Were complete prefabricated fiberglass shower stalls materials or fixtures?

Short answer They were plumbing fixtures. The complete wall-and-floor unit retained its identity as a building accessory after permanent bonding and functioned with the building's plumbing.
State
CA
Ruling
Annotation 190.2160
Tax type
Sales and Use Tax
Issued
1967-11-30
Issued by
California State Board of Equalization
Requested by
K

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This page answers the general question as of 1967. Ask about yours and see what current California tax law says, with citations.

Currency note: this ruling is from 1967
Subsequent statutory amendments, regulation changes, court decisions, or later rulings may have changed the analysis. Treat this page as historical context, not current tax advice. Verify current law before relying on any specific rule, rate, or position mentioned here.
Disclaimer: This November 30, 1967 Tax Counsel letter concerns complete prefabricated fiberglass shower units whose walls were permanently bonded to framing, whose bases rested on plaster beds, and whose walls were drilled for plumbing. The November 2 request and enclosed copy of Ruling 11 are not reproduced in the official PDF. The fixture result depended on the unit retaining its identity as a building accessory. Current modular bathroom products require their own component and installation analysis.
About this page: The plain-English summary, reader guidance, and Q&A below were written by Ezel based on the official state tax ruling. The original ruling (linked on this page as a PDF) is the authoritative source for any reliance.
View original ruling (PDF)

Plain-English summary

Complete prefabricated fiberglass shower stalls, including their walls and floors, were plumbing fixtures.

Installation permanently bonded the walls to framing, placed the base on a poured plaster bed, and drilled the unit for faucets and the spray head. The fact that the stall sat against unfinished interior walls did not control.

The whole unit retained its identity as an accessory to the building after installation, much like a bathtub, and handled water carried through the building's plumbing. It therefore qualified as a fixture rather than material.

Common questions

Did the unit lose its identity when installed?

No. That retained identity supported fixture treatment.

Did placement against unfinished walls make it material?

No.

What building function did the unit serve?

It handled water delivered and removed through the structure's plumbing.

Citations and references

  • Former California Sales and Use Tax Ruling 11(c) and (d) — plumbing-fixture classification and tax treatment applied to the prefabricated stalls
  • November 2 representative letter — questioned a determination of tax on the client's fiberglass shower-stall sales; year and separate request not supplied in the official PDF
  • Enclosed copy of former Sales and Use Tax Ruling 11 — identified as an enclosure; not reproduced in the official PDF

Source

Original ruling text

STATE OF CALIFORNIA

190.2160

STATE BOARD OF EQUALIZATION

November 30, 1967

--- --- ----- --- ----- --- --Gentlemen:
In your letter of November 2 you question a determination of tax on the sales of fiberglass shower stalls by your client “K”. The facts, as we understand them, are that “K” prefabricates a complete fiberglass shower stall including walls and floor. The units are installed by permanently bonding the walls to the framing with the base laid on a poured plaster bed. Holes are then drilled in one wall to accommodate faucets and the spray head. The fact that the shower unit is placed against unfinished interior walls is not controlling. We still must look to the language contained in Ruling 11, copy enclosed, to determine the nature of your product. The entire prefabricated unit does not lose its identification as an accessory to a building upon installation. If removed, there would be no greater effect on the building structure than would occur if a bath tub were to be removed. The entire unit is used to handle the input and output of water carried in the plumbing of the structure. Therefore, the stalls are plumbing fixtures as explained in Ruling 11 and the tax liability is governed by paragraph (c) and (d). If you have further questions, please feel free to write. Very truly yours,

T. P. Putnam
Tax Counsel

By
A. Wells Petersen
AWP:lt
[1b]

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