Updated: Apr 21, 2026
Location and Projects
Address
1307 N 31st Rd, Hollywood, FL, 33021
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A-1 Backflow Service Plumber
We test, service, and install all types of backflow devices in Broward, Miami-Dade, and Palm Beach counties.
From BuildZoom: A-1 Backflow Service, Corp, 1307 N 31st Rd, Hollywood, FL (Employees: William M Cannizzaro and William Michael Cannizzaro) holds a Construction Business Information license and 7 other licenses according to the Florida license board.
Their BuildZoom score of 97 ranks in the top 18% of 191,428 Florida licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring A-1 Backflow Service, Corp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
A-1 Backflow Service, Corp Services
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A-1 Backflow Service, Corp Contact Information
Phone Number: (954) 989-2585
Address: 1307 N 31st Rd, Hollywood, FL 33021
A-1 Backflow Service, Corp Hollywood
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
A-1 Backflow Service, Corp has a BuildZoom score of 97, which places them above 82% of 191,428 contractors in Florida.
Activity
|
1 project
|
2025 |
|
6 projects
|
2023 |
Our building permit records indicate that A-1 Backflow Service, Corp has worked on at least
7.0 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
|
7 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that A-1 Backflow Service, Corp mostly works on
plumbing project
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
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 A-1 Backflow Service, Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new domestic water rpz backflow preventer. the president of the association folio number is to be used for permitting purpose only
Valuation:
$1,100
Permit #:
P22-00040
Status:
complete
Fee:
$206
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00521
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00504
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00503
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00502
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00501
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00500
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00499
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Install 1-2 rpz wilkins 975xl2 or apollo rplf4a backflow preventer on existing water service to building near meter
Valuation:
$1,825
Permit #:
P22-00498
Status:
complete
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Backflow for new single family house
Valuation:
N/A
Permit #:
P23-00349
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Replace existing 1 backflow preventer
Valuation:
N/A
Permit #:
EBP23-001897
Status:
final
Fee:
N/A
Permit Type:
Backflow preventor
Building Type:
N/A
Replace existing backflow preventer entrance fountain
Valuation:
$2,595
Permit #:
EBP22-000736
Status:
final
Fee:
$110
Permit Type:
Backflow preventor
Building Type:
N/A
Install new domestic water rpz backflow preventer 16060-16098 fairway circle
Valuation:
$1,482
Permit #:
P22-00062
Status:
complete
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16038-16054 fairway circle
Valuation:
$1,482
Permit #:
P22-00061
Status:
complete
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16020-16036 fairway lane
Valuation:
$1,482
Permit #:
P22-00060
Status:
complete
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16045-16063 fairway circle
Valuation:
$1,482
Permit #:
P22-00059
Status:
complete
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16000-16030 fairway circle
Valuation:
$1,482
Permit #:
P22-00058
Status:
complete
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16021-16039 fairway lane
Valuation:
$1,373
Permit #:
P22-00051
Status:
complete
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16044-16056 fairway circle
Valuation:
$1,373
Permit #:
P22-00050
Status:
complete
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Install new domestic water rpz backflow preventer 16022-16040 fairway terrace
Valuation:
$1,373
Permit #:
P22-00049
Status:
complete
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
A-1 Backflow Service, Corp Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
A-1 Backflow Service, Corp License info
Verified License
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- BuildZoom verified this license was active as of April 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CFC056468 |
| Status | Active |
| State | Florida |
| Type | Certified Plumbing Contractor |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for A-1 Backflow Service, Corp at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | A-1 BACKFLOW SERVICE CORP - MASTER PLUMBER |
| Status | Inactive |
| City | Hollywood |
| Type | Plumber |
- According to the City of Hollywood Contractor Directory, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for A-1 Backflow Service, Corp at the City of Hollywood Contractor Directory.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | A1 BACKFLOW SERVICE CORP - PLUMBING GAS CONT. QUAL. BD. |
| Status | Inactive |
| City | Hollywood |
| Type | Plumbing + Gas Cont. Qual. Bd. |
- According to the City of Hollywood Contractor Directory, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for A-1 Backflow Service, Corp at the City of Hollywood Contractor Directory.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CFC1426231 |
| Status | Inactive |
| Pinecrest | |
| Type | Plumbing |
- According to the The Village of Pinecrest, Florida, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for A-1 Backflow Service, Corp at the The Village of Pinecrest, Florida.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | A1 BACKFLOW SERVICE CORP - PLUMBING GAS CONT. QUAL. BD. |
| Status | Inactive |
| City | Hollywood |
| Type | Plumbing + Gas Cont. Qual. Bd. |
- According to the City of Hollywood Contractor Directory, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for A-1 Backflow Service, Corp at the City of Hollywood Contractor Directory.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | A-1 BACKFLOW SERVICE CORP - MASTER PLUMBER |
| Status | Inactive |
| City | Hollywood |
| Type | Plumber |
- According to the City of Hollywood Contractor Directory, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for A-1 Backflow Service, Corp at the City of Hollywood Contractor Directory.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Hollywood |
| Type | Plumber |
- According to the City of Hollywood Contractor Directory, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for A-1 Backflow Service, Corp at the City of Hollywood Contractor Directory.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Insured
| Insurer | Atlantic Casualty Insurance Company |
Insured
| Workers Comp Provider | Frank Winston Crum Insurance Co |
333
Permits
- Building permit records show that A-1 Backflow Service, Corp has worked on 333 permitted projects.
A-1 Backflow Service, Corp Employees
WC
William M Cannizzaro
Licensee
WC
William Michael Cannizzaro