Before You Build in Sioux Falls, SD: Permit & Rule Checklist (2026)

Sioux Falls follows the adopted International Residential Code: retaining walls 4 feet or less in height (measured from the bottom of the footing to the top of the wall) are exempt from a building permit unless the wall supports a surcharge or impounds liquids. Walls over 4 feet, walls supporting a driveway or other load, and walls retaining water require a building permit from Building Services.

Sioux Falls § 160.480 permits standard residential fence materials (wood, vinyl, chain link, wrought iron, aluminum) but prohibits barbed wire and razor wire on fences abutting residentially used or zoned property. All fence posts in residential zoning districts must be secured below ground level, and the finished side of the fence must generally face outward.

Sioux Falls Property Maintenance Code § 303.2 (and the adopted International Swimming Pool and Spa Code) requires every private pool, hot tub, or spa containing water more than 24 inches deep to be enclosed by a barrier at least 48 inches tall, with self-closing and self-latching gates, no openings larger than 4 inches, and no more than a 4-inch gap between the ground and the barrier bottom. A permit is required for every pool barrier — the standard residential fence exemption does not apply.

Sioux Falls Zoning Code § 160.480 caps fences at 4 feet in front yards and 6 feet in side and rear yards. Corner lots fronting an arterial or collector may run a 6-foot fence in the street-facing front yard if set back at least 10 feet from the property line. A zoning permit is required for every fence regardless of height; a building permit is required only when the fence exceeds 7 feet.

Most residential fences in Sioux Falls do not require a building permit if they are 7 feet or under. Fences exceeding 7 feet in height do require a permit. All fences must comply with zoning setback and height regulations.

Sioux Falls does not mandate neighbor consent to install a fence along a residential property line. Boundary fences are a private civil matter under SDCL Chapter 43-23 (partition fences). The city's zoning role under § 160.480 is limited to height, setback, materials, and sight-triangle compliance. Disputes over shared maintenance, encroachment, or cost-sharing are handled in South Dakota magistrate or circuit court, not by the city.

Hot tubs and non-swim spas in Sioux Falls fall under the 2021 ISPSC but benefit from a meaningful exception: under ISPSC § 305.6, a hot tub or spa equipped with a lockable safety cover that complies with ASTM F1346 is exempt from the perimeter barrier requirement that would otherwise apply to swimming pools. A building permit is still required for installation if the unit is hard-plumbed or hard-wired (most are), an electrical permit and inspection are required for the 240-volt circuit, and NEC Article 680 bonding still applies. A swim spa or active spa designed to allow swimming is NOT eligible for this exception and is regulated as a full swimming pool.

Sioux Falls requires a building permit issued by Planning & Development Services before constructing, installing, or substantially altering any residential swimming pool, spa, or swim spa capable of holding water more than 24 inches deep. The city has formally adopted the 2021 International Swimming Pool and Spa Code (ISPSC), effective January 1, 2022, which governs design, construction, alteration, repair, and maintenance city-wide. A separate electrical permit is required for pool bonding/grounding work, and a fence permit (typically $20) is required for the perimeter barrier. Permit applications must include a site plan showing setbacks, the barrier location, and proximity to overhead power lines.

Beyond the perimeter barrier, the 2021 ISPSC as adopted by Sioux Falls imposes life-safety requirements that include NEC-compliant electrical bonding and grounding (Article 680), Virginia Graeme Baker Pool and Spa Safety Act anti-entrapment drain covers, suction-outlet protection on single-drain pools, and either door alarms or an ASTM F1346 powered safety cover when the house wall serves as part of the barrier. A separate electrical permit is required for all pool wiring, and a final electrical inspection must be passed before the pool may be filled and energized. South Dakota has no separate state pool-safety statute for private residences — SDCL 34-18A applies only to public bathing places.

Every residential pool, spa, or swim spa in Sioux Falls capable of holding water 24 inches or deeper must be enclosed by a barrier at least 48 inches tall measured from the exterior grade. Openings in the barrier must not allow passage of a 4-inch sphere, the barrier must withstand a 220-pound horizontal load, and any pedestrian gate must be self-closing and self-latching with the release mechanism at least 54 inches above the ground (or on the pool side of the gate). These requirements come from Section 305 of the 2021 ISPSC, which Sioux Falls has adopted by reference. There is no state-level alternative — SDCL 34-18A governs public pools only.

