bathroom remodeling guide about permit
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PRO BATHROOM REMODELING / SAN BERNARDINO HOMEOWNER GUIDE · OCT 2026
LOCAL HOMEOWNER GUIDE / PERMITS + INSPECTIONS
Do You Need a Permit for a
Bathroom Remodel in San Bernardino, CA?
Often, yes - but the answer depends on exactly what work you will do and which agency serves
your property. The City of San Bernardino generally requires permits for plumbing, electrical,
mechanical and structural work, while listing certain finish-only work as exempt from a building
permit. Unincorporated County properties follow County procedures and may have different
exemptions. Before starting bathroom remodeling in San Bernardino, CA, document the proposed
changes, identify the jurisdiction, and get a scope-specific answer from the building department. [1,
2]
START WITH THE PROPERTY ADDRESS - NOT THE MAILING CITY
Which agency serves the parcel?
INCORPORATED CITY UNINCORPORATED
City building department County Building & Safety
First distinguish appearance changes from system changes
Replacing visible finishes is different from rerouting water lines, relocating a shower drain, adding electrical
wiring, or changing a wall. Permit questions change when work extends beyond the finish layer. Even an
exempt finish task is not permission to conceal unsafe work or skip permits for a related trade. [1, 2]
Important: This is a research-based homeowner guide as of October 2026, not a permit determination for
your property. Confirm current rules and exact work scope with the authority having jurisdiction.
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01 / GOVERNING AGENCY
Which building department handles the property?
A San Bernardino mailing address does not by itself prove that a home is within City of San Bernardino limits.
Some properties with local mailing addresses fall in an unincorporated area or another incorporated city.
Jurisdiction, not the name printed in an address, determines the responsible permit office.
If the home is inside City limits
Start with the City of San Bernardino Building & Safety Division. Its website explains that, with limited
exceptions, structural, electrical, plumbing, heating and air-conditioning work requires permits. It also
identifies permit application forms, plan submittal rules, inspection scheduling and exemptions for some
finishes. [1]
If the home is in unincorporated San Bernardino County
Start with County Building and Safety and the EZ Online Permitting portal. The County provides a
parcel-jurisdiction lookup and a Residential Alteration application category for remodels. The County states
that exemptions vary and recommends contacting the relevant departments for specific requirements. [2, 3,
4]
START WITH THE PROPERTY ADDRESS - NOT THE MAILING CITY
Which agency serves the parcel?
INCORPORATED CITY UNINCORPORATED
City building department County Building & Safety
What to send in your first inquiry
/ Full property address and, if available, assessor parcel number.
/ A short existing-versus-proposed work list with fixture locations.
/ Whether plumbing, electrical, walls, fan ducting, or shower waterproofing will be changed.
/ Who will perform the work and which permits they propose to pull.
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02 / SCOPE SCREENING
Which bathroom tasks raise permit questions?
The following is a decision aid, not a blanket permit ruling. The City specifically lists painting, papering, tiling,
carpeting, cabinets, countertops and similar finishes among building-permit exemptions. However, associated
wiring, plumbing and structural modifications may trigger separate permits. The County directs owners to
check scope and local exemptions. [1, 2]
Proposed work Practical starting point
City lists many finish tasks as exempt from a building permit; verify when
Paint, mirrors, tile finish, countertop
underlying systems or wet-area assemblies are disturbed.
Ask whether plumbing reconnection or changes make a plumbing permit
Swap a vanity or faucet
necessary; the finish exemption alone does not decide it.
Confirm plumbing and building permit requirements for demolition, drainage,
Replace tub, shower base, or drain
waterproofing and installation scope.
Move toilet, shower, sink or supply Treat as a plumbing-permit question; plans or additional approval may be
piping required.
Add lights, circuits, outlets or fan
Confirm electrical or mechanical permit and inspection requirements.
ducting
Move a wall or alter structural framing Expect building review; structural documentation may be necessary.
THREE DIFFERENT PROJECTS - THREE DIFFERENT QUESTIONS
01 02 03
FINISH REFRESH LIKE-FOR-LIKE RECONFIGURATION
Surface materials; no system Same location; verify connections Moving pipes, wiring or walls
changes
Do not guess from the word "replacement": whether a task is exempt can depend on what is opened, moved,
connected or altered. Send the actual scope to the agency.
