Deck builders in Leawood, KS

Homes in Leawood have a median construction year of 1988, so a deck original to a typical house would now be about 38 years old — beyond the point where wood framing, fasteners and flashing can be assumed sound.

Many decks from the 1970s and 1980s were built before today's detailed deck provisions appeared in model codes. Common issues on decks of this age include corroded hangers, posts set directly in soil and ledger boards fastened with nails. Replacement is often the better value than repeated repairs.

That is about the same as Johnson County overall (median 1989). Statewide, the median Kansas home was built in 1976. Among the 17 covered Kansas communities with Census data, Leawood ranks #7 for oldest housing. In these ZIP codes, 15% of homes were built before 1960, 18% between 1960 and 1979, 44% between 1980 and 1999, and 23% since 2000 — the single largest group dates to the 1990s.

The nearest NOAA climate station with 1991–2020 normals is Olathe 3e, about 7 miles away. It records an average of 98 days a year with a low at or below 32°F — a moderate number of freezing nights. On roughly 77 of those days the temperature climbs back above freezing, so water in wood, soil and gaps between boards repeatedly freezes and thaws.

Frost is less severe in Leawood than in northern states, but footings still have to meet the local frost-depth requirement, and freeze-thaw cycles are enough to work loose nails and open checks in unsealed wood.

Snowfall is light — about 13.8 inches in an average year at Olathe 3e — so occasional ice is a bigger concern than snow load. Textured boards and good drainage on stairs help on icy mornings.

Precipitation averages about 40.7 inches a year, falling on about 65 days with 0.1 inch or more — wet enough that drainage and flashing still matter, but dry spells also let wood surfaces dry out and check in the sun.

Average summer highs reach about 86°F, and around 34 days a year top 90°F. On a deck with full afternoon sun, dark composite can get uncomfortable on those days, so test samples in the sun before choosing a color.

Budget, upkeep tolerance and sun exposure on your particular lot still decide the final choice between these options.

Leawood has about 16,776 housing units across its covered ZIP codes. 66% are single-family detached homes, 6% are attached homes such as townhouses and rowhouses, and about 29% are in buildings with two or more units. Roughly 73% of occupied homes are owner-occupied.

The mix of detached homes and attached or multi-unit housing in Leawood means deck projects range from large backyard decks to compact rear decks on narrow lots. Lot size, neighbors' sightlines and any association rules shape the right design.

• Replacement and major repair: about 9,223 homes (55%) were built between 1970 and 1999, the age group whose original or early add-on decks are most likely to have worn-out framing, connectors and boards.
• Retrofit decks on older homes: about 3,745 homes (22%) predate 1970. Here the priority is confirming that add-on decks are properly attached — or rebuilding them freestanding — before any cosmetic work.
• Upgrades and expansions: about 1,475 homes (9%) were built since 2010. Their decks are usually sound but small or builder-grade, so enlarging the deck, adding stairs and switching to composite or upgraded railings are common.

Leawood has a defined building season. Spring and early fall offer the most comfortable working weather; winter is a good time to settle the design and apply for permits. Stains and sealers generally need dry weather and moderate temperatures, so plan wood finishing for late spring or early fall.

For Leawood, KS, ask the permit office whether your deck needs a permit based on its size, height and attachment to the house, which drawings and inspections are required. Statewide code background for Kansas is on our state page; local rules change, so the building department remains the authority.

The closest covered area is Overland Park, about 3 miles from the center of Leawood's covered ZIPs. Its median home was built in 1989, 1 years later than in Leawood. Leawood has 9 percentage points more detached single-family homes (66% vs. 57%), which changes how many projects are backyard decks versus compact townhouse decks. Owner-occupancy is 73% in Leawood compared with 61% in Overland Park. Leawood's covered ZIP codes span about 14.8 square miles of land with roughly 16,776 homes — about 1,134 per square mile, a typical suburban density where most homes have usable backyards.