DDR Excavation.

The company's own list of services runs long and stays close to the ground. It includes land clearing, tree and brush removal, resloping, compacting and leveling, excavation dig-outs, demolition, dirt and rock removal, conduit runs for power, wells, and gravity-fed septic systems. DDR says it handles septic work from site evaluation and design through permits and installation. It also cuts and resurfaces roads, adds onto existing driveways and delivers gravel, soil, sand, mulch and rock. The state lists David Berto and Derek Bren as principals since 2024, the year the business was formed. DDR describes itself as family-owned and locally operated. DDR Excavation is a small crew, and the owners work the equipment themselves. Much of its work comes as a subcontractor to general contractors. It fits site prep for a new custom home or an addition, a long gravel drive on acreage north of town, a septic system on a rural lot, or a drainage fix where water collects against a foundation. The focus is earthwork, site development and concrete foundations. Electrical and plumbing rough-ins inside the house belong to other trades, and large public works projects aren't what this crew is set up for. Spokane's seasons decide a lot about dirt work. Frozen ground in winter makes digging slow and compaction unreliable, so footings, trenching and septic installs go best from spring through fall. Early spring thaw can leave sites soft and muddy, which is worth planning around before heavy equipment rolls onto a lawn or a new lot. Dry summers are good for grading and gravel, but loose fill should be compacted well before the first freeze-thaw cycles start heaving it. Driveways and culverts get tested by snowmelt, so ask any excavator how water will leave the site before the work begins.