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Kauai County Unincorporated
City Zoning Code

ARTICLE 30

Additional Rental Units

§ 8-30.1 Additional Rental Units.

(a) 
One Additional Rental Unit may be constructed as an accessory to an existing dwelling unit located within the Residential Zoning District, subject to the following conditions:
(1) 
The maximum total floor area for an Additional Rental Unit shall be 800 square feet. The total floor area shall mean the sum of the horizontal areas of each floor of a building, measured from the interior faces of the exterior walls. The total floor area shall include enclosed attached accessory structures such as garages or storage areas. Unenclosed attached structures such as breezeways, lanais, or porches shall be excluded.
(2) 
One off-street parking space per Additional Rental Unit shall be provided in addition to the required off-street parking for the primary dwelling unit(s).
(3) 
Neither the owner or owners, nor the heirs, successors or assigns of the owner or owners will submit the lot or any portion thereof to a condominium property regime under the provisions of Hawai'i Revised Statutes, Chapter 514A and 514B, to separate the ownership of an Additional Rental Unit from the ownership of its primary dwelling unit.
(4) 
The Additional Rental Unit shall be used only for long-term rental or otherwise occupied for a period of at least six months per year.
(5) 
The Additional Rental Unit shall not be used for transient accommodations, including but not limited to a homestay or transient vacation rental.
(6) 
Provided the Department of Public Works, Engineering Division does not object, an additional 10% land coverage beyond the land coverage maximum established under Section 8-4.3 shall be provided to the respective property for the construction of an Additional Rental Unit(s) and any required off-street parking stall(s).
(b) 
With the exception of Section 8-30.1(a)(6), the development standards for an Additional Rental Unit shall be the same as the requirements of Section 8-4.3 and Section 8-4.5 relating to the Residential District.
(c) 
Prior to building permit review for an Additional Rental Unit, the following public facilities shall be found adequate to service the Additional Rental Unit:
(1) 
For sewered areas, the availability and capability of a public sewer system shall be confirmed in writing by the Department of Public Works. The availability of a private sewer system or an individual wastewater system shall be confirmed in writing by the State of Hawai'i Department of Health.
(2) 
The availability of water (including but not limited to source, transmission, and storage lines/facilities) shall be confirmed in writing by the Department of Water.
(3) 
Approval in writing for an Additional Rental Unit from the Kaua'i Fire Department shall be required.
(d) 
The Additional Rental Unit Facilities Clearance Form as prescribed by the Planning Director shall be completed prior to application for a building permit and shall be submitted with the building permit application. All requirements and conditions on the completed Additional Rental Unit Facilities Clearance Form shall be met prior to issuance of a building permit based on legal requirements at the time of building permit issuance. The Planning Director shall certify the Additional Rental Unit Facilities Clearance Form as complete only if every signature blank on the form has been signed by the respective department or agency, and the applicant has signed an affidavit prescribed by the Planning Director.
(e) 
The permitting and construction of an Additional Rental Unit shall conform to Chapter 444 and Chapter 448E of the Hawai'i Revised Statutes.
(f) 
Additional Rental Units shall be prohibited on any property located within any of the County of Kaua'i's Tsunami Evacuation Zones west of the Hanalei River.
(g) 
Additional Rental Unit (ARU) Subsidy; Purpose. There is hereby established and created an account to be known as the "Additional Rental Unit (ARU) Subsidy" within the Housing Development Fund (Fund No. 512) for the purpose of subsidizing efforts associated with the Facilities Reserve Charge (FRC).
Administration. The County Housing Agency shall certify an applicant's qualification to receive an Additional Rental Unit (ARU) Subsidy. Applications for an ARU Subsidy shall be processed on a first come, first served basis, subject to funding availability. Copies of all ARU Subsidy Applications, regardless of affordability certification result, shall be provided to the Planning Department, the Public Works Department-Wastewater Division, and the Public Works Department-Building Division prior to any waiver of fees.
Appropriation of Funds. An appropriation of $113,200 from the Housing Development Fund shall be set aside to assist property owners with efforts associated with the Facilities Reserve Charge. Annual appropriations from the Housing Development Fund shall be subject to Council approval. Any balance remaining in the Additional Rental Unit (ARU) Subsidy account at the end of any fiscal year shall not lapse. The moneys in the Additional Rental Unit (ARU) Subsidy account shall not be used for any purpose except those listed in this section. Any violation of the affordable housing restrictions required by the Housing Agency may result in an ARU Subsidy Repayment as follows:
Number of days in Affordable Rental Program
Percent of ARU Subsidy Repayment
Less than or equal to 365 days (1 year)
100%
Less than or equal to 730 days (2 years)
75%
Less than or equal to 1,095 days (3 years)
50%
Less than or equal to 1,460 days (4 years)
25%
Less than or equal to 1,825 days (5 years)
10%
Repayment. The ARU Subsidy Repayment constitutes a lien upon the real property in which the ARU is situated. The lien may be recorded in the appropriate land record system. After any failure to pay the amount due, the lien may be enforced by any legal action, including foreclosure proceedings. In the event legal action is instituted for collection, the County shall be reimbursed for all costs of collection including reasonable attorneys' fees.
Rules and Regulations. The Kaua'i County Housing Agency is hereby authorized and directed to promulgate rules and regulations as may be necessary to implement subsection 8 30.1(g) within 12 months from approval of this Ordinance.
Preemption. Nothing in this section shall be construed to preempt or prohibit the authority in any other provision of the Kaua'i County Code 1987, as amended.
(Ord. No. 1026, March 19, 2018; Ord. No. 1059, November 12, 2019; Ord. No. 1133, October 6, 2022)