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Idaho · C2b Sub-state (city) facts · 4 min read

ADU, Duplex Conversion, and Off-Street Parking Rules for Landlords in Boise, Idaho

Direct statutory answer

Boise landlords must adhere to specific zoning laws, obtain necessary permits for ADU conversions and duplexes, and ensure compliance with lease clauses regarding notice periods and timing requirements.

IDAHO STATUTORY RECORDMunicipal Zoning Standard ADU, Duplex Conversion, and Off-StreetParking Rules for Landlords in Boise, Idaho PRIMARY UNITADU SUITESetback & Height RestrictionsBlueprint & Unit Sizing• Size cap: max 25% of multifamily footprint• Minimum dwelling unit dimensions apply• Independent exterior ingress requiredMUNICIPAL BUILDING DEPTPermitting & Safety DivisionCERTIFICATE OF OCCUPANCYCOO REQUIRED PRIOR TO LEASEZoning & Permit Mandate• Formal plans review before conversion• Mandatory pre-occupancy safety walk• Unpermitted rentals face code citationsP1Primary UnitDedicated StallP2ADU TenantOff-Street ReqParking Minimum Rules• Minimum 1 designated off-street space• Street parking cannot satisfy ADU ratio• Paved driveway / carport required

ADU, Duplex Conversion, and Off-Street Parking Rules for Landlords in Boise, Idaho

Permitting, Zoning, or Statutory Basis

In Boise, Idaho, landlords must adhere to specific zoning laws and obtain necessary permits for ADU conversions and duplexes. According to the Boise City Zoning Ordinance, an ADU (Accessory Dwelling Unit) is a secondary dwelling unit on the same parcel of land as the primary dwelling. To convert an existing structure into an ADU, landlords must obtain a Building Permit and adhere to the multifamily district share requirements. Additionally, off-street parking is required for ADUs and duplexes, with specific parking per unit requirements outlined in the Boise City Zoning Ordinance.

Lease Clauses, Notice Periods, and Timing Requirements

Lease agreements for ADUs and duplexes in Boise must include specific clauses regarding notice periods and timing requirements. Landlords must provide tenants with proper notice before entering the property for maintenance or repairs, and this notice period is typically 24 hours. Additionally, landlords must adhere to specific timing requirements for eviction notices and other legal proceedings. Failure to comply with these lease clauses can result in legal action and potential penalties.

Defensible Record-Keeping & Compliance Checklist

To ensure compliance with Boise’s zoning laws and lease clauses, landlords must maintain accurate records of all permits, inspections, and maintenance activities. Landlords should also keep copies of all lease agreements, tenant notices, and legal proceedings. A defensible record-keeping system includes:

  1. Permit Applications: Maintain copies of all Building Permit applications and any subsequent inspections or approvals.
  2. Lease Agreements: Keep copies of all lease agreements, including any amendments or modifications.
  3. Tenant Notices: Maintain records of all tenant notices, including eviction notices and maintenance requests.
  4. Legal Proceedings: Keep copies of all legal proceedings, including court filings and judgments.
  5. Security Deposit Accounting: Maintain accurate records of all security deposits, including any payments or refunds.
  6. Maintenance Records: Document all maintenance activities, including dates and descriptions of work performed.

By following these guidelines and maintaining a defensible record-keeping system, landlords can ensure compliance with Boise’s zoning laws and lease clauses. For more information on ADU permits, zoning laws, and compliance requirements in Boise, Idaho, please refer to the Boise City Zoning Ordinance and the Boise City Building Department.

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