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5 Best Irrigation System Services in Denver (2026)

Ranked by real Google ratings and review volume · How we chose

Brad Smith
By Brad Smith, Home Services Expert · ✓ Updated · 8 min read

We compared 20 irrigation system services in Denver on Google Maps · 5 listed · How we rank

Sprinkler season in Denver starts with a spring turn-on and ends with a fall blowout, and the irrigation system services in Denver below have logged more than 5,200 Google reviews between them. Ratings run from 4.8 to a perfect 5.0, so the choice comes down to whether you need a quick head adjustment, a valve replacement or a full new system.

Short answer: NationScapes of Lakewood has the most reviews on this page, 4.9 stars from more than 3,300. Mile-Hi Sprinkler in Denver holds a 4.8 on more than 1,100 reviews, and Just Right Sprinklers, a service-area business, holds a 5.0 on more than 140. Reviewers mention repairs, start-ups, valve and control box replacements, and a few full installs.
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Sprinkler Companies Compared

# Business Rating Reviews Best for
1 NationScapes 4.9 ★ 3,343 Repairs and tune-ups View ›
2 Mile-Hi Sprinkler 4.8 ★ 1,159 Installs and seasonal service View ›
3 LIDC irrigation and landscape 4.8 ★ 407 Activation and parts View ›
4 Green Mountain Turf 4.8 ★ 198 Backflow and winterization View ›
5 Just Right Sprinklers 5.0 ★ 147 Leak and valve repairs View ›
5 Best Irrigation System Services in Denver (2026)

Irrigation shortlist, reviewed

NationScapes logo
#1 Overall🕑 Open 5 days/wk

NationScapes

4.93,343 Google reviews

NationScapes is a Lakewood sprinkler contractor that also runs lawn care programs. Its site lists sprinkler repair, new sprinkler installation, irrigation maintenance and startup, lawn care and plant health care for trees and shrubs, and says it has served the Denver metro since 1998. Reviewers describe repairs, control box fixes and head adjustments.

What people praise

  • One reviewer had a 38-year-old manifold and six valves replaced, plus new risers, in a single afternoon
  • Technicians explain the problem, and one reviewer said it felt like being helped by a friend rather than sold something
  • Customers mention being given tips to maintain the system themselves
  • Prompt, professional visits for control box and spray-volume adjustments

Worth knowing

  • Listed hours are weekdays only
Reputation scorecardrank in Denver
Rating4.9 / 5
Review volume3,343 · 98th
Confidencevery high
Recency3 months ago
Info completenesssite · phone · hours
Rating breakdown95% 5-star
✓ VerifiedSource: Google

Our take: The review base is by far the largest here, and the comments are about practical repair and maintenance work. A natural first call for a sprinkler that is misbehaving.

Website+1303-934-9130 Directions

12600 W Cedar Dr, Lakewood, CO 80228

Mile-Hi Sprinkler logo
#2🕑 Open 6 days/wk

Mile-Hi Sprinkler

4.81,159 Google reviews

Mile-Hi Sprinkler works from West 62nd Avenue in Denver and installs and repairs lawn irrigation for homes and offices. Its site lists spring turn-on, fall winterization, repair and installation with landscaping, says it has been in the business for over 35 years, and offers senior and military discounts. It also services systems it did not install.

What people praise

  • A reviewer who had a large-yard system installed described a thorough estimate, a two-day install and a tutorial on how it works
  • One customer said the system installed 12 years earlier has run without problems
  • Spring turn-on and quick adjustment visits are described as pleasant and efficient
  • Reviewers call the office team responsive

Worth knowing

  • Saturday hours end at noon and there are no Sunday hours
Reputation scorecardrank in Denver
Rating4.8 / 5
Review volume1,159 · 93rd
Confidencevery high
Recency8 weeks ago
Info completenesssite · phone · hours
Rating breakdown93% 5-star
✓ VerifiedSource: Google

Our take: A good pick if you want a new system or a long-term relationship with one sprinkler company. One reviewer also had a backyard turned into a low-water garden with the company.

Website+1303-450-2320 Directions

2880 W 62nd Ave, Denver, CO 80221

LIDC irrigation and landscape logo
#3🕑 Open 6 days/wk↩ Responds to reviews

LIDC irrigation and landscape

4.8407 Google reviews

LIDC irrigation and landscape is a Littleton irrigation contractor that also sells parts and supplies. Its site lists irrigation, landscape maintenance, farm and ranch work, home builders and retail, and says it has operated since 1976. Reviewers describe system activations, repairs and help with parts.

What people praise

  • A first-time homeowner praised a technician who answered detailed questions and found a wire cut during a fiber install
  • One customer replacing a cracked valve himself got the parts and clear instructions from the staff
  • One technician texted before arriving and double-checked the work before leaving
  • Techs shared details of this year's irrigation restrictions

Worth knowing

  • One reviewer found a follow-up visit expensive for the scope of the fix
  • Part of the business serves home builders and ranches, so residential work is one of several lines
Reputation scorecardrank in Denver
Rating4.8 / 5
Review volume407 · 88th
Confidencehigh
Recency3 months ago
Info completenesssite · phone · hours
Rating breakdown94% 5-star
✓ VerifiedSource: Google

Our take: Strong for start-ups, parts and straightforward fixes. For a bigger repair, get a written estimate first.

