | Mechanical (Me) |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of Schaffer Mechanical with the City of Dallas
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Laredo |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Schaffer Mechanical with the City of Laredo Building Development Services
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9158 |
| Status | Active |
| Town | Flower Mound |
| Type | Lic Cont (Bi), Mechanical |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Schaffer Mechanical with the Flower Mound Department of Building Inspections
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TXW005379 |
| Status | Active |
| State | Texas |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Schaffer Mechanical at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 25- 000643 |
| Status | Unable To Verify |
| City | Celina |
| Type | Hvac Contractor |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REG11358 |
| Status | Inactive |
| Type | Hvac Contractor Registration |
- According to the local license board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REG12411 |
| Status | Inactive |
| Type | Hvac Contractor Registration |
- According to the local license board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TACLA2102C |
| Status | Inactive |
| City | Cibolo |
| Type | Mechanical / Hvac |
- According to the City of Cibolo, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Cibolo.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC-9158 |
| Status | Inactive |
| Town | Flower Mound |
| Type | Lic Cont (Bi) |
- According to the Flower Mound Department of Building Inspections, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the Flower Mound Department of Building Inspections.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HAC2102 |
| Status | Inactive |
| City | San Antonio |
- According to the City of San Antonio, TX Licensed Contractors, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TACLA2102C |
| Status | Inactive |
| City | Keller |
| Type | Contractor |
- According to the The City of Keller, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 13704 |
| Status | Inactive |
| City | Keller |
| Type | Contractor |
- According to the The City of Keller, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REC'D 10/19/16 |
| Status | Inactive |
| City | Waco |
| Type | City Insurance |
- According to the City of Waco, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Waco.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MECH7618752 |
| Status | Inactive |
| City | Farmers Branch |
| Type | Mechanical Contractor |
- According to the City of Farmers Branch, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Farmers Branch.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | M01335 |
| Status | Inactive |
| City | Irving |
- According to the City of Irving Inspection Department, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MC8846811 |
| Status | Inactive |
| Town | Litttle Elm |
| Type | Mechanical Contractor |
- According to the Town of Little Elm, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the Town of Little Elm.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20827 |
| Status | Inactive |
| City | Plano |
| Type | Mechanical Contractor |
- According to the City of Plano, Texas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| Town | Flower Mound |
| Type | Licensed Contractor |
- According to the Flower Mound Department of Building Inspections, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R08-0696 |
| Status | Inactive |
| City | Frisco |
| Type | Building |
- According to the The City of Frisco, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | W004723 |
| Status | Inactive |
| City | Fort Worth |
| Type | Mech Env Ac & Heating Comm Refrig/Heat |
- According to the City of Fort Worth Planning and Development, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Fort Worth Planning and Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | W005379 |
| Status | Inactive |
| City | Fort Worth |
| Type | Mech Env Ac & Heating Comm Refrig/Heat |
- According to the City of Fort Worth Planning and Development, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Fort Worth Planning and Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONT2002-528 |
| Status | Inactive |
| City | Galveston |
| Type | Mechanical |
- According to the City of Galveston Department Of Planning And Community Development, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Galveston Department Of Planning And Community Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC2591 |
| Status | Inactive |
| Town | Prosper |
| Type | Contractor |
- According to the The Town of Prosper, TX, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the The Town of Prosper, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TACLA002102C |
| Status | Inactive |
| City | Baytown |
| Type | Mechanical Contractor |
- According to the City of Baytown, Texas, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Schaffer Mechanical at the City of Baytown, Texas.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Bowen Miclette |
3K
Permits
- Building permit records show that Schaffer Mechanical has worked on 3018 permitted projects.
Schaffer Mechanical Employees
CH
Claudia Hollis
Owner
CH
Claudia, Hollis
JS
Jack L Schaffer
JS
Jack Schaffer
Owner
NN
None None
None
SL
Schaffer Jack L
Owner
SL
Schaffer Jack Lawrence
Owner
SM
Schaffer Mechanical
Owner
SL
Schaffer, Jack Lawrence
Owner