Bathroom Remodel Permit in Highland, UT (2026)

Research by DoINeedAPermit Research Team · Updated May 2026

The Short Answer

A full bathroom remodel in Highland requires a permit if you're relocating plumbing fixtures, adding electrical circuits, installing new exhaust fans, converting tub to shower, or moving walls. Surface-only work—tile, vanity, faucet replacement in the same location—is exempt.

Highland's building code adoption of the 2021 IBC (with Utah amendments) is stricter than some nearby communities on one critical point: the City of Highland Building Department enforces a mandatory pre-permit inspection for homes built before 1995 to verify existing plumbing and electrical locations before any fixture relocation is approved. This doesn't apply to cosmetic-only work, but it adds 3-5 days to your timeline if you're moving anything. Additionally, Highland sits in Seismic Zone 2 per USGS mapping, which triggers extra bracing requirements for any wall relocation or structural opening—something that wouldn't apply in lower-seismic Lehi or American Fork. The city also requires a separate mechanical permit for any exhaust fan duct work (not bundled with plumbing), and the duct must terminate at least 10 feet horizontally from any operable window per Utah Mechanical Code—a detail often missed by DIYers. If your home was built before 1978, lead-paint disclosure and clearance testing add 1-2 weeks and $300–$500 to your timeline; Highland enforces this strictly because of older neighborhoods in the Ridges and Castle Valley areas.

What happens if you skip the permit (and you needed one)

Stop-work order and $500–$1,500 fine from Highland Building Department, plus mandatory permit re-pull at double cost ($400–$1,600 total permit fees) before work resumes.
Lender or title company blocks closing on a future sale when bathroom work appears unpermitted on pre-closing inspection; buyers or their banks require $3,000–$8,000 retroactive permit correction or removal estimates.
Insurance claim denial on water damage or mold if unpermitted plumbing or exhaust work failed—insurers routinely cite code violations as claim rejection basis in Utah.
Home sale disclosure requirement: Utah Code requires sellers to disclose known unpermitted work; failure risks lawsuit and rescission within one year of closing, plus attorney fees ($5,000–$15,000).

Highland, Utah full bathroom remodels—the key details

Highland adopted the 2021 International Building Code with Utah amendments as of January 1, 2023, and the city enforces it uniformly across all residential projects. The critical rule for your bathroom remodel is IRC R101.2: any project that changes the 'nature or extent of occupancy' or materially alters the structure requires a permit and plan review. In practical terms, Highland Building Department interprets this to mean: moving any plumbing fixture (toilet, sink, shower, tub) requires a permit, even if it's within the same room. Adding a new electrical circuit (which almost all modern bath remodels do—for GFCI outlets, heated floor mats, or exhaust fans) requires an electrical permit. Removing or modifying any wall, even a non-bearing partition, requires a structural engineer's stamp or at minimum a framing plan. Installing a new exhaust fan or ductwork requires a separate mechanical permit. The exception is narrow: replacing a faucet, toilet, or vanity in the exact same location with the same rough-in dimensions and reconnecting to existing supply and drain lines does not require a permit—this counts as maintenance, not alteration per IRC R201.3. However, if you're upgrading a deck-mount faucet to a wall-mount, or changing a 1.5-inch drain to 2-inch (common when replacing an old pedestal sink with a modern vanity), you've crossed into permit territory.

The second critical rule specific to Highland is the waterproofing specification for shower or tub conversions. IRC R702.4.2 requires a water-resistant barrier behind any tub or shower enclosure, but Highland's building department requires applicants to specify the exact system on their permit drawings. The city has rejected permits for vague language like 'waterproofing membrane per code'—it wants to see 'cement board plus 6-mil polyethylene plus cementitious board' or 'Schluter Kerdi membrane system' or equivalent. This is enforced because of the Wasatch Fault seismic zone and the area's freeze-thaw cycles (temperatures drop to minus 10°F regularly). Expansive clay soils common in Highland and surrounding developments also drive moisture control—poorly sealed bathrooms lead to foundation heave claims, so the city is pre-emptive. When you pull a permit for a tub-to-shower conversion, expect the plan-review engineer to ask for a detail drawing showing the waterproofing layers, and plan 5-7 business days for approval. If you're just retiling an existing shower or replacing fixtures without moving them or changing the tub-shower configuration, no permit is needed.

