Do I need a permit for a full kitchen remodel in
San Dimas, CA?

San Dimas full kitchen remodel permits — the key details

San Dimas requires a building permit for any kitchen remodel that involves structural changes, trade-specific work, or code-dependent installations. The California Building Code Section 5.2 requires permits whenever plumbing, electrical, mechanical, or gas systems are modified; when walls are moved or bearing capacity is affected; or when window/door openings change. A 'cosmetic-only' kitchen (cabinets, countertops, appliances, paint, flooring, hardware) is permit-exempt under CBC Exception 1, Section 105.2, as long as no electrical outlets are added, no plumbing is touched, and no finishes trigger fire-separation changes. In practice, San Dimas Building Department staff will ask you: (1) Are you moving or removing walls? (2) Are any walls load-bearing? (3) Are plumbing fixtures relocating? (4) Are you adding circuits or outlets? (5) Is a range hood being vented through an exterior wall? (6) Are gas lines being modified? (7) Are window or door openings being enlarged or relocated? If you answer yes to any of these, a permit is required. Most full kitchen remodels answer yes to at least three, making them permit-mandatory in San Dimas.

The three most common code rejections for San Dimas kitchen plans are: (1) Missing small-appliance branch circuits — Title 24 and NEC 210.52(B) require two separate 20-amp circuits for countertop receptacles, and they cannot be shared with the refrigerator, disposal, or dishwasher; San Dimas plan reviewers check the electrical drawing carefully and will reject if only one circuit is shown. (2) Counter-receptacle spacing and GFCI protection — NEC 210.52(C) requires outlets spaced no more than 48 inches apart on kitchen counters, and every one must be GFCI-protected or on a GFCI circuit; the city's checklist specifically flags spacing violations. (3) Range-hood termination detail — if you are running ductwork to an exterior wall or roof, your plan must show the duct diameter, cap type, and exterior clearance; many homeowners (and contractors) assume a range hood is 'just a vent' but San Dimas requires it on the electrical and sometimes mechanical plan, and inspectors will reject if the termination cap and duct routing are not detailed. Load-bearing wall removal without a signed engineer's letter is an automatic rejection — San Dimas follows California Title 24 Appendix S (prescriptive beam sizing), which requires either a structural engineer's report or use of approved prescriptive tables; you cannot remove a bearing wall with just a contractor's estimate.

Plumbing relocations are the second-most common source of rejections. If you are moving a sink, dishwasher, or any fixture, your plumbing plan must show: the new vent-stack location, trap-arm angle and length (per CBC Section 4202.4.3, trap arms over 3 feet require a cleanout), venting compliance (wet venting is allowed under CBC Section 4202.6.2 if conditions are met, but most kitchens use individual vents), and backup-valve locations if required. San Dimas plumbing inspectors are strict about trap-arm routing — many kitchens have under-slab plumbing, and the inspector will check for proper slope (1/4 inch per foot), no siphoning risk, and cleanout access. If your existing kitchen drain is a single-wall under-slab PVC, and you are adding a dishwasher or second sink, you may need to extend or reroute the main vent stack, which can be expensive (another $1,500–$3,000). Gas-line modifications (moving a range or adding a warming drawer) require a licensed plumber or gas-fitter; San Dimas does not allow homeowners to modify gas lines even under owner-builder privileges (California Business & Professions Code Section 7044 exempts owner-builders from the license requirement for building and plumbing on their own dwelling, but gas work always requires a license).

San Dimas Building Department operates a permit portal (accessible at the city website or directly through their counter at City Hall, 245 E. Foothill Boulevard, San Dimas, CA 91773). For kitchen remodels, the typical process is: (1) Submit a permit application with architectural/structural drawings (if walls are moved), electrical and plumbing plans, and a Title 24 compliance report. (2) Plan review takes 2-4 weeks for a standard kitchen; if the building/electrical/plumbing teams flag issues, you get an e-mail or phone call with deficiency notices, and resubmission adds another 1-2 weeks. (3) Once approved, you schedule rough inspections in order: framing (if walls moved), rough plumbing, rough electrical, HVAC/range-hood venting (if added), then drywall rough-in, and finally final inspections for drywall, fixtures, and overall compliance. (4) Each inspection must be requested via the portal or phone; inspectors typically arrive within 1-2 business days during normal seasons. The total timeline from application to final approval is usually 4-8 weeks, assuming no major deficiencies. Permit fees for a full kitchen remodel in San Dimas range from $400–$1,500 depending on the estimated valuation of the work; the city charges a flat application fee ($150–$250) plus a percentage of valuation (typically 0.75%-1.5%), divided among building, electrical, and plumbing sub-permits.

Title 24 compliance and seismic requirements add complexity. If your kitchen renovation includes changes to the HVAC system or ventilation (e.g., range hood with exterior ductwork, or removing a soffit that houses HVAC ducts), you must submit a Title 24 compliance report showing that the kitchen will still meet California's energy code post-renovation. This is often overlooked by homeowners, and San Dimas plan reviewers will reject the electrical/mechanical plan if no compliance report is attached. Additionally, San Dimas is in Seismic Zone 4, which means gas lines must be braced per CBC Section 4228.4 (flexible connectors, strapping every 4 feet), and upper cabinets or anchored appliances over 40 inches tall must be seismically anchored to studs. These are code requirements, not optional upgrades, and the final inspector will check for proper bracing. If your home was built before 1978, you must also provide a lead-paint disclosure under California Health & Safety Code Section 1745.95; the city does not enforce the lead-paint rule, but your contractor must acknowledge it in writing, and any disturbance of painted surfaces requires containment and proper disposal. This adds cost and timeline if you discover lead paint during demolition.

