Retiring in Irmo, South Carolina

Retiring in Irmo: overview

Irmo is in Lexington County and Richland County, South Carolina, within the Columbia & the Midlands region.

The Town of Irmo began as a rural settlement and a stop on the Columbia, Newberry and Laurens Railroad. The town's history page says it was incorporated on December 24, 1890, and that its name honors two railroad figures, Mr. Iredell and Mr. Moseley. Irmo stayed rural for decades until subdivisions arrived in the late 1960s and early 1970s and, by the late 1970s, rapid growth changed the landscape. The town's home page now lists a population of 12,000+, more than 50 acres of parks and facilities and more than 700 businesses, and describes its character as a blend of small-town and suburban living.

For a retiree the useful way to read Irmo is as a lake-side suburb with a municipal government that actively runs its parks, events and planning. The town operates under a council form of government with a mayor and four council members serving staggered four-year terms, and Town Hall is in the Lown House at 7300 Woodrow Street, a restored Victorian house. The tradeoff is that Irmo is a small town inside a large suburban area: much of what people call Irmo is outside the town limits, and some of it is in a different county, so taxes, trash service and zoning depend on the exact address.

Irmo pairs naturally with Lexington, and the two places answer different questions: Lexington is the larger town, with county offices and a beach on the Lexington side of the lake, while Irmo is a smaller town with a parks-and-festival identity and a year-round boat launch. Both draw on the same hospital systems, the same airport and the same Lake Murray.

Cost of living in Irmo

The South Carolina Department of Revenue says the statewide sales tax is 6 percent and that counties can add local taxes with voter approval. Its notice says Lexington County extended its School District Tax effective March 1, 2026 and that the county rate remains 7 percent. Richland County, where part of the Irmo area lies, is listed with a Local Option Sales and Use Tax effective May 1, 2005 and a Transportation Tax effective May 1, 2013. Because the sales tax rate differs by county, use the Department's rate lookup for the address and for where you shop.

Irmo's own services have a cost structure worth knowing. The town contracts with NewSouth Waste for weekly curbside residential garbage, recycling and yard-waste collection for in-town residents, with one recycling cart and one trash cart per household provided at no initial cost and a fee for an extra bin. Residents who need ADA-accessible pickup can get it free by giving Town Hall a medical note. Outside town limits, service depends on the county and the provider, which is one more reason to confirm whether an address is in the town.

Property taxes in Irmo

South Carolina property tax is the product of market value, an assessment ratio and millage, and the owner-occupant rules are the main levers. The Lexington County Auditor's FAQ explains that a mill is one thousandth of a dollar and that an owner-occupied house is assessed at a 4 percent ratio; it says property owners can apply for the SC Tax Relief/Legal Residence Discount on their one legal residence, and that second homes, rental homes and acreage above five acres may not qualify. The Department of Revenue's policy manual adds that a qualifying legal residence is exempt from school operating millage but not from millage for school debt or county and municipal taxes.

For the Lexington County side, the Auditor's Tax Year 2025 millage schedule groups rates into five school districts and lists several columns for District Five, including columns labeled District 5 - Town of Irmo and District 5 - Town of Chapin. The District Five school district levy is 330.5 mills, made up of 261.0 mills for school operations and 69.5 mills for school bonds. The county levy is 91.3 mills in most columns. Municipal and fire-district levies differ by column, so match the column to the property. Irmo's town page points to both the Lexington County and Richland County comprehensive plans and zoning ordinances, which is a reminder that part of the area may be taxed by Richland County; confirm the Richland millage, assessment and exemptions with Richland County before contract.

Lexington County's Assessor says it reappraised all real property in a countywide reassessment implemented in 2025 and that the next one is scheduled for 2030. The Assessor's 2025 question-and-answer sheet says taxable value cannot rise more than 15 percent at reassessment, but that property transferred in 2024 or with new construction completed in 2024 is not protected by that cap. A buyer should expect the first bill after a sale to reflect current market value.

The Homestead Exemption for owners 65 and older is set by state law and administered by each county's Auditor. Lexington County's page says the exemption covers the first $50,000 of a home's value from all property taxes, requires a year of South Carolina legal residence and age 65 as of December 31 before the tax year, and is not applied for annually but must be reapplied for after a change in ownership or rental of the home. The Department of Revenue says the amount was temporarily raised to $75,000 for Tax Year 2026 by the Fiscal Year 2026-2027 state budget. The South Carolina retirement taxes guide covers state income and property rules together.

Insurance and risk in Irmo

The Irmo area is inland, so the main storm-related exposure is wind, tree damage, heavy rain and the traffic that comes with coastal evacuations. The state's 2026 Annex C lists lane reversals on Interstate 26 in the Central Hurricane Region running westbound from near Exit 197 to the I-77/I-26 interchange in Columbia. Lexington County Emergency Management publishes an Emergency Road Closure Map and an emergency-warning registration page.