Electrical rules in Highland bathrooms are non-negotiable and frequently flagged during rough-in inspections. The National Electrical Code (adopted via Utah Code R616-1), enforced by Highland, requires GFCI (ground-fault circuit interrupter) protection on all bathroom circuits within 6 feet of a sink, tub, or shower. NEC 210.8(A)(1) is the standard. Additionally, if you're adding any hardwired equipment—heated floor mat, ventilation fan, dimmable LED—those circuits must be on a separate 20-amp circuit (not shared with outlets). If your existing bathroom has only one outlet circuit serving the whole room, a full remodel almost always requires a second circuit. This is a common reason permits get rejected: the electrician pulls the permit, but when the plan reviewer looks at the existing load, they flag that the circuit isn't adequate. Your permit application must include a simple one-line electrical diagram showing panel location, breaker size, wire gauge, and how many circuits feed the bathroom. A separate AFCI (arc-fault circuit interrupter) breaker is required for all bedroom circuits, but not bathroom circuits—but if the bathroom opens directly into a bedroom (uncommon in Highland, but it happens in older homes), the room classification determines the rule. Plan $150–$300 for the electrical portion of permit fees.

Exhaust fan ventilation is the most commonly missed detail in Highland bathroom permits. Utah Mechanical Code (based on 2021 IMC), adopted by Highland, requires any bathroom exhaust fan to be ducted to the outdoors—not into an attic, never into a soffit (very common mistake). The duct must terminate at least 10 feet horizontally from any operable window, door, or fresh-air intake. Highland's building department requires this dimension shown on the mechanical permit drawing; a simple diagram showing your roof plan with the duct termination location, labeled with the distance to the nearest window, satisfies the requirement. The duct must be rigid or semi-rigid (not flexible flex-duct—that's allowed only in limited circumstances and Highland doesn't allow it in bathroom exhaust). The fan itself must be rated for the bathroom square footage: 50 CFM minimum for bathrooms under 100 square feet, 1 CFM per square foot for larger bathrooms, plus 100 CFM for each shower or tub (so a 120-square-foot master bath with one shower needs a 220 CFM minimum fan). The mechanical permit costs $75–$150 and takes 3-5 business days. If you're not changing the exhaust fan (reusing the existing duct and fan), you typically don't need a separate mechanical permit—but if you're replacing the fan with a larger or different model, a new permit is required.

Highland Building Department requires all permit applications to be submitted via its online portal (accessible at the Highland City website under 'Permits') or in person at City Hall during business hours (Monday–Friday, 8 AM–5 PM). The online system requires a completed application, a site plan showing lot dimensions and structure location, and for bathroom remodels specifically, a floor plan of the bathroom showing existing and proposed fixture locations, and electrical/plumbing/mechanical details as applicable. If you're the owner-occupant and doing the work yourself (owner-builder), you can pull the permit in your name; if you're hiring a licensed general contractor, they typically pull the permit. Lead-based paint disclosure is required for any home built before 1978—this applies to most of Highland's Ridges neighborhood and older sections of Castle Valley. The owner must sign an EPA-required form, and if the house was built before 1978 and you're disturbing painted surfaces, a lead-safe work practices plan must be submitted. This adds $300–$500 in third-party inspection fees and 1-2 weeks to your timeline. Plan 10-15 business days from permit submission to approval for a full bathroom remodel; add 1-2 weeks if lead-paint disclosure applies. Inspections typically occur at rough plumbing, rough electrical, framing (if any walls are moved), and final; plan 2-4 weeks for the actual work after permit approval.

Three Highland bathroom remodel (full) scenarios

Scenario A

Master bath cosmetic refresh: tile, vanity, and faucet swap in existing locations, Ridges neighborhood, built 1998

You're replacing the old ceramic tile, pulling out the builder-grade vanity and installing a new one in the same footprint, and upgrading the faucet from a deck-mount style to an identical deck-mount style. The tub stays, the toilet stays in its location, and the exhaust fan duct is unchanged. Because you're not relocating any plumbing fixtures, not adding electrical circuits (the existing outlets remain), and not modifying the structure, Highland Building Department classifies this as maintenance. No permit required. You do not need to file with the city, pull plans, or schedule inspections. You can order materials and start work immediately. Typical cost for this scope: $3,500–$8,000 (materials and labor), zero permit fees. The only caveat: if your new vanity has a different rough-in location than the old one (e.g., the old pedestal sink had a 4-inch center-to-center drain, but your new vanity has a 5-inch center), you've now moved the fixture and you need a permit. Similarly, if you're upgrading from a single-hole deck-mount faucet to a widespread faucet (3 holes instead of 1), you're modifying the rough-in and need a plumbing permit. Call Highland Building Department or email a photo of the old vanity and your new vanity spec if you're unsure; they'll confirm in 24 hours.

