Does a walkout basement get wetter than a full basement?

Not necessarily. A walkout has less buried wall, but the door threshold and patio become weak points. A full basement has more wall in contact with damp soil. Each has its own failure points.

What should I do if a window well fills with water?

Remove water and debris if it is safe, check whether the drain at the bottom is clogged, and keep water from rising over the window. If water came inside, photograph it and dry the wall and carpet below the window promptly.

Are 1990s homes past the polybutylene era?

Mostly, but not entirely. Some homes built in the early-to-mid 1990s may still have it. Read the markings on any plastic supply pipe you can see.

Can I regrade my side yard myself?

Minor soil additions are common, but large changes can affect neighbors' drainage and may need association review. Ask before moving much soil.

Southridge, Highlands Ranch: Late-1990s Homes on Expansive Soils

Bedroom subfloor drying with air movers and dehumidifiers. Example of the work involved; the photo does not show a specific property or a job for this site.

Terrain and timing

Southridge was built later than Northridge and Eastridge, so most homes here postdate the polybutylene years and are more likely to have copper, CPVC or PEX supply lines. The water damage picture shifts from aging pipe toward aging appliances and drainage.

The ground is rolling, and many lots slope enough for walkout or garden-level basements. That is attractive, but it also means the uphill side of the house has soil against a full basement wall while the downhill side is open. Water from irrigation, downspouts and spring snowmelt collects on the uphill side, and the clay soils common in the area swell when they stay wet.

Uphill side versus walkout side

Uphill, buried wall

Soil against the full height of the wall
Window wells collect snow and runoff
Sprinklers and beds close to the foundation keep soil wet
Seepage shows at the base of walls or slab cracks

Downhill, walkout

Patio doors at grade can take on water during storms
Decks above may drip onto the door threshold
Drainage must carry water away from the patio slab
Leaks show at the door frame or carpet just inside

A seasonal drainage walk

After the first big spring snow.Walk the uphill side and see where meltwater pools.
During irrigation.Watch where spray lands, especially near window wells.
After a summer storm.Check downspout extensions and patio slopes at the walkout.
In fall.Clear leaves from window wells and their drains.

Questions for Southridge owners

Is the basement floor a slab or a framed structural floor?
Do the window wells have working drains, and where do they go?
Has the backfill on the uphill side settled into a low trough?
Are any foundation cracks changing from year to year?

Map of Southridge. It shows an area, not an office or a job site.

Common questions

Does a walkout basement get wetter than a full basement?: Not necessarily. A walkout has less buried wall, but the door threshold and patio become weak points. A full basement has more wall in contact with damp soil. Each has its own failure points.
What should I do if a window well fills with water?: Remove water and debris if it is safe, check whether the drain at the bottom is clogged, and keep water from rising over the window. If water came inside, photograph it and dry the wall and carpet below the window promptly.
Are 1990s homes past the polybutylene era?: Mostly, but not entirely. Some homes built in the early-to-mid 1990s may still have it. Read the markings on any plastic supply pipe you can see.
Can I regrade my side yard myself?: Minor soil additions are common, but large changes can affect neighbors' drainage and may need association review. Ask before moving much soil.

General information for Highlands Ranch, not a quote or professional advice. In an emergency, call 911.