Location and Projects
Slater Waterproofing Photos
Slater Waterproofing Engineer
Slater Waterproofing, Inc. offers various below grade waterproofing systems for all types of structures eliminating future expensive excavation to repair water damage.
Slater Waterproofing, Inc. has the combined experience of over 60 years in the waterproofing field. Our quality, professionalism and techniques ensure that your waterproofing project will be done correctly... the first time!
From BuildZoom: Slater Waterproofing, 5577 Arrow Hwy, Montclair, CA (Employees: Lawrence Joseph Mc Cauley, Merle Madison Slater Jr, and Merle Madison Slater Sr) holds a Painting And Decorating, General Building, Waterproofing & Weatherproofing, General Engineering, Concrete Related Services, Synthetic Products license and 4 other licenses according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Slater Waterproofing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Slater Waterproofing Services
Slater Waterproofing Contact Information
Slater Waterproofing Montclair
Quality
Activity
|
1 project
|
2025 |
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$500k-$1mil |
This is a sample of this contractor's permits. Click here to access their complete permit history.
Slater Waterproofing Reviews
Hiring a contractor?
Slater Waterproofing License info
Verified License
| License # | 373368 |
| Status | Active |
| State | California |
| Type | Painting And Decorating, General Building, Waterproofing & Weatherproofing, General Engineering, Concrete Related Services, Synthetic Products |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Slater Waterproofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 373368 |
| Status | Active |
| State | California |
- When BuildZoom last verified this license, it had an expiration date of April, 2021. Check the current license status of Slater Waterproofing with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 373368 |
| Status | Inactive |
| City | Oceanside |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Slater Waterproofing at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 689678 |
| Status | Inactive |
| State | California |
| Type | General Engineering, Painting And Decorating |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Slater Waterproofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 332283 |
| Status | Inactive |
| State | California |
| Type | Painting And Decorating, Waterproofing & Weatherproofing |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Slater Waterproofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | Old Republic Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Zurich American Insurance Company |
34
Permits
- Building permit records show that Slater Waterproofing has worked on 34 permitted projects.