Three San Dimas kitchen remodel (full) scenarios

How San Dimas plan review works — and why it takes 3-4 weeks even for straightforward kitchens

San Dimas Building Department operates a three-tier plan review system for kitchen permits: intake/completeness check (1-2 days), initial plan review by building/electrical/plumbing specialists (7-10 business days), and deficiency resolution (3-7 days if changes are minor, or another full review cycle if major changes are required). When you submit your permit application at the City Hall counter or online portal, the intake clerk checks that you have submitted the required forms (permit application, architect's or engineer's stamp, electrical plan, plumbing plan, proof of title or property ownership). If anything is missing, your application is 'incomplete' and returned immediately; resubmission restarts the clock. Once intake is cleared, the application goes to the building inspector (for structural, Title 24 compliance, and seismic details), the electrical inspector (for circuiting, outlet spacing, GFCI locations, bonding), and the plumbing inspector (for supply/waste/vent routing, trap sizing, backflow prevention). Each specialist reviews independently and notes deficiencies on a single form; you typically receive one phone call or e-mail listing all deficiencies across all disciplines.

Deficiency resolution is where time compounds. Common plan-review requests for San Dimas kitchen permits include: (1) 'Show two separate 20-amp small-appliance circuits with no other loads' — if your electrical plan shows a single shared circuit, the electrical inspector will mark it as 'revise.' (2) 'Verify all countertop receptacles are spaced no more than 48 inches apart' — you may need to add 1-2 outlets on the revised electrical plan. (3) 'Provide structural engineer letter for wall removal' — if you tried to use prescriptive tables and the inspector disagrees with your interpretation, you must hire a PE ($400–$800 for a letter and calcs). (4) 'Show range-hood termination cap type and exterior clearance' — if your plan shows 'duct to attic' or just 'exterior,' you must revise to show the actual cap model and distance from windows. (5) 'Provide Title 24 compliance form (CASE 1 or CASE 2)' — if you are modifying HVAC or wall area over 25%, you need a state-compliant energy report; many contractors do not submit this and must add it after plan review begins. Each deficiency requires a revised plan submission, another 5-7 day review, and possible re-deficiency. For straightforward projects (new outlets, simple routing changes), the resubmission might take 1-2 weeks total. For structural or energy-code deficiencies, add another 2-3 weeks.

San Dimas requires all kitchen plans to be sealed by a California-licensed professional (architect or engineer) if any structural changes are made; this is stricter than some neighboring cities and adds cost ($1,500–$3,000 for a structural engineer, or $2,000–$5,000 for an architect if you need design-build drawings). The city will not issue a permit based on a contractor's sketch, even if the work is simple. For cosmetic kitchens or those with only electrical/plumbing changes (no structural), a General Contractor or qualified design professional can seal the plans, reducing the cost.

Title 24 and seismic bracing — California-specific costs and timing

California Title 24 is the state's energy code, updated every 3 years (San Dimas enforces the current cycle). For kitchen remodels, Title 24 applies whenever you modify ventilation or alter more than 25% of wall surface area in the kitchen. A 'new range hood with exterior venting' triggers Title 24 because you are changing the HVAC system; a 'cabinet and countertop swap with no structural changes' does not. The Title 24 requirement manifests as a compliance form (CASE 1 for residential kitchen ventilation) showing that the new hood will meet minimum CFM requirements, that make-up air is provided if the hood exceeds 400 CFM, and that ductwork is sized and sealed properly. Many homeowners and contractors do not know about this requirement until the San Dimas plan reviewer e-mails a deficiency asking for it. The form itself is straightforward (1-2 pages) but requires a licensed HVAC designer or energy consultant to complete; you can also use your contractor if they are Title 24-certified, or hire an energy consultant for $200–$400 to fill it out. Failure to include the Title 24 report will delay your permit by 2-3 weeks.

Seismic bracing in San Dimas Seismic Zone 4 is mandatory and often expensive. If you are removing a bearing wall and installing a new steel or engineered beam, the beam must be bolted to the foundation and braced laterally (per CBC Section 4228.4 and California Title 24 Appendix S seismic requirements). This typically means anchor bolts ($300–$500 in materials) and a structural detail showing the connection; many contractors underestimate this cost or omit it from initial quotes. Similarly, gas lines must be braced every 4 feet with steel straps and seismic-rated fittings; a kitchen gas-line relocation will include $500–$1,000 in seismic bracing material and labor. Upper cabinets (typically 30 inches tall) must be anchored to studs if the kitchen is in a seismic zone; most cabinet installers know this, but some do not, and the final inspector will check. Seismic bracing adds 1-2 weeks to the construction timeline (installer must coordinate with the framing and mechanical crews) and typically $1,500–$3,000 in additional labor and materials for a full kitchen with bearing wall removal.

San Dimas plan reviewers are particularly thorough on Title 24 and seismic details because they know these issues frequently result in re-inspections or complaints. If you are planning a kitchen remodel with any structural or ventilation changes, budget for a Title 24 energy report ($200–$400) and structural-seismic calculations ($400–$1,000), and plan for plan review to take 4-6 weeks total (intake + initial review + one deficiency cycle + re-approval). For cosmetic-only work, there is no Title 24 or seismic requirement, and no permit is needed.

Common questions