Sentry provides excellent professional service. They provide regular lawn care to our HOA property in Denver. They also updated our whole property with new landscaping, providing all new grass (sod and native), as well as landscaping rocks around bushes, and ensuring our sprinkler system is running properly. We appreciate their personal and prompt service. We definitely recommend.
Irrigation Services
Spring Activation & Fall Winterization
Sentry Property Service handles spring activation and fall winterization for irrigation systems across Centennial, CO and the surrounding area.
Expert Spring Activation & Fall Winterization in Centennial, CO
Spring activation and fall winterization are the two most important service calls your irrigation system needs each year. In Centennial, CO, sitting at nearly 5,900 feet elevation, temperatures can drop below freezing well before winter officially arrives. That means water left in underground lines, valves, and backflow preventers is at real risk of freezing, expanding, and cracking. Sentry Property Service handles both ends of the season. In spring, we bring your system back online zone by zone, check for winter damage, test the backflow, and confirm controller settings are dialed in for the growing season. In fall, we shut down the water supply and use compressed air to clear every line before the first hard freeze hits. Homes across Centennial, Highlands Ranch, Greenwood Village, and the broader Denver metro trust this process to protect their system year after year. Skipping either service is one of the more costly mistakes a homeowner can make. Call us to get on the schedule before spots fill.
What's included
- Pipes, valves, and backflow preventers stay protected from Colorado's early and unpredictable freeze cycles
- Spring zone-by-zone inspection catches winter damage before it wastes water all season
- Controller settings get confirmed each spring so every zone runs at the right output for Centennial's clay-heavy soils
- Compressed-air blowout clears water pockets that gravity draining alone leaves behind
- Catching damage at activation avoids larger repair costs that compound through the watering season
- Consistent seasonal service extends the working life of your irrigation system
Commercial landscape management partner — not a residential landscaper
Specialist in HOA communities, multifamily developments, and office parks
Proactive communication and real-time client portal with service documentation
Professional systems and processes built for property manager accountability
Year-round service: irrigation, landscape maintenance, and snow & ice management
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FAQ
Spring Activation & Fall Winterization FAQ
Common questions from property managers and HOA communities about spring activation & fall winterization across managed properties in Centennial, CO.
Spring activation covers pressurizing the system, inspecting each zone for winter damage, adjusting head coverage, testing controller programming, and documenting system performance. We communicate any issues identified during activation to property managers before the season begins.
Fall winterization covers blowing out all irrigation lines with compressed air, shutting down the system, and documenting the process. Proper winterization prevents freeze damage to lines, heads, and valves — protecting your irrigation investment through Colorado's winters.
Spring activation should be scheduled after the last hard freeze — typically late April to early May in the Denver Metro. Fall winterization should be completed before the first hard freeze, typically in October. We monitor conditions and communicate scheduling proactively.
Both services are documented through our client portal with system performance notes, any issues identified, and recommended follow-up actions. Property managers have a clear record of seasonal service without having to request a report.
Yes. Most property managers include spring activation and fall winterization in their annual maintenance scope. Bundling these services ensures they are scheduled at the right time each season without requiring a separate service request.
Any issues identified during spring activation — broken heads, leaking valves, zone failures, or controller problems — are documented and communicated to the property manager with a recommended repair scope. We can address repairs immediately or schedule them based on your priorities.
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Phone
(303) 715-1644Hours
- Monday 7:00 AM - 4:00 PM
- Tuesday 7:00 AM - 4:00 PM
- Wednesday 7:00 AM - 4:00 PM
- Thursday 7:00 AM - 4:00 PM
- Friday 7:00 AM - 4:00 PM
- Saturday Closed
- Sunday Closed