A landscaping technician inspecting and adjusting a sprinkler head in a residential lawn in Centennial, Colorado, with a green turf yard and suburban home visible in the background. The system is mid-cycle with active spray coverage across the zone.

Landscaper

Irrigation System Maintenance

Sentry Property Service provides irrigation system maintenance for homeowners across Centennial, CO and surrounding communities.

Call (303) 715-1644

Expert Irrigation System Maintenance in Centennial, CO, USA

Irrigation system maintenance keeps your sprinkler system running efficiently through every season in Centennial, CO. At nearly 5,900 feet elevation, Centennial's semi-arid climate means lawns depend almost entirely on irrigation to stay healthy from late spring through early fall. The area's clay-based soil compounds the challenge: it drains slowly, compacts over time, and allows mineral scale to build up inside heads and nozzles, causing uneven spray patterns and wasted water. Many homes in Centennial's established neighborhoods were built before 1995 and still run original irrigation components that are past their reliable service life. Sentry Property Service inspects each zone, checks heads and valves, adjusts controller schedules for seasonal conditions, and identifies problems before they become costly repairs. We also prepare systems for Colorado's freeze-thaw cycles, including proper winterization to protect lines from ice damage. Whether your property is in Centennial, Greenwood Village, Highlands Ranch, or any of the surrounding communities we serve, a well-maintained irrigation system protects your landscape investment and keeps water use in check.

What's included

Catch failing heads, cracked lines, and stuck valves before they waste water or kill turf
Controller schedules adjusted to match Centennial's seasonal temperature and precipitation shifts
Proper winterization protects buried lines from freeze damage during Colorado's cold months
Mineral scale and clog buildup cleared from nozzles to restore even, consistent spray coverage
Zone-by-zone inspection catches coverage gaps that cause dry patches to reappear each summer
A well-maintained system uses water more precisely, which matters under Denver Water's outdoor watering restrictions

Commercial landscape management partner — not a residential landscaper

Specialist in HOA communities, multifamily developments, and office parks

Client portal with invoices, payments, completed visits, service notes, and scheduled work — plus email notifications when work is completed

Professional systems and processes built for property manager accountability

Year-round service: irrigation, landscape maintenance, and snow & ice management

Service Areas

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FAQ

Irrigation System Maintenance FAQ

Common questions from property managers and HOA communities about irrigation system maintenance across managed properties in Centennial, CO, USA.

How do I know if my irrigation system in Centennial needs maintenance?

Dry patches that return in the same spots each summer, water pooling near heads, or heads that fail to rotate are clear signs your system needs attention. Centennial homes built before 1995 often have original components that are past their reliable service life.

Does Sentry Property Service handle irrigation maintenance in Highlands Ranch and Greenwood Village too?

Yes, we serve homeowners across Highlands Ranch, Greenwood Village, Littleton, Aurora, and several other communities in addition to Centennial. Contact us to schedule service for your area.

Why does my Centennial sprinkler system have uneven spray patterns?

Centennial's clay soil and alkaline water cause mineral scale to build up inside nozzles and heads, which leads to clogs and uneven coverage. Cleaning or replacing affected heads restores consistent spray across each zone.

Do I need to winterize my irrigation system in Centennial every year?

Yes, winterization is needed every year in Centennial because Colorado's freeze-thaw cycles can crack buried lines and damage valves if water is left in the system. Clearing lines before the first hard freeze prevents costly repairs in spring.

Can a poorly maintained irrigation system cause problems under Centennial's water restrictions?

Yes, leaking heads, stuck valves, and misconfigured controllers can cause overwatering on your assigned watering days, which wastes water and can trigger issues under Denver Water's outdoor watering restrictions. A properly maintained system applies water where it is needed and no more.

What does an irrigation maintenance visit from Sentry Property Service include?

We inspect each zone, check heads and valves for damage or wear, clear clogged nozzles, and adjust the controller schedule to match current seasonal conditions in Centennial. Any issues found are identified so you know exactly what your system needs.

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Client Reviews

What Denver Metro property managers say.

4.5

22 Google reviews

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Great company to work with! Highly recommend!!

Sentry Landscaping We have used them for the past six years and they are wonderful. We are in property management and they do a lot of our properties. They do a really good job on limited budgets. They truly are amazing guys they go above and beyond. They’re always trying to find ways to help us through the summer drought, trying to make sure we don’t lose shrubs and trees. I really would highly recommend them if you are looking for an honest and hard-working landscaping company.

Sentry did a great job on a couple job sites for me and assisted me in getting a great quote Highly recommend Sentry

The team at Sentry are great!

Great communication, great services GREAT WORK!

Great small business, they are polite and always get the job done. They do what they say and are affordable. You won’t be disappointed , give them a try for all your landscape needs.

Great company to work with.

Troy and the team at Sentry Property Services are simply outstanding! Their communication is next level. They keep you informed every step of the way, respond quickly, and always follow through on what they promise. The quality of their work is top notch, and it's clear they take pride in every project they touch. In the landscaping world, finding a contractor this reliable is rarer than finding a weed-free flower bed in July. Troy and his team consistently exceed expectations, and their attention to detail is second to none. If you're looking for a company that delivers great results and even better customer service, Sentry Property Services is the clear choice.

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.

Logan and Sentry Property Group have exceptional customer service and perform high quality work. They handle the property management duties within our HOA and have been wonderful to work with since day 1.

Find Us

Proudly Based in Englewood, CO

Stop by, call, or book online — we're always nearby when you need us.

Phone

(303) 715-1644

Hours

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