Updated: Jul 30, 2025
Location and Projects
Address
100 Pine St, Avondale Estates, GA, 30002
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William Mann Plumber
William Mann, 100 Pine St, Avondale Estates, GA (Employees: Carlos Amaro Osorio, Martin Mann, and Martin William Mann) holds a Conditioned Air license and 6 other licenses according to the Georgia license board.
Their BuildZoom score of 101 ranks in the top 12% of 84,062 Georgia licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William Mann, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William Mann Services
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William Mann Contact Information
Phone Number: (404) 294-5305
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Address: 100 Pine St, Avondale Estates, GA 30002
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William Mann Avondale Estates
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Mann has a BuildZoom score of 101, which places them above 88% of 84,062 contractors in Georgia.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that William Mann has worked on at least
9.0 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
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that William Mann mostly works on
plumbing project
projects.
Pricing
|
2 projects
|
$1mil+ |
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.
Mann mechanical will be doing the underground and above ground plumbing work for dc blox data center being developed at this address. evans general contracting is the gc for the job. their permit number is pcn25-0002
Valuation:
N/A
Permit #:
PP25-0199
Status:
issued
Fee:
$380
Permit Type:
New
Building Type:
N/A
Steamline replacement- installation of steam and condensate lines new manhole existing manhole modifications; impacted roadway sidewalk and landscape will be replaced in-kind **separate application required for any row work by public works.**
Valuation:
$1,738,750
Permit #:
BB-202006965
Status:
issued
Fee:
$14,450
Permit Type:
N/A
Building Type:
Commercial site work
Complete air distribution system installation including hvac piping equipment and ductwork. also includes the necessary supports for equipment piping etc
Valuation:
N/A
Permit #:
BM-202404972
Status:
issued
Fee:
$195
Permit Type:
N/A
Building Type:
Existing
Reworking of ductwork and associated grilles addition of 5 new exhaust fans with 4 new louvers addition of 1 new vav box insulation for ductwork
Valuation:
N/A
Permit #:
BM-202303615
Status:
issued
Fee:
$325
Permit Type:
N/A
Building Type:
Existing
Interior finish walgreens central pharmacy
Valuation:
$11,503,645
Permit #:
COMBLD2023-00062
Status:
expired
Fee:
$58,148
Permit Type:
N/A
Building Type:
N/A
Grady memorial hospital campus stem replacement steam/condensate pipe replacement 10 steamline & 6 condensate line
Valuation:
N/A
Permit #:
BM-202101181
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Installation of new kitchen equipment in existing food service kitchen and pantries
Valuation:
N/A
Permit #:
BM-202304100
Status:
issued
Fee:
$275
Permit Type:
N/A
Building Type:
Existing
Removal and installation of: (2) 300 ton centrifugal chillers (2) 300 ton cooling towers (2) 900 gpm pumps (4) 576 gpm pumps (1) 60 ton air cooled chiller (1) 3000 cfm exhaust fan
Valuation:
N/A
Permit #:
BM-201906093
Status:
issued
Fee:
$185
Permit Type:
N/A
Building Type:
Existing
Install two 150 ton chillers and two cooling towers
Valuation:
N/A
Permit #:
BM-202400874
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
Existing
Piedmont atl hosp: phase 1b-- demolish fan coil unit/vav install new fcu/vav
Valuation:
N/A
Permit #:
BM-202003803
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
O.wayne rollins research center - lab 2152 2nd floor replacement: ductwork
Valuation:
N/A
Permit #:
BM-202000241
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Install new lavatory in new lactation room. extend existing labaratory air and vacuum lines. lic#=mp001679 type=plumb2 exp dt=31-dec-19 id=ac1278480
Valuation:
$0
Permit #:
953894
Status:
suspended
Fee:
$120
Permit Type:
D-plumbing
Building Type:
N/A
Install new 7-ton o.a. unit with duct worl. install (2) new vavs. install (1) new fcu. lic#=cn209949 type=hvac2 exp dt=30-nov-19 id=ac2077400
Valuation:
$0
Permit #:
953895
Status:
suspended
Fee:
$295
Permit Type:
D-HVAC
Building Type:
N/A
Install new cooling tower
Valuation:
N/A
Permit #:
BM-202100598
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Demolition of existing restrooms and remodeling restrooms lic#=mp001679 type=plumb2 exp dt=31-dec-19 id=ac1278480
Valuation:
N/A
Permit #:
957041
Status:
suspended
Fee:
$198
Permit Type:
D-plumbing
Building Type:
N/A
Demolish existing vav. install new vav
Valuation:
N/A
Permit #:
BM-202003801
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Remolding of existing ahu piu fans lic#=cn007169 type=hvac2 exp dt=30-nov-19 id=ac1022269
Valuation:
N/A
Permit #:
957042
Status:
suspended
Fee:
$1,370
Permit Type:
D-HVAC
Building Type:
N/A
Duct alteration
Valuation:
N/A
Permit #:
BM-202003289
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Target #1780 - commercial remodel/alteration
Valuation:
N/A
Permit #:
PPLUC-000029-2019
Status:
issued
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Interior finish phase 2 of project cecil - interior renovation of existing building. building addition authorized under bld2019-00327 right now we are only requesting a permit for the underground plumbing. full interior plans will follow in february
Valuation:
$1,575,000
Permit #:
COMBLD2021-02720
Status:
final
Fee:
$9,850
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
William Mann License info
License Not Verified
| License # | GAREGCN209949 |
| Status | Active |
| State | Georgia |
| Type | Conditioned Air |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of William Mann with the Georgia Department of Professional Licensing
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GACN007169 |
| Status | Active |
| State | Georgia |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for William Mann at the Georgia Department of Professional Licensing.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GCCO003757 |
| Status | Active |
| State | Georgia |
| Type | Residential/General Contractor |
- When BuildZoom last verified this license, it had an expiration date of June, 2022. Check the current license status of William Mann with the Georgia Department of Professional Licensing
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | GAREGCN007169 |
| Status | Unable To Verify |
| State | Georgia |
| Type | Conditioned Air |
- 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 # | PEF004830 |
| Status | Inactive |
| State | Georgia |
| Type | Engineer Firm |
- According to the Georgia Department of Professional Licensing, 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 William Mann at the Georgia Department of Professional Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CN007169 |
| Status | Inactive |
| State | Georgia |
| Type | Conditioned Air |
- According to the Georgia Department of Professional Licensing, 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 William Mann at the Georgia Department of Professional Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | UC300048 |
| Status | Inactive |
| State | Georgia |
| Type | Utility |
- According to the Georgia Department of Professional Licensing, 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 William Mann at the Georgia Department of Professional Licensing.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
127
Permits
- Building permit records show that William Mann has worked on 127 permitted projects.
William Mann Employees
CO
Carlos Amaro Osorio
Supervisor
MM
Martin Mann
MM
Martin William Mann
Qualifying Agent
TC
Tony Lee Caldwell
Qualifying Agent