PBR-SB-GD-056 | V1.0 | Prepared Oct 2026 03PRO BATHROOM REMODELING / SAN BERNARDINO HOMEOWNER GUIDE · OCT 2026
03 / SCOPE PACKAGE
Prepare a clear request before you apply
Many delays start with an incomplete description: "remodel master bathroom" tells reviewers very little. A
clear request identifies existing conditions and separates finish work from changes to plumbing, wiring,
mechanical ventilation and structure. The department can then advise whether plans are needed and which
application path fits.
Prepare a one-page scope summary
[ ] Property address and governing jurisdiction.
[ ] Existing and proposed fixture positions on a measured sketch.
[ ] Every planned water-supply or drain change.
[ ] Every new electrical outlet, lighting circuit or fan change.
[ ] Any proposed wall, window, door or framing alteration.
[ ] Shower/tub work, including base type and intended drainage changes.
[ ] Names of the proposed applicant and contractor, if selected.
Write the question the official can answer
Weak: "Do I need a permit to update my bathroom?" Better: "At this address, we will remove a tub, install a
shower base in the same location, replace the valve, renew wall finishes and reconnect the drain. Which
permits and inspections apply, and are drawings required?" This prevents the agency from answering a
different project than the one you plan.
Plan-review expectations
The City notes that complex projects may require plans and specifications reviewed before permit issuance,
and some circumstances require professionally prepared plans. The County Residential Alteration page
likewise says plans and supporting documents may be required. Confirm submission format and the current
checklist before preparing a full drawing set. [1, 3]
Local detail: The City web page lists dedicated mechanical/electrical/plumbing applications for work limited to
those disciplines. County EZOP uses a Residential Alteration path for eligible remodel applications. [1, 3]
Preserve the agency response
Save the response with its date, staff contact, application or inquiry number, and the exact scope discussed. If
the project later changes, ask the agency whether the earlier answer still applies. A verbal conversation about
a paint-only refresh may not cover a later plan to relocate the shower drain or add outlets.
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04 / APPLICATION + CODE
Understand the permit path before demolition
Permitting typically involves identifying the agency, describing the work, submitting the correct application
and supporting materials, receiving any required plan review, obtaining an issued permit, scheduling
inspections, and securing final signoff. These phases differ by jurisdiction and project size.
GENERAL APPROVAL PATH - NOT A GUARANTEED TIMELINE
1 2 3 4 5
IDENTIFY DESCRIBE SUBMIT BUILD CLOSE
jurisdiction scope application + inspections permit
City of San Bernardino route
Review City Building & Safety forms and current submission instructions. Its page describes building permit
applications and a separate form for work involving only mechanical, electrical or plumbing systems. Some
smaller categories have online options, but do not assume a complete bathroom remodel can use one of
those paths. Ask the City how the specific plan must be submitted. [1]
Unincorporated County route
The County EZOP site provides a Residential Alteration application flow: start in the portal, choose Building,
create an application, and select Residential Alteration. Keep submission and plan-review correspondence
associated with the same application. County Building and Safety can explain any additional supporting
documents. [3, 4]
Which building code edition applies in 2026?
The 2025 California Building Standards Code became effective January 1, 2026. California codes can interact
with local amendments and the circumstances of a permit application, so the enforcing department is the
source for the rules applicable to your project. Avoid relying on old social posts quoting superseded editions.
[5]
Use a basic permit status tracker
Record the application date, requested revisions, permit issuance, each required inspection, and final status.
Attach copies of approved drawings when applicable and note the version of the plans being built. If the
bathroom design changes after permit issuance, ask whether amended drawings or a revised approval are
required before performing that work.
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05 / DURING CONSTRUCTION
Know what inspections and records you need
A permit is not simply a paper to file away. The jurisdiction may require inspections at specified stages to
assess work before it becomes concealed and to document completion. Do not assume the final appearance
shows whether the work was properly permitted or inspected.
Ask about inspection hold points up front
For a bathroom project, ask the permit office whether any rough plumbing, electrical, framing,
waterproofing-related, or final inspections will apply. The exact list depends on scope and jurisdiction. Do not
cover work that the inspector needs to examine before the required inspection occurs.
Define who owns the paperwork
Ask whose name will be on the permit, who schedules inspections, who pays fees, who responds to
correction notices, and who requests final closeout. If a contractor will obtain permits, include that
responsibility in the written contract. CSLB homeowner checklists specifically ask whether the contractor will
obtain necessary permits. [6]
Watch for pre-demolition health issues
For pre-1978 housing where painted surfaces may be disturbed, ask how applicable federal lead-safe
renovation practices will be handled. Also discuss visible moisture damage or suspected mold before
enclosing new finishes. EPA emphasizes addressing existing pollution and moisture problems during
remodeling. [7]
Owner-builder caution: Applying as an owner-builder may transfer substantial responsibility to the
homeowner. Discuss this directly with your jurisdiction rather than signing forms you do not understand.