Two water-related hazards are specific to this area. On the lake, Dominion Energy lists a Lake Murray evacuation map and requires permits for docks, boat ramps and retaining walls. Below Lake Murray Dam, the Lower Saluda River is a State Scenic River, and SCDNR warns that flows can change within a couple of hours because of releases from the hydroelectric plant, with daily flows ranging from 400 to 20,000 cubic feet per second and water about 60 degrees Fahrenheit. Dominion's page tells everyone on the river to wear flotation and to be especially cautious near the dam. The town's resource list links the Irmo Fire District, which lists a headquarters station plus the Childs Street and Northlake stations.

Healthcare access in Irmo

Irmo residents can reach both of the Midlands' large hospital systems. Lexington Medical Center, at 2720 Sunset Boulevard in West Columbia, is a 607-bed hospital with a 24-hour emergency room, more than 80 doctors' offices and six accredited urgent care centers according to Lexington Health, and its awards page lists a U.S. News & World Report Best Hospital in Columbia Metro designation for 2026-2027. Prisma Health Richland Hospital, at 5 Richland Medical Park Drive in Columbia, has 641 acute care beds, a Level I adult trauma center and the area's only pediatric trauma center.

Both systems are visible in Irmo's civic life: Moore Park's amphitheater is the Prisma Health amphitheater, and the Okra Strut festival is presented as the Lexington Medical Center Irmo Okra Strut. Sponsorship is not a quality signal, but it does show how embedded the two systems are. For evaluating Medicare plan networks and drive times to specialists, see the healthcare access guide.

Climate in Irmo

The State Climatology Office's overview puts the Midlands at about one winter precipitation event per season on average, compared with two or three in the Upstate, and notes that the February 2014 ice storm, one of the state's worst, also brought heavy snow to the Midlands and Upstate. Summers are the bigger planning factor: for 1973 to 2018, Columbia averaged 635.5 hours a year at a heat index of 90 degrees or higher and 96.5 hours at 100 degrees or higher. The state's record high of 113 degrees was recorded on the University of South Carolina campus on June 29, 2012. Shade, a pool or lake access and indoor options for the hottest weeks are part of daily planning.

Lifestyle and recreation in Irmo

Irmo's town-run parks are its lifestyle anchors. Moore Park, at 7473 Church Street, has the Prisma Health amphitheater, picnic shelters with grills, scenic trails, a pond, a playhouse and playgrounds, and is open from 7 a.m. to 10 p.m. daily at no charge. Shelter rental is $85 for up to four hours. Whitt Cline Community Park, at 7330 Carlisle Street next to Town Hall and the Police Department, has a gazebo that rents for $75 for four hours and hosts the Christmas tree lighting and a cherry blossom festival. The town's home page also lists Rawls Creek Park, a dog park and a skate park.

The Irmo Okra Strut, held the last weekend of September at Moore Park, began in the early 1970s as a Lake Murray-Irmo Woman's Club fundraiser for a town library. The town says it draws an average of 25,000 visitors a year and as many as 60,000 in some years, with proceeds going to local civic and school organizations. On Lake Murray, Dominion's Irmo side is open year round, 24 hours a day, with a boat launch, picnic facilities, fishing docks and restrooms. As of April 1, 2026 parking is paid online after arrival rather than in cash, at $5 for day access or $50 for season access, and the page says only boaters may use the site between 9 p.m. and 5 a.m. SCDNR adds that the river below the dam offers trout and striped bass fishing, paddling and tube floating.

Housing in Irmo

Irmo's housing mostly dates from the subdivision growth that began in the late 1960s and accelerated in the 1970s, according to the town's history page, and the town's zoning map uses districts such as RS for single-family residential, RG for general residential, CN and CG for neighborhood and general commercial and FA for fringe agricultural. The Town adopted a new ten-year comprehensive plan, Vision 2035, on November 19, 2024, and says the plan aims to keep the citizens' desired small-town appeal while addressing development pressures. Buyers who care about what could be built near a property should read the plan and the zoning map for the address.

The town also lists annexation information and a Rental Registration page among its resident services. The town's Am I In The Town page, with its boundary and zoning map, is the place to check whether a prospective home is actually in Irmo. If it is not, county planning and zoning rules apply instead.

Comparisons with Irmo

• Lexington vs Irmo: Two Lake Murray Towns in the Columbia Midlands

Places near Irmo

• LexingtonA fast-growing South Carolina town in Lexington County, in the Midlands, where retirees get Lake Murray access, a large local hospital system and an inland cost structure, with county-level property-tax relief for owner-occupants and homeowners 65 and older.
• ColumbiaSouth Carolina's capital and a university city on the Congaree River, with two large hospital systems, 2026 homestead relief for owners 65 and older and river and national-park recreation close by.

Guides relevant to Irmo

• Healthcare Access Across the Carolinas: Hospitals, Trauma Centers and Medicare
• South Carolina Retirement Taxes: Income, Property, Vehicle and Sales Tax