Website Book now+1303-979-3400 Directions

10001 W Bowles Ave, Littleton, CO 80127

GR
#4🕑 Open 7 days

Green Mountain Turf

4.8198 Google reviews

Green Mountain Turf is a Lakewood sprinkler repair company whose site lists repair, irrigation maintenance, winterization, spring startups and smart watering systems, and says the business dates to 1977. Reviewers describe backflow valve replacement, control box installs and seasonal service.

What people praise

  • Reviewers describe a backflow valve replacement and a full tune-up with new heads and a control box
  • The owner generally answers the phone or returns calls promptly, according to a reviewer
  • One customer got a phone-guided spring start-up in about 30 minutes
  • A crew offered to set run times to meet Denver Water requirements
Reputation scorecardrank in Denver
Rating4.8 / 5
Review volume198 · 83rd
Confidencemoderate
Recency3 months ago
Info completenesssite · phone · hours
Rating breakdown95% 5-star
✓ VerifiedSource: Google

Our take: A repair-first company that reviewers describe as responsive and careful in the home. Good for backflow work and seasonal service.

Website+1303-988-6553 Directions

7309 W Hampden Ave #1704, Lakewood, CO 80227

Just Right Sprinklers logo
#5🕑 Open 7 days↩ Responds to reviews

Just Right Sprinklers

5.0147 Google reviews

Just Right Sprinklers is a sprinkler repair business that lists no street address, so it works as a service-area company reached by phone. Reviewers describe leak repairs, wiring, box and valve work and one large stop-and-waste valve replacement.

What people praise

  • One reviewer said a crew of five arrived in two vans, stayed late on a 12-hour valve job and returned the next morning to restore the yard
  • Another had a leak fixed after a two-hour notice
  • The owner, George, is named by several reviewers for clear communication
  • Reviewers call the pricing fair, even when a job took longer than expected

Worth knowing

  • No storefront address, so you work by phone and appointment
Reputation scorecardrank in Denver
Rating5 / 5
Review volume147 · 78th
Confidencemoderate
Recency8 weeks ago
Info completenesssite · phone · hours
Rating breakdown99% 5-star
✓ VerifiedSource: Google

Our take: The 5.0 rating comes from a smaller review base than the bigger names here, but the comments focus on honest communication and repair work done properly.

Website+1720-988-8707 Directions
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How the scorecards work

Every number on this page comes from public Google data on the date shown, not from opinion or payment. Rating is the business’s live Google star average. Review volume is how many customers have rated it, set against other Denver irrigation companies. Confidence weighs the rating by that volume, so a 4.9 from thousands of people carries more weight than a 5.0 from a hundred or so. Recency reflects how recently customers are still leaving reviews. No business can pay to change these numbers.

What shapes sprinkler repair and install pricing in Denver

Prices vary too much by job to print a table here. A simple head adjustment and a manifold replacement sit at opposite ends of the scale. Yard size, the age of the system, how many zones need work and whether the job is a start-up, repair or full install all move the quote, as does an after-hours or same-day call. Ask for a written estimate and what the service call covers.

Where these sprinkler companies are based

NationScapes and Green Mountain Turf are based in Lakewood, Mile-Hi Sprinkler is in Denver and LIDC is in Littleton. Just Right Sprinklers lists no street address. NationScapes’ site names Denver, Lakewood, Aurora, Arvada and Littleton among the areas it serves. Searching for sprinkler repair near me in Denver? Each listing shows a live phone number and directions.

What to ask before you book sprinkler work

  • Do you handle spring start-up and fall blowout, and are both bookable now?
  • Is the quote itemized by zone, valve and head?
  • Will you work on a system you didn’t install?
  • Can you set the run times to meet current Denver Water rules?
  • What happens if a follow-up visit is needed after the first repair?

Frequently asked questions

Which of these Denver sprinkler companies handle spring start-up and winterization?

Mile-Hi Sprinkler’s site lists spring turn-on and fall winterization, and Green Mountain Turf’s site lists winterization and spring startups. NationScapes’ site lists irrigation maintenance or startup, and a LIDC reviewer had their system activated and planned to return to winterize.

Is there a company here that will talk me through turning on the system myself?

A Green Mountain Turf reviewer said the owner walked them through a spring start-up by phone in about 30 minutes. A LIDC reviewer got the parts and instructions to replace a cracked valve on his own.

Do any of these sprinkler contractors also do garden or yard work?

Mile-Hi Sprinkler’s site lists installation with landscaping, and a reviewer had a backyard turned into a low-water garden. LIDC’s site lists landscape maintenance and NationScapes lists lawn care and plant health care.

Does Just Right Sprinklers have a shop I can visit?

Its Google listing shows a phone number but no street address, so it works as a service-area business. Call to book a visit.

Who to call first

NationScapes is the safe default on sheer volume of repair and maintenance reviews, Mile-Hi Sprinkler fits a new install and Green Mountain Turf suits backflow and winterization. Whichever you choose, ask for the estimate in writing before work begins.

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