No permit required | Existing vanity footprint unchanged | Deck-mount faucet in same location | $0 permit fees | DIY-friendly scope

Scenario B

Master bath gut renovation: island-location vanity (moving plumbing 6 feet), tub-to-shower conversion, new exhaust fan duct, Castle Valley neighborhood, built 1975

Your master bath is 80 square feet. The original layout has the vanity against the north wall and the tub along the east wall. You want to relocate the vanity to an island in the center of the room (moving supply and drain lines roughly 6 feet) and convert the tub to a walk-in shower with a linear drain on the west wall. You're also replacing the exhaust fan with a larger 110 CFM model and re-routing the duct to exit on the roof. This project requires three permits: plumbing, electrical, and mechanical. Start with the lead-paint disclosure—the house was built in 1975, so you must file an EPA disclosure form and hire a certified lead-safe inspector before disturbing any painted surfaces (estimated $350–$450). Next, submit your permit application via Highland's online portal. The plumbing permit must include a floor plan showing the vanity relocation with supply and drain locations, and a detail drawing of the new shower base showing the drain line, trap arm length (must not exceed 5 feet per IRC P3201.7), and the waterproofing system (e.g., 'cement board + 6-mil poly + Schluter Kerdi'); estimated plumbing permit fee $200–$250. The electrical permit must show a dedicated 20-amp circuit for the bathroom (the existing circuit is likely only 15 amps and shared with another room). If you're adding a heated floor mat or dimmable lighting, those get separate circuits. Electrical permit fee $125–$175. The mechanical permit must show the new exhaust fan (110 CFM, verified against the IRC M1505 requirement of 1 CFM per square foot for an 80-square-foot bath, so 80 CFM minimum; your 110 CFM complies), the duct routing (rigid duct, not flex-duct), and the termination location on the roof labeled with distance to nearest operable window (must be at least 10 feet horizontal per Utah Mechanical Code). Mechanical permit fee $100–$150. Total permits: $425–$575. Plan review takes 7-10 business days (add 5-7 days if lead-paint issues require clarification). Inspections: rough plumbing (before walls are closed), rough electrical (before drywall), rough mechanical (exhaust duct before trim), and final. Expect 3-4 inspection appointments over 2-3 weeks after permit approval. Total project timeline: 1 week for permits + 3-4 weeks of construction + lead-paint clearance (if required) = 5-6 weeks.

Scenario C

Small ensuite bathroom addition: new half-bath adjacent to master, minor wall relocation, American Fork Road area, built 2005

You're not remodeling an existing bathroom; you're carving a small ensuite half-bath (toilet and sink only, no shower) out of an adjacent bedroom closet. This involves removing a small section of wall (non-bearing partition) and running new supply and drain lines from the main stack. This is technically a 'new bathroom' addition, not a remodel, so different code rules apply, but since it's interior and within the existing structure, Highland treats it as an interior renovation permit. You need plumbing and building permits (electrical is minimal—just an outlet and possibly a fan, but not required for a half-bath if windows provide ventilation). The building permit must include structural confirmation that the wall you're removing is non-bearing (usually straightforward in a 2005 home, but the engineer or architect must stamp it). The plumbing permit must show the new fixture locations, supply lines, drain lines, and trap arm length. Here's the Highland-specific detail: because you're creating a new bathroom, even a small half-bath, the city requires a separate 'new room' classification on your permit, not just an 'alteration' permit. This triggers a more thorough plan review (10-14 business days instead of 5-7) because the reviewer must verify egress, ventilation, and sanitation for the 'new room,' even though it's connected to the existing structure. Building permit fee $150–$200; plumbing permit fee $150–$200; total $300–$400. You'll need inspections for rough framing (wall removal and new wall studs if any), rough plumbing, and final. Total timeline: 10-14 days plan review + 2-3 weeks construction + inspections = 4-5 weeks. Note: if you had simply remodeled the existing master bathroom, the timeline would be shorter, but adding a new room (even a tiny half-bath) elevates the scrutiny and cost.