Above-ground residential pools in Sioux Falls follow the same 2021 ISPSC requirements as in-ground pools, but with one important practical advantage: under ISPSC § 305.2.10, where an above-ground pool wall is at least 48 inches high, the wall itself may serve as the required barrier. Any ladder or steps providing access must be either removable when the pool is unattended (and stored to prevent re-installation by a child), or surrounded by a secondary barrier meeting all the standard 48-inch / 4-inch / self-closing / self-latching rules. A building permit is still required, the pool must be set back from property lines per zoning, and electrical bonding of the pool shell, ladder, and pump motor must comply with NEC Article 680.

Converting a garage into livable space in Sioux Falls requires a building permit and triggers the city's Accessory Dwelling Unit (ADU) rules under Code § 159.305 if you create an independent dwelling unit. ADUs are limited to 75% of the primary home's floor area (attached) or 50% (detached), require 2 extra off-street parking spaces, and demand owner-occupancy of either the main home or the ADU.

Sioux Falls allows one accessory dwelling unit (ADU) per single-family lot under § 160.093 of the city zoning code. One of the two units must be owner-occupied, and a detached ADU is capped at 40% of the main structure's square footage.

Sioux Falls allows tiny homes (under 400 sq ft) on permanent foundations only as Accessory Dwelling Units (ADUs) under Code § 159.305, subject to ADU size caps, parking, and owner-occupancy rules. The city follows IRC Appendix Q (adopted with the 2021 IRC under Title 150). Tiny homes on wheels (THOWs) are treated as recreational vehicles and cannot be used as permanent dwellings on residential lots.

Carports in Sioux Falls require a building permit and are regulated as accessory structures under Code § 160.093. They are prohibited in the required front-yard setback and must meet the same side/rear setbacks as detached garages. Carports cannot replace required enclosed garage parking in zones that mandate it and must be permanently anchored.

Sioux Falls requires a permit for every shed regardless of size. Sheds 200 sq ft or less get a simplified zoning placement permit; sheds over 200 sq ft must meet full residential building code. In rear yards more than 10 ft from the house, sheds can sit as close as 2 ft from the side/rear property line under Sioux Falls Code Title 16 (§160.093 Accessory Uses).

Sioux Falls allows recreational fires and portable outdoor fireplaces under the city-adopted International Fire Code (IFC) Chapter 3, Section 307. Recreational fires must be no more than 3 feet in diameter and 2 feet tall, kept at least 25 feet from any structure or combustible material (15 feet for portable fireplaces), constantly attended until extinguished, and only burn clean wood, charcoal, or manufactured logs. The Sioux Falls Fire Rescue can order any fire extinguished if it creates a hazardous or nuisance condition (IFC §307.3).

Open burning of leaves, yard waste, trash, construction debris, or other materials is prohibited within Sioux Falls city limits under the adopted International Fire Code (IFC §307) and the city's Health & Sanitation ordinances (Title 96). The only allowed outdoor fires are (1) compliant recreational fires/portable fireplaces under IFC §307.4, (2) cooking fires (grills, smokers), and (3) larger open burns explicitly permitted by the Sioux Falls Fire Marshal for land-clearing or training. Yard waste must be disposed via the city's curbside collection or drop-off at the Yard Waste & Wood Drop-Off Site.

Private tree removal on residential property in Sioux Falls generally does not require a permit. However, boulevard trees between the sidewalk and street are city property and require approval from Urban Forestry before removal. Dead or hazardous trees must be removed by the property owner.

Chapter 94 (Forestry) makes the abutting property owner responsible for trimming, deadwooding, and maintaining street/boulevard trees in the parking strip. Section 94.038 requires a free Street Tree Planting Permit before planting any tree in the public right-of-way, and ash trees may not be trimmed, removed, or transported within the Minnehaha/Lincoln/Turner County emerald ash borer quarantine between Memorial Day and Labor Day.

Sioux Falls operates a permanent Stage 1 lawn-watering ordinance: no irrigation between noon and 5 p.m. any day, and lawns may only be watered on calendar dates matching the address parity (odd-address/odd-date, even-address/even-date). Stage 2 cuts watering to one day per week; Stage 3 prohibits all outdoor watering. Hand-watering of shrubs, trees, and gardens with a shut-off nozzle is allowed anytime.