What if the inspector requests a correction?
Document the correction notice, the work needed, who is responsible for it, and when a reinspection may be
requested. If the corrective work changes the agreed scope or budget, ask for a written explanation and
change order before proceeding. Do not equate a passed intermediate inspection with the final permit
closeout.
At completion, retain a usable record
Keep the permit card or record, inspection results, final approval status, approved plans if supplied, and any
written agency correspondence together with the signed contract. When selling or renovating again, a clear
record is far easier to consult than a collection of screenshots without dates or application numbers.
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06 / CONTRACTOR + PAPER TRAIL
Put permit decisions in the contract
A project can suffer avoidable disputes when the homeowner thinks permits are included and the proposal
says "by others." A scope-specific written contract should assign application duties, fees, inspections,
approved changes and completion evidence rather than leaving those decisions until demolition.
Contract terms worth requesting
Contract item What should be explicit
Permit scope Which permit categories are expected and who confirms any exemptions.
Applicant Who files under the proper license or owner-builder status.
Documents Who prepares drawings, revisions and information requested by the agency.
Inspections Who books access and manages corrections and reinspection if needed.
Changes Written approval if hidden conditions change scope, costs or permit requirements.
Closeout Copies of permit documents, final approval evidence, and product records.
Verify the contractor rather than trusting a printed number
CSLB recommends checking a contractor license directly, obtaining multiple bids and references, comparing
similar proposals, and documenting permits and change orders in the agreement. A displayed license number
alone is not proof of active status or coverage. [6]
Project discussion: If you are planning bathroom remodeling in San Bernardino, CA, bring your written scope
and jurisdiction question to the first contractor meeting.
Stop-and-check signals before work begins
/ Someone recommends using a finish-work exemption even though wiring, drainage, or framing will change.
/ The proposal leaves permit fees or inspection responsibilities entirely undefined.
/ A party asks you to apply as owner-builder without explaining the duties you would assume.
Resolve those questions with the building department and a written scope. A few clear answers before
demolition are more useful than retroactively trying to reconstruct who agreed to what.
PBR-SB-GD-056 | V1.0 | Prepared Oct 2026 07PRO BATHROOM REMODELING / SAN BERNARDINO HOMEOWNER GUIDE · OCT 2026
07 / PRINTABLE PERMIT CHECKLIST
Before you start: permit-readiness worksheet
This page is for preparing an informed conversation with the correct building department. It does not
authorize construction.
[ ] I confirmed whether the parcel is inside a city or an unincorporated area.
[ ] I recorded the exact address and the permit office contact.
[ ] I wrote a room-specific existing/proposed work description.
[ ] I separated finish tasks from plumbing, electrical, ventilation and structural changes.
[ ] I asked the agency which permits, drawings and inspections are required.
[ ] I established who is the applicant and who pays the fees.
[ ] The contract names the person responsible for permits and inspection requests.
[ ] I understand any lead-safe or moisture remediation concerns before demolition.
[ ] I will keep permit, correction and final approval documents with project records.
Frequently asked questions
Does replacing a vanity always require a permit? Not always. The City lists cabinet and countertop finish work among
building-permit exemptions, but a connected plumbing change can present a separate question. Verify the exact task.
Does a tub-to-shower conversion need one? It can involve drain, plumbing, pan, or other work that triggers review. Ask the
governing department about your proposed scope rather than assuming all conversions are treated alike.
Can my contractor obtain the permit? Often an appropriately licensed contractor can apply, subject to the jurisdiction's
application requirements. Confirm that the contract assigns responsibility and ask for issued permit documentation.
Is a permit automatically closed after installation? No. Where inspections and final signoff apply, verify they were requested
and the permit shows an acceptable final status before closing the project file.
Source notes & further reading
1. City of San Bernardino | Building & Safety Division 2. San Bernardino County | Do I Need a Permit?
3. San Bernardino County | Residential Alteration 4. San Bernardino County | EZ Online Permitting
5. California Building Standards Commission | Codes 6. California CSLB | Homeowner Checklists
7. US EPA | Lead-Safe Renovation Steps
Pro Bathroom Remodeling serves homeowners considering bathroom improvements across the San
Bernardino area.
Explore bathroom remodeling options or request an estimate | Call (909) 494-5343.
PBR-SB-GD-056 | V1.0 | Prepared Oct 2026 08You can also read