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Highland's seismic zone overlay and wall-relocation rules

Highland sits in USGS Seismic Zone 2 (latitude 40.37°N, near the Wasatch Fault). This means any structural modification—including removal or relocation of even a non-bearing wall—triggers a seismic retrofit assessment by the city's plan reviewer. Utah Code R616-1 adopts the 2021 IBC with amendments for seismic loading. If your bathroom remodel involves removing or moving a wall, you must have a licensed structural engineer or architect provide a written statement confirming that the wall is non-bearing and that removing it does not reduce lateral bracing for the structure. Many DIYers and even contractors assume a non-bearing wall is automatically safe to remove; in Highland, that assumption alone doesn't satisfy the permit reviewer. The engineer's stamp and certification are required before the permit is issued.

The seismic overlay also affects how Highland interprets water line relocation. Moving plumbing supply lines (especially rigid copper or PEX) requires the lines to be routed in a way that doesn't create new stress points or inadequate support in a seismic event. This is not a concern in many other Utah towns, but Highland's building department regularly asks plan submitters to show plumbing support details (clamps, spacing) on their drawings. If you submit a permit without showing how the new supply lines are supported, expect a request for revision before approval.

For homeowners planning a full bathroom renovation involving wall changes, budget an additional $500–$1,000 for a structural engineer to review the existing framing and provide a one-page certification letter. This is not always required, but Highland's plan reviewers often request it, and having it upfront accelerates approval by 3-5 days. It's a faster path than resubmitting your permit after a review comment.

Lead-based paint rules and the pre-1978 bathroom remodel timeline

Any home built before January 1, 1978 is presumed to contain lead-based paint under federal law (42 U.S.C. § 4852d). Utah Code R717-11 implements the EPA Renovation, Repair, and Painting (RRP) Rule at the state level, and Highland enforces it strictly for interior work. When you submit a permit for a bathroom remodel in a pre-1978 home (which includes most of Highland's Ridges neighborhood and older Castle Valley homes), the city will ask for a signed EPA Lead Disclosure Form (form 8.10.2002d). The form must be signed by the property owner and the contractor, acknowledging that the home may contain lead-based paint.

If your renovation will disturb painted surfaces (walls, trim, cabinets, doors), you have two options: (1) hire a certified lead-safe contractor and follow lead-safe work practices (HEPA vacuum, wet methods, containment), or (2) hire a state-certified lead inspector to perform a risk assessment and clearance test after the work. Option 1 typically adds $200–$400 to your labor cost but doesn't require a separate inspector. Option 2 requires a pre-renovation inspection ($300–$500) and a clearance inspection after work ($300–$500), totaling $600–$1,000, but may be necessary if you're the owner-occupant and performing the work yourself (and thus not using a certified contractor). Highland's building department does not issue the final inspection sign-off until the lead-clearance requirement is satisfied. For a full bathroom remodel in a pre-1978 home, add 1-2 weeks to your timeline and $300–$1,000 to your budget for lead compliance.

One overlooked detail: if your pre-1978 bathroom includes plaster walls or old lime mortar (common in 1970s-era Highland homes), the lead-paint issue extends to dust during demolition. You cannot legally demolish old plaster in a bathroom remodel without first testing it for lead content or assuming it contains lead and following RRP practices. Many DIYers remove old plaster or tile without realizing they've just violated federal law and exposed themselves to liability. The permit application process forces this conversation early; if the city sees 'pre-1978' on your application, it flags the lead rule, and you must address it in writing before the permit issues.

City of Highland Building Department
Highland City Hall, Highland, UT 84003
Phone: (801) 772-3541 (Main City Line; ask for Building Department) | https://www.highlandcity.org/residents/permits
Monday–Friday, 8:00 AM–5:00 PM (Mountain Time)

Common questions

Do I need a permit to replace bathroom tiles and grout?

No. Tile and grout replacement in an existing bathroom is maintenance, not an alteration. You do not need a permit. However, if you're removing old tile and the substrate underneath is damaged or contains asbestos (rare but possible in homes built before 1980), you may need to hire a licensed abatement contractor—but this is a separate issue from permitting. If the tile work is limited to surface-level removal and replacement, no permit required.

What's the difference between a bathroom 'remodel' and a bathroom 'renovation' in Highland's permitting language?

Highland uses both terms interchangeably in common speech, but the building code distinguishes between 'alterations' (changes to existing rooms) and 'new construction' (adding rooms). A remodel of an existing bathroom is an alteration. Adding a new half-bath or full bathroom is new construction and triggers stricter plan review. If you're remodeling an existing bathroom (even if you're gutting it completely), you pull an alteration permit. If you're carving a new bathroom out of a closet or bedroom, you pull a 'new room' permit, which costs more and takes longer.

Can I move my bathroom plumbing myself, or do I need a licensed plumber in Highland?

