Caldwell building department

The Caldwell Building Safety Division is part of the Community Development Department. It reviews, approves and inspects building projects inside Caldwell city limits, and Robin Collins, CBO, serves as Building Official. The office is in City Hall at 205 South 6th Avenue. Permit questions go to 208-455-3024 and inspection requests to 208-455-4605.

The permit process, step by step

Caldwell publishes an eight-step path from idea to occupancy:

1. Planning & Zoning approval. Confirm the use is allowed on the parcel and find out whether entitlements are needed first.
2. Application through the online portal, with all required documents.
3. Intake. Technicians check the submittal for completeness, and plan review fees are assessed at submittal.
4. Plan review. All applicable departments review at the same time.
5. Issuance. Once approved and paid, the stamped plans are released through the portal.
6. Plan modifications. Revisions may need resubmittal and extra fees.
7. Inspections at each construction phase.
8. Certificate of Occupancy or Completion, once all inspections and conditions are satisfied.

Published review times (initial review)

Project	Business days
One- and two-family residential	7–10 (may extend 5 days with workload)
Multifamily, commercial and fire permits	12–15
Signs	10–12

The clock starts only after the submittal is accepted as complete and fees are paid.

Applying online: CitizenServe and ProjectDox

All commercial, one- and two-family and multifamily permits must be submitted digitally. Paper submittals aren’t accepted. Building, electrical, plumbing, mechanical and sign permits go through the City’s CitizenServe ePermits portal. You’ll need an account tied to your email address. The dashboard tracks projects, schedules inspections, takes payments (Visa, Mastercard or e-check) and holds project documents and certificates of occupancy.

Plans are routed into ProjectDox for concurrent electronic review. Files must follow the ProjectDox Users Guide and System Use Requirements, and non-compliant uploads are rejected. Allow 24 hours for staff to process a submittal. Anything submitted after 5:00 p.m. is officially received at 10:00 a.m. the next business day.

What to include

• Every section of the application completed, and a legal description for new construction.
• A Certificate of Value form for all new residential and all commercial projects.
• A residential energy compliance certificate and the 2018 IECC prescriptive worksheet for new homes. Caldwell allows a visual inspection method for envelope tightness instead of testing, but the items must be field-verified as noted at application.
• MSDS sheets for any proposal involving chemical storage or processing.
• Southwest District Health approval of the plans for food establishments, before the building permit is issued.

The Applications & Forms page has packets for new homes, additions, pole buildings, single-family conversions, manufactured homes, moved buildings, demolition, window replacement, photovoltaic systems and floodplain development. It also has an Occupancy Permit for a change of use or tenant when no construction is proposed. Separate fire sprinkler, fire alarm and hood suppression packets apply depending on whether the property is served by the City or the county fire district. Example drawings (site plan, foundation, floor plan, porch footing, garage conversion and others) show the level of detail reviewers expect. Spanish-language permit information is also available.

Fees

Building Safety fees are in the City’s FY2027 Community Development Fee Schedule. The FY2026 building fee schedule is archived on the same page. Development impact fees and the traffic impact fee plan (Resolution 429-24) are published separately. Impact fees follow the land-use categories in the impact fee ordinance, so a duplex may be charged as multifamily even though building and zoning codes don’t treat it that way. Exemption forms exist for replaced dwellings and for manufactured or modular homes.

Adopted codes and design criteria

Caldwell enforces:

• 2018 International Residential Code (Parts I–IV and IX)
• 2018 International Building, Existing Building, Mechanical, Fuel Gas and Property Maintenance Codes
• 2018 IECC with state amendments
• 2018 International Fire Code with IDAPA 07.03.01
• 2023 National Electrical Code with Idaho rules
• 2017 Idaho State Plumbing Code
• 1997 Uniform Code for the Abatement of Dangerous Buildings and 1997 Uniform Sign Code

Criterion	Caldwell value
Ground snow load	20 psf
Roof snow load	25 psf
Frost depth	24 inches
Wind speed	115 mph
Seismic design category	B
Minimum collateral load	5 psf

Inspections

Call 208-455-4605 or schedule online by 7:00 a.m. for a same-day inspection. Later requests go to the next day. The permit must be issued and paid before you can schedule. If the work won’t be ready, book the next business day so you aren’t charged a re-inspection fee. Inspectors try to work around scheduled concrete pours.

On manufactured homes, skirting can’t go on until setback, block-and-tie, electrical and plumbing inspections pass. The final can be requested after skirting, steps, landings, ventilation and address numbers are installed.

Additions, porches, carports and decks each need their own permit and inspections, and so does new or replaced mechanical equipment.

Contractors

Contractors must be registered with the State of Idaho through DOPL, which is required for jobs over $2,000 in materials and labor. Fire sprinkler contractors must appear on the State Fire Marshal’s licensed sprinkler contractor list.

Related offices

Planning & Zoning (City Hall, 208-455-3000) handles zoning compatibility, site design standards, public hearing cases, and landscaping and public-amenity inspections required before occupancy.