Do I need a permit for a full kitchen remodel in
Johnstown, Colorado?

Johnstown kitchen remodel permits — the key details

Johnstown requires a building permit for any kitchen remodel that involves structural changes, mechanical or electrical upgrades, or plumbing relocation. The trigger is specific: if you're moving or removing a wall (load-bearing or not), relocating a sink, adding a dishwasher on a new circuit, installing a new range hood with exterior ducting, modifying a gas line to a cooktop, or changing a window or door opening, you need a permit. The City of Johnstown Building Department, which administers permits from City Hall, explicitly does not allow unpermitted kitchen work to proceed — even for owner-builders (who are allowed on owner-occupied 1–2-family homes). The building code Johnstown enforces is the 2021 IBC with Larimer County amendments, meaning your plans must comply with IRC R602 (load-bearing wall requirements), IRC E3702 (small-appliance branch circuits), IRC P2722 (kitchen sink drainage), and NEC 210.52(C)(1) (counter-receptacle spacing). Unlike cosmetic kitchen updates (cabinet replacement, countertop resurfacing, appliance swap on existing circuits, paint, and flooring), structural or systems work always requires a permit and inspection.

The plan-review process in Johnstown is thorough and rejects incomplete submissions regularly. For kitchen remodels, the city requires a full electrical plan showing (1) all circuit breakers and wire runs to kitchen outlets and appliances, (2) GFCI protection locations marked on every counter receptacle and the refrigerator outlet, (3) the two required small-appliance branch circuits (one for counters, one for kitchen island or separate counter area), and (4) any gas-line modifications clearly labeled. Plumbing plans must show the kitchen sink location, trap arm length and pitch (minimum 1/4 inch per foot slope), vent routing, and any new rough-in lines required. If you're installing a range hood with exterior ducting, the electrical and mechanical plans must show the duct route, exterior wall penetration detail, and cap location. The most common rejection reason for Johnstown kitchen permits is a missing or inadequate electrical plan — specifically, no GFCI spacing notation or two small-appliance circuits not shown. The city's online portal accepts document uploads, but staff will mark up plans and request revisions via email; the process typically takes 3–4 weeks for a standard kitchen remodel. Load-bearing wall removal must include a signed letter from a Colorado-licensed structural engineer confirming that a beam (size and material specified) is installed per plan before the wall is demolished.

Johnstown sits in IECC Climate Zone 5B on the Front Range (lower elevations, Johnstown proper) and 7B in mountain areas — this affects insulation and air-sealing requirements if you're opening up walls or adding new exterior walls near the kitchen. The city's adoption of the 2021 IBC requires new windows to meet U-factor 0.32 and solar-heat-gain coefficient (SHGC) 0.23 if they're in the kitchen and facing south or west; replacement windows in kitchen remodels may also trigger this requirement. Johnstown is not in a wildfire interface zone, so exterior range-hood ducting does not have extra fire-rating requirements beyond standard penetration sealing. However, if your kitchen has a gas cooktop or range, the gas line must be certified by a licensed plumber or gas fitter; Johnstown requires a separate gas permit (usually $75–$150) when a gas line is modified or extended. The plumbing inspector will verify that the gas line is copper or corrugated stainless-steel tubing (CSST) with proper sediment trap and shutoff valve per IRC G2406.4.

Johnstown's permit fees for kitchen remodels range from $300 to $1,500, depending on the declared valuation of the work. The city typically charges a base permit fee of $100–$200 plus a per-square-foot surcharge (roughly $0.30–$0.50 per square foot of remodel area) or a percentage of total project cost (1.5–2% of declared valuation). For example, a $25,000 kitchen remodel would incur roughly $375–$500 in building permit fees, plus $150–$250 for plumbing and $150–$250 for electrical — total permit fees $675–$1,000. Mechanical (range-hood vent) is usually bundled into the building permit. If you hire a general contractor, the contractor's license and insurance will be verified; if you're an owner-builder, you must obtain an owner-builder permit (Johnstown allows this for owner-occupied homes, typically $50 additional). The city does not offer expedited review; standard plan review is 3–6 weeks. Inspections are scheduled separately and must occur at rough stages (framing/opening changes, rough electrical, rough plumbing, drywalled/closed walls, final). Each sub-trade (electrical, plumbing) typically requires 1–2 inspections.

