How old are homes in Media, and what does that mean for a deck?
13% of homes in Media's covered ZIP code were built in 2000 or later and 38% before 1960; the largest group dates to the 1950s.
Homes in Media have a median construction year of 1970, so a deck original to a typical house would now be about 56 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 makes Media's housing 13 years newer than Delaware County as a whole, where the median home was built in 1957. Statewide, the median Pennsylvania home was built in 1965. Among the 120 covered Pennsylvania communities with Census data, Media ranks #53 for oldest housing. In this ZIP code, 38% of homes were built before 1960, 26% between 1960 and 1979, 23% between 1980 and 1999, and 13% since 2000 — the single largest group dates to the 1950s.
| Decade built | Homes | Share |
|---|---|---|
| 2020 or later | 320 | 2% |
| 2010s | 1,154 | 7% |
| 2000s | 475 | 3% |
| 1990s | 1,597 | 10% |
| 1980s | 2,045 | 13% |
| 1970s | 2,144 | 14% |
| 1960s | 1,884 | 12% |
| 1950s | 2,980 | 19% |
| 1940s | 975 | 6% |
| before 1940 | 1,985 | 13% |
What does Media's climate mean for deck construction?
Media averages about 65 days a year at or below freezing, 23.1 inches of snow and 41.7 inches of precipitation, based on NOAA 1991–2020 normals.
The nearest NOAA climate station with 1991–2020 normals is Marcus Hook, about 7 miles away. It records an average of 65 days a year with a low at or below 32°F — a moderate number of freezing nights. On roughly 54 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 Media 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.
Average snowfall near Media is about 23.1 inches a year (Philadelphia Intl. AP). That's enough that shoveling and ice-melt choices affect deck surfaces, and stair treads benefit from good texture and drainage.
Precipitation averages about 41.7 inches a year, falling on about 66 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 27 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.
Which decking material makes the most sense in Media?
For most Media homes, composite or well-maintained wood is the strongest starting point.
Budget, upkeep tolerance and sun exposure on your particular lot still decide the final choice between these options.
| Material | How it handles Media's conditions |
|---|---|
| Pressure-treated pine | Economical; needs regular cleaning and sealing |
| Cedar | Attractive and stable; refinish to keep its color |
| Capped composite | Low maintenance; handles moisture and freeze-thaw well |
| PVC | Lightest and most moisture-proof; premium price |
What kinds of homes are in Media, and how does that shape deck design?
Media has about 15,559 housing units across its covered ZIP code. 53% are single-family detached homes, 16% are attached homes such as townhouses and rowhouses, and about 31% are in buildings with two or more units. Roughly 70% of occupied homes are owner-occupied.
The mix of detached homes and attached or multi-unit housing in Media 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.
What deck projects are most common in Media?
Based on the age of Media's housing, the largest group of projects is likely to be retrofitting or rebuilding decks added to older homes.
- Retrofit decks on older homes: about 7,824 homes (50%) predate 1970. Here the priority is confirming that add-on decks are properly attached — or rebuilding them freestanding — before any cosmetic work.
- Replacement and major repair: about 5,786 homes (37%) 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.
- Upgrades and expansions: about 1,474 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.
When is the best time to plan a deck project in Media?
Media's milder winters — about 65 freezing nights a year — allow construction through most of the year. Spring and fall are still the busiest seasons, so booking early helps.
Do you need a permit to build a deck in Media?
Often, yes — especially for attached or elevated decks — but the rules are set locally. Check with the building department that serves your address: the municipality, or Delaware County for unincorporated areas.
For Media, PA, 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 Pennsylvania is on our state page; local rules change, so the building department remains the authority.
How does Media compare with nearby covered areas?
The closest covered area is Wallingford, about 3.2 miles from the center of Media's covered ZIPs. Its median home was built in 1961, 9 years earlier than in Media. Media has 18 percentage points fewer detached single-family homes (53% vs. 71%), which changes how many projects are backyard decks versus compact townhouse decks. Owner-occupancy is 70% in Media compared with 89% in Wallingford. Media's covered ZIP code span about 25.1 square miles of land with roughly 15,559 homes — about 620 per square mile, a low density that usually allows larger decks and freestanding designs.
| Area | Distance | Median year built | Covered ZIPs |
|---|---|---|---|
| Wallingford | 3.2 mi | 1961 | 1 |
| Swarthmore | 3.9 mi | 1954 | 1 |
| Springfield | 4 mi | 1955 | 1 |
| Newtown Square | 4.3 mi | 1976 | 1 |
| Broomall | 4.6 mi | 1959 | 1 |
| Glen Mills | 4.7 mi | 1995 | 1 |
Deck planning checklist for Media homeowners
- Confirm your ZIP code is 19063, the covered Media ZIP.
- Find out when your current deck was built and whether it uses pre-2004 treated lumber.
- Probe the ledger, post bases and joist tops for soft wood before planning a resurface.
- Call 811 before any digging so utility lines are marked.

