Updated: Jul 07, 2026
Location and Projects
Address
3255 OLD MILL CREEK RD, Brenham, TX, 77833
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Mechanical Systems
Mechanical Systems, 3255 Old Mill Creek Rd, Brenham, TX (Owned by: William W. Holloway) holds a State Rmp Contractor license and 5 other licenses according to the San Antonio license board.
Their BuildZoom score of 97 ranks in the top 18% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mechanical Systems, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mechanical Systems Contact Information
Phone Number: (281) 642-2975
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Address: 3255 OLD MILL CREEK RD, Brenham, TX 77833
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Building no: 26; unit no: 26; a multifamily garden-style apartment complex with a total of 372 dwelling units. total of 12 buildings with dwelling units. the project also contains 18 standalone detached garages a clubhouse 2 trash enclosures and 10 carport structures
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40200509
Status:
final
Fee:
$1,467
Permit Type:
N/A
Building Type:
N/A
Eplan-expedited review: new construction of mixed use - multi family building. . fire area 2 also contains club and record lounge leasing lobby and mail live work units with commercial sf - 109 111 113 115 117 119 121 123 and 125. (143561 sf)
Valuation:
N/A
Permit #:
2023-134489 PP
Status:
issued
Fee:
N/A
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Eplan-expedited review: new construction of mixed use - multi family building. fire area 3 contains resident lounge fitness and uber lounge with live work units with commerical sf - 101 102 103 104 105. (126 618 sf)
Valuation:
N/A
Permit #:
2023-134491 PP
Status:
issued
Fee:
N/A
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Eplan-expedited review: new construction of mixed use - multi family building. fire area 1 also contains pool lounge live work units with commercial sf - 127 129 131 133 135 and 5th floor lounge. (110980 sf)
Valuation:
N/A
Permit #:
2023-134488 PP
Status:
issued
Fee:
N/A
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of club house - 1st floor leasing rec room media 2nd floor fitness tv room and co-working with apartments on the 2nd and 3rd floors (18, 472 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036574 PP
Status:
issued
Fee:
$3,340
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Eplan: expedited review - [approved] new construction of a 5-story multi-family building. - fire area 2 - includes leasing fitness club mail and terrace (153575 sf)
Valuation:
N/A
Permit #:
2023-160243 PP
Status:
issued
Fee:
N/A
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan - expedited review: new construction accessory structures pergola to multi - family residence. ( 167 sf.) (@outdoor kitchen area. - c- 329 commercial structures other than building
Valuation:
N/A
Permit #:
2021-058260 PP
Status:
final
Fee:
$337
Permit Type:
C- 329 commercial...
Building Type:
N/A
Plumbing permit - new - eplan - expedited review: new construction accessory structures pergola to multi - family residence. ( 167 sf.) (@outdoor kitchen area. - c- 329 commercial structures other than building
Valuation:
N/A
Permit #:
2021-058259 PP
Status:
final
Fee:
$337
Permit Type:
C- 329 commercial...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of multi-family building. fire area 1a (floors 3-7). contains 3rd floor fitness club and pool courtyard 9100 sf. and 7th floor sky lounge and sky deck. (175219 sf. 185 units). - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2020-110543 PP
Status:
issued
Fee:
$11,023
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Eplan: expedited review - [approved] new construction of a 5-story parking garage - fire area 1 - includes maintenance bike storage and trash (159735 sf)
Valuation:
N/A
Permit #:
2023-160247 PP
Status:
issued
Fee:
N/A
Permit Type:
C- 321 pkg garage...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction accessory leasing office building. - contains fitness mail and club ( 5049 sf.) - c- 328 commercial other nonresident building
Valuation:
N/A
Permit #:
2021-207728 PP
Status:
issued
Fee:
$555
Permit Type:
C- 328 commercial...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 2-story multi-family building. with private garages (30, 482 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036551 PP
Status:
issued
Fee:
$5,342
Permit Type:
C- 105 five or mo...
Building Type:
N/A
**migrated** complex plans borden park apartments club house downtown team; **migrated** hansen ap# a2604656 this project has several permits. this permit is for the clubhouse
Valuation:
N/A
Permit #:
COM-SIT-PMT21-40100472
Status:
issued
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 3-story multi-family building. with private garages (21, 266 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036565 PP
Status:
issued
Fee:
$3,831
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 3-story multi-family building. with private garages (19, 696 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036557 PP
Status:
issued
Fee:
$3,559
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 3-story multi-family building. with private garages (21, 266 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036559 PP
Status:
issued
Fee:
$3,831
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 3-story multi-family building. with private garages (21, 266 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036569 PP
Status:
issued
Fee:
$3,831
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 3-story multi-family building. with private garages (21, 266 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036568 PP
Status:
issued
Fee:
$3,831
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 3-story multi-family building. with private garages (10, 966 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036567 PP
Status:
issued
Fee:
$2,060
Permit Type:
C- 105 five or mo...
Building Type:
N/A
Plumbing permit - new - eplan: expedited review - new construction of a 2-story multi-family building. with private garages (8, 708 sf) - c- 105 five or more family bldgs
Valuation:
N/A
Permit #:
2022-036573 PP
Status:
issued
Fee:
$1,619
Permit Type:
C- 105 five or mo...
Building Type:
N/A
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Mechanical Systems Reviews
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Verified License
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Mechanical Systems License info
Verified License
| License # | PM18997 |
| Status | Active |
| City | San Antonio |
| Type | State Rmp Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Mechanical Systems 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 # | PM9140 |
| Status | Active |
| City | San Antonio |
| Type | Pm Plumber |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Mechanical Systems 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 # | TACLA00022522E |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mechanical Systems 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 # | 3257 |
| Status | Active |
| City | Round Rock |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2009. Check the current license status of Mechanical Systems with the The City of Round Rock, TX
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PM9140 |
| Status | Inactive |
| City | San Antonio |
| Type | Pm Plumber |
- 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 Mechanical Systems 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 # | PM9140 |
| 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 Mechanical Systems at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
92
Permits
- Building permit records show that Mechanical Systems has worked on 92 permitted projects.
Mechanical Systems Employees
GH
Gregory Holloway
MF
Matlock, Robert Forrest
Owner
NN
None None
None
WH
William Holloway
Owner
WH
William W Holloway
None
WH
William W. Holloway
Owner