Pre-1978 kitchens in Johnstown trigger lead-paint disclosure requirements under Colorado law (and federal law). If your kitchen was built before 1978, you must include a Lead-Based Paint Disclosure form with the permit application or prior to any demolition. This does not delay the permit but is a compliance checkbox; failure to disclose can result in a lender hold-up on refinance and buyer disputes. Johnstown does not have additional local lead ordinances beyond state/federal requirements. Owner-builders applying for Johnstown permits must be the home owner and occupant; they'll be required to pull permits in their name and be present at inspections. Owner-builders are not exempt from plan review or inspections — the rules are identical to contractor-pulled permits. Once your kitchen permit is issued, you have 180 days to begin work; if construction stops for more than 120 days, the permit may lapse and require re-issuance (additional $50–$75 fee). Inspections must be requested 24 hours in advance via the online portal or phone; same-day inspection is not available.

Three Johnstown kitchen remodel (full) scenarios

Johnstown's two-appliance-circuit rule and why it trips up homeowners

The 2021 IBC (which Johnstown enforces) requires two separate 20-amp small-appliance branch circuits in the kitchen, one for countertops and one for a kitchen island or separate counter area (NEC 210.52(B)). Many homeowners assume one new circuit will do, especially if the kitchen is small or the old electrical system is being upgraded wholesale. Johnstown's electrical inspector will reject any plan that shows only one small-appliance circuit or that tries to share a circuit between the dishwasher and countertop outlets. This is a compliance nonnegotiable, and it costs $200–$400 extra in electrical work (two new circuits from the panel vs. one) to fix after the fact.

The rule exists because kitchen equipment draws heavy current: dishwashers pull 15–20 amps, microwaves 10–15 amps, and countertop appliances (toasters, coffee makers, food processors) can spike to 10+ amps collectively. Two circuits ensure that a single appliance won't trip the whole kitchen. Johnstown inspectors verify this detail by examining the electrical plan submission and asking about circuit routing and breaker assignment during the rough electrical inspection. If you're hiring an electrician, confirm that they've submitted plans showing both circuits clearly labeled and that the electrician understands Johnstown's strict interpretation — some Colorado jurisdictions are more lenient, but Johnstown is not.

The two-circuit requirement also applies if you're adding an island with outlets. Many homeowners forget that an island receptacle string counts as a separate appliance circuit; if you have both countertop and island receptacles, you need two circuits, not one shared between them. The cost difference is negligible in new construction but adds $150–$300 in retrofit work if wiring must run across or under joists to a panel in an adjacent room.

Load-bearing wall removal in Johnstown kitchens: structural engineer requirements and what the inspector actually checks

If your kitchen remodel involves removing or significantly cutting a wall to open up the space, Johnstown requires a signed letter from a Colorado-licensed structural engineer (PE) confirming that the wall is or is not load-bearing and, if it is, specifying the beam size, material (steel or engineered lumber), and installation method. This is not optional — Johnstown will not issue a building permit for wall removal without the engineer's letter. The engineer must also provide a stamped structural plan showing the beam location, bearing points, and any posts or supports needed. The cost of the structural engineer's site visit, analysis, and stamped letter is $500–$1,200 depending on the wall complexity and the engineer's fee schedule.

The Johnstown building inspector will then inspect the work at three points: (1) before wall removal (to confirm the current wall condition and bearing points), (2) after beam installation (to verify size, material, and bearing), and (3) after final drywall (to confirm the beam is fully enclosed and fireblocked if needed). The inspector will also check that the beam's bearing points are adequately supported — if the wall is removing a bearing onto a 1970s concrete-block basement wall (common in Johnstown), the inspector may require additional engineering or a 2x12 ledger board bolted to the block. This is not a cosmetic inspection; Johnstown takes load-bearing changes seriously because expansive clay soil in some Johnstown areas can cause differential settlement, amplifying any structural weakness.

Avoid the common mistake of assuming 'opening up the kitchen' is a minor project — if a wall runs perpendicular to the floor joists (a sign of load-bearing), or if the wall sits above a basement wall, assume it's load-bearing and budget the engineer and structural beam cost upfront. Johnstown will not let you remove a wall and 'see what happens'; the permit will be denied until the engineer confirms the plan.

Common questions