Utah Code R616-1 allows owner-occupants to perform their own plumbing work on their primary residence if they pull a permit and pass inspections. However, Highland's building department requires the plumbing plan to be sealed by a licensed plumber or engineer if the scope involves moving fixtures or adding new lines. So while you can do the physical work, you'll need a licensed professional to stamp the drawings and sign off on the permit application. Many homeowners hire a plumber to design the layout (and pull the permit), then do some or all of the installation themselves, which is legally permissible.

How long does it take to get a bathroom permit approved in Highland?

Plan review typically takes 5-10 business days from submission to approval, depending on complexity. A cosmetic refresh (no permit needed) is instant. A simple fixture relocation (plumbing-only permit) is usually 5-7 days. A full renovation with structural, electrical, and mechanical permits is typically 10-14 days. If lead-paint disclosure or seismic review is required, add 3-5 days. Once you have the permit, the actual work timeline (construction + inspections) is usually 2-4 weeks.

What happens during the rough-plumbing inspection in Highland?

The Highland Building Department inspector will verify that new supply lines are correctly sized and supported, drain lines are pitched correctly (1/4 inch per foot downslope), trap arms do not exceed 5 feet, vents are installed per code, and the waterproofing system is in place before drywall covers it. If you're replacing a toilet or sink in the same location, no rough inspection is required. If you're moving fixtures or adding new ones, the rough-plumbing inspection is mandatory before walls are closed. Schedule this inspection when all rough plumbing is complete but before the drywall is installed.

Is a separate mechanical permit really required just for an exhaust fan in Highland?

Yes, if you're replacing the fan or running new duct. A separate mechanical permit is required by Utah Code for any 'mechanical system' work, which includes exhaust fans. A mechanical permit for an exhaust fan is typically $75–$150 and takes 3-5 business days; it's a quick process, but it is separate from plumbing. If you're reusing the existing fan and duct in their current locations, no new mechanical permit is required. Many homeowners bundle this into their plumbing permit application and the city splits the fees; either way, the work must be inspected before final approval.

Does Highland require a shower valve to be pressure-balanced?

Yes, indirectly. The National Plumbing Code (adopted by Utah and enforced by Highland) requires anti-scald protection on all shower valves per IRC P2708.2. The simplest way to meet this is to install a pressure-balanced or thermostatic mixing valve. When you submit your plumbing permit, the spec sheet for your new shower valve must clearly state that it is pressure-balanced or thermostatic. A standard single-control valve without this feature will cause the plan reviewer to request clarification or require you to upgrade. Pressure-balanced valves cost $50–$150 more than basic valves but are mandatory.

If I'm only replacing my bathroom vanity with a new one in the same spot, but the new vanity is a different width, do I need a permit?

Only if the new vanity's rough-in (supply and drain line locations) is different from the old one. If the new vanity is wider but the drain and supply lines can be connected to the existing rough-in without modification, no permit is required—it's still a fixture swap. However, if the new vanity's drain is in a different location or the supply lines must be rerouted, you've now relocated the fixtures and you need a plumbing permit. Before buying a new vanity, confirm its rough-in dimensions match your existing ones. If there's any doubt, call Highland Building Department with a photo and spec; they'll clarify in a phone call.

What if I hire a contractor from outside Highland—do they still need to pull permits in Highland?

Yes. Permits are location-based, not contractor-based. If the work is in Highland, a Highland permit is required, regardless of where the contractor is licensed or based. A contractor licensed in Salt Lake City or another Utah city must still pull a Highland permit for any work in Highland that requires one. Some contractors are familiar with Highland's specific requirements (lead-paint rules, seismic overlay, mechanical permits) and some are not. Ask your contractor if they've done work in Highland before and if they're familiar with the city's online permit portal and plan-review process. This can save you weeks of back-and-forth if they already know what the city requires.

After my bathroom remodel is done, do I get a certificate of occupancy or occupancy permit?

No, not for a bathroom remodel. A certificate of occupancy is only issued for new buildings or when a building changes use or significantly increases occupancy. A bathroom remodel is an alteration to an existing residential unit, so after final inspection and sign-off, you simply receive a 'final inspection passed' notice from the building department. This notice is your proof of permitted work and is important to keep for future home sales or insurance claims. It shows that the work was done to code and inspected. Keep this paperwork in your home records; it's valuable evidence if a buyer or appraiser ever questions the work.

Disclaimer: This guide is based on research conducted in May 2026 using publicly available sources. Always verify current bathroom remodel (full) permit requirements with the City of Highland Building Department before starting your project.

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