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G

Location and Projects

Address
2089 Corporate 44 Dr., Fenton, MO, 63026
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Gross Mechanical Contractors, Inc

Gross Mechanical Contractors, Inc, 2089 Corporate #44 Dr, Fenton, MO (Owned by: Hanford Gross) holds a Mechanical license and 3 other licenses according to the St Louis County license board.

Their BuildZoom score of 99 ranks in the top 15% of 23,328 Missouri licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Gross Mechanical Contractors, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Gross Mechanical Contractors, Inc Services

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Gross Mechanical Contractors, Inc Contact Information

Phone: (314) 645-0077 Edit
Address: 2089 Corporate 44 Dr., Fenton, MO 63026 Edit

Gross Mechanical Contractors, Inc Fenton

Quality

99
85th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Gross Mechanical Contractors, Inc has a BuildZoom score of 99, which places them above 85% of 23,328 contractors in Missouri.

Activity

2 projects
 2025
Our building permit records indicate that Gross Mechanical Contractors, Inc has worked on at least 2.0 projects over the past year.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

2 projects
 < $5k
Value Not Public: 0 projects
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.

Building Permits by Gross Mechanical Contractors, Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Mechanical residential mechanical
21 Gocke Pl, Saint Louis, MO, 63114
2025-06-30
Generator install-mechanical scope-new valve after meter with carbon screw piping underground piping is poly carbon with valve to generator. wire installed on piping and backfill open looking to get approved for backfill asap
Valuation:
$3,000
Permit #:
25MEC-05393
Status:
issued
Fee:
$79
Permit Type:
Miscellaneous work
Building Type:
N/A
Mechanical residential mechanical
2443 Chaucer Ave, Saint Louis, MO, 63114
2025-07-28
Isolation valve at generator and at meter with carbon piping poly underground with 1 flex connection for siesmic per generator specifications supplied with generator. steve kohlberg at gross as back up 6185676025
Valuation:
$3,000
Permit #:
25MEC-06561
Status:
issued
Fee:
$79
Permit Type:
Alteration
Building Type:
N/A
Mechanical commercial mechanical
201 E Hoffmeister Ave, Saint Louis, MO, 63125
2019-07-26
Remove and replace fans: msd lemay treatment plant
Valuation:
$499,900
Permit #:
19MEC-07195
Status:
issued
Fee:
$419
Permit Type:
Replacement
Building Type:
N/A
Mechanical commercial mechanical
13818 Rider Trl, Earth City, MO, 63045
2021-11-24
Install fuel tank dispenser (united parcel services) 21ele-13927
Valuation:
$65,000
Permit #:
21MEC-10549
Status:
complete
Fee:
$568
Permit Type:
Addition
Building Type:
N/A
Mechanical commercial mechanical
405 Goddard Ave, Chesterfield, MO, 63005
2018-03-08
Install of 8 tee in underground line - spirit ii pump station
Valuation:
$50,000
Permit #:
18MEC-01784
Status:
issued
Fee:
$79
Permit Type:
Addition
Building Type:
N/A
Mechanical commercial mechanical
2156 Creve Coeur Mill Rd, Saint Louis, MO, 63146
2022-09-23
Msd - demolish existing biofilter odor control system install new activated carbon odor control system
Valuation:
$515,418
Permit #:
22MEC-07424
Status:
issued
Fee:
$3,188
Permit Type:
Replacement
Building Type:
N/A
Mechanical commercial mechanical
1733 Gilsinn Ln, Fenton, MO, 63026
2019-04-08
Alkem lab - cream blending - move 2 industrial floor drains air piping vaccum piping & diffusers
Valuation:
$247,000
Permit #:
17MEC-09639
Status:
complete
Fee:
$1,651
Permit Type:
Alteration
Building Type:
N/A
Mechanical commercial mechanical
2220 Creve Coeur Mill Rd, Maryland Heights, MO, 63043
2022-09-23
Msd - demolish existing biofilter odor control system install new activated carbon odor control system
Valuation:
$515,418
Permit #:
22MEC-07422
Status:
issued
Fee:
$3,188
Permit Type:
Replacement
Building Type:
N/A
Mechanical commercial mechanical
1945 Walton Rd, Saint Louis, MO, 63114
2020-08-31
Install process equipment and piping - avantor
Valuation:
$95,000
Permit #:
20MEC-08463
Status:
plancheck
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Mechanical commercial mechanical
45 Progress Pkwy, Maryland Heights, MO, 63043
2015-07-10
Tank unload & setting
Valuation:
$125,000
Permit #:
15MEC-00587
Status:
complete
Fee:
$2,485
Permit Type:
Other
Building Type:
N/A
Mechanical commercial mechanical
3943 Robert Koch Hospital Rd, Saint Louis, MO, 63129
2014-04-02
Replace (1) 3 125 hp pump hp pump - msd pump station
Valuation:
$46,000
Permit #:
13MEC-09234
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Building residential new building
121 Knippenberg Dr, Saint Louis, MO, 63129
2009-05-22
New single family dwelling premise # 288 306 030
Valuation:
$180,000
Permit #:
09BLD-00473
Status:
complete
Fee:
$816
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
12976 St Charles Rock Rd, Bridgeton, MO, 63044
2014-07-02
Cng facility upgrade/(republic services)
Valuation:
$145,000
Permit #:
14MEC-01486
Status:
complete
Fee:
$1,009
Permit Type:
Alteration
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - charles knight executive center
Valuation:
$92,105
Permit #:
09MEC-01970
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - laboratory sciences
Valuation:
$92,105
Permit #:
09MEC-02004
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - women's building
Valuation:
$92,105
Permit #:
09MEC-02018
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - ridgley hall
Valuation:
$92,105
Permit #:
09MEC-02007
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - power house
Valuation:
$92,105
Permit #:
09MEC-02006
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - mcmillan hall
Valuation:
$92,105
Permit #:
09MEC-02005
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Mechanical commercial mechanical
1 Brookings Dr, Saint Louis, MO, 63130
2009-07-21
Low pressure steam conversion - jolley hall
Valuation:
$92,105
Permit #:
09MEC-02003
Status:
complete
Fee:
$670
Permit Type:
N/A
Building Type:
N/A

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