SLATER WATERPROOFING INC. is a California corporation, registered on November 29, 1978. It is based at 5577 ARROW HWY, MONTCLAIR, CA, 91763, United States. The company is currently listed as active on the California register, is registered under company number 0878552 and carries EIN 953352055. Its officers and directors on record include MERLE SLATER, LARRY MCCAULEY, Merle Slater, among 4 on file. Public records for the company include 1 SoS registration, 1 license, 3 federal contracts, 2 loan records and 17 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | SLATER WATERPROOFING INC. |
|---|---|
| Principal address | 5577 ARROW HWYMONTCLAIR91763CAUnited States |
| Mailing address | 5577 ARROW HWY, MONTCLAIR, CA, 91763, US |
| Registration state | California |
| Status | Active |
| Registered | 29 November 1978 (over 47 years ago) |
| Officers & directors | MERLE SLATER, director, officerLARRY MCCAULEY, director, officer |
| Entity type | Corporation |
| Standing | compliant |
| Company number |
| 0878552 |
| EIN | 953352055 |
|---|
| Employees (modeled) | ≈38 employees2025 |
|---|
| Licenses on file | 1 |
|---|
| Registered agent | MERLE M SLATER JR |
|---|
| Source registry | California Secretary of State · updated 10 August 2026 |
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| Public records | 1 SoS registration |
|---|
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| Est. revenue (modeled) | $8.3M2025 |
|---|---|
| Federal contractor | Yes · 3 federal recipient records (SAM) |
| SBA loans | $748K · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| CaliforniaTHIS | SLATER WATERPROOFING INC. | 1978-11-29 | MERLE M SLATER JR | MERLE SLATERDirector, OfficerLARRY MCCAULEYDirector, Officer | Active | |
Filing ID 0878552 Jurisdiction Domestic · Corporation Principal address 5577 ARROW HWY, MONTCLAIR, CA, 91763, United States Registered agent MERLE M SLATER JR5577 ARROW HWY, MONTCLAIR, CA, 91763 Officers MERLE SLATERDirector, Officer LARRY MCCAULEYDirector, Officer | ||||||
| Florida | SLATER WATERPROOFING INC. | 1995-08-08 | JOSEPH KUHARCIK | LESLIE B SLATEROfficer, DirectorMERLE M SLATERDirector, Officer1 more | Inactive | |
| Idaho | Slater Waterproofing Inc. | 2020-10-20 | Laura Cefola | Chad GamellOfficerLarry McCauleyOfficer, Director1 more | Active | |
Companies and people linked to SLATER WATERPROOFING INC. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| California | — | — | 2025-09-28 | Unknown | |
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $331,800 | 04/28/2020 | Banner Bank | 29 | Paid in Full | |
| $416,505 | 02/03/2021 | Banner Bank | 29 | Paid in Full | |
Employee-benefit plan filings by SLATER WATERPROOFING INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈38 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $8.3M |
| Retirement plan assets | $8.3M |
| Benefit plans | 401(k) plan on file |
| Filing history | 21 plan years filed, 2004–2025 |
| Sponsor EIN | 95-3352055 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈38 | 44 (34 active) | $8.3M | $8.3M | 401(k) | |
| 2024 | ≈37 | 44 (33 active) | $6.8M | $9.2M | 401(k) | |
| 2023 | ≈40 | 42 (36 active) | $6M | $9.1M | 401(k) | |
| 2022 | ≈29 | 39 (26 active) | $5M | $7.8M | 401(k) | |
| 2021 | ≈29 | 51 (26 active) | $5.8M | $8.3M | 401(k) | |
| 2020 | ≈37 | 51 (33 active) | $4.9M | $8.9M | 401(k) | |
| 2019 | ≈33 | 47 (30 active) | $3.8M | $8.4M | 401(k) | |
| 2018 | ≈39 | 44 (35 active) | $2.8M | $9.5M | 401(k) | |
| 2017 | ≈27 | 35 (24 active) | $2.6M | $7.6M | 401(k) | |
| 2016 | ≈30 | 34 (27 active) | $1.9M | $7.8M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| CONTRACTORS AND EMPLOYEES 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
| CONTRACTORS AND EMPLOYEES 401(K) PLAN | — | — | — | |
| SLATER WATERPROOFING, INC. 401(K) PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to SLATER WATERPROOFING INC. in the California Secretary of State register, in alphabetical order.
1 company is registered at 5577 ARROW HWY, MONTCLAIR — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-07-15. Document getpalm-companies/1274-4693-9524.