Spring start-ups, mid-season optimization, and winterization — we keep your system running perfectly so you never have to think about it.
Skipping Maintenance Costs More Than You Think
Freeze Damage
Skipping winterization can crack PVC pipes ($200–$500), split valves ($150–$350), and damage backflow preventers ($300–$800).
Wasted Water
Without a spring tune-up, misaligned heads and stuck valves waste water all season without you knowing.
Expensive Repairs
Small issues caught during maintenance cost a fraction of emergency repairs discovered mid-season.
Year-Round Care in 3 Seasonal Visits
Spring Start-Up (March–April)
System activation, head-by-head inspection, controller reprogramming, rain sensor testing, and leak check.
Mid-Season Audit (June–July)
Coverage efficiency test, water pressure optimization, head alignment, nozzle cleaning, and health report.
Winterization (October–November)
Complete blow-out with industrial compressor, backflow preventer drain, controller shutdown, and valve verification.
What Each Seasonal Service Includes
- System activation and gradual re-pressurization
- Head-by-head inspection and adjustment
- Controller reprogramming for the season
- Rain/freeze sensor testing
- Complete leak check on all zones
- Coverage efficiency testing
- Water pressure optimization
- Nozzle cleaning and alignment
- Complete system blow-out with industrial compressor
- Backflow preventer drain and protection
- Spring priority scheduling lock-in
Spring Start-Up
March–April
- System activation
- Head-by-head inspection
- Controller reprogramming
- Rain sensor testing
- Leak check
Mid-Season Audit
June–July
- Coverage efficiency test
- Water pressure optimization
- Head alignment/nozzle cleaning
- Controller adjustment
- Health report
Winterization
October–November
- Complete blow-out
- Backflow preventer drain
- Controller shutdown
- Valve drain verification
- Spring priority scheduling
Annual Maintenance Plans
Essential
Starts at $175/yr
- Spring Start-Up
- Fall Winterization
- Controller Programming
10+ zones: $8/zone above 9 zones + $175 base. Lake pump add-on: $125. RPZ/backflow connection & removal: $110.
Professional
Starts at $260/yr
- Everything in Essential
- 1 Mid-Season Inspection & Tune Up
- Priority Scheduling
- 10% Off Repairs
10+ zones: $8/zone above 9 zones + $260 base. Lake pump add-on: $125. RPZ/backflow connection & removal: $110.
Premium
Starts at $725/yr
- Everything in Professional
- 4 Monthly Monitoring Visits and Tune Ups
- 15% Off Repairs
- Waived Emergency Service Fees
- Free Consultations
- No Service Call Fees
10+ zones: $8/zone above 9 zones + $725 base. Lake pump add-on: $125. RPZ/backflow connection & removal: $110.
Winterization Only
Starts at $85/yr
- Zone by Zone Winterization
- Backflow Winterization and Drain
- Controller Seasonal Shutdown
- Priority Scheduling
10+ zones: $8/zone above 9 zones + $85 base. Lake pump add-on: $125. RPZ/backflow removal: $55.
Prices shown are for systems with 1–9 irrigation zones. Systems with 10+ zones have an additional surcharge of $8 per zone above 9. RPZ/backflow connection & removal is a $110 surcharge ($55 for winterization-only). Call (952) 529-3750 for custom pricing.
Seasonal Maintenance FAQs
System activation, gradual re-pressurization, head-by-head inspection, controller reprogramming, rain sensor testing, and a leak check on all zones.
Complete system blow-out with industrial air compressor, backflow preventer drain and protection, controller shutdown, valve drain verification, and spring priority scheduling lock-in.
We begin booking in September for October–November service. The ideal window is mid-October through early November. Book early for priority scheduling.
Essential (spring + winter): starting at $250/year. Complete (adds mid-season audit): starting at $400/year. Premium (adds priority repairs + consultation): starting at $600/year.
Yes. All plan members receive priority scheduling year-round and discount from picking these services individually. In addition, complete package members & up receive an additional 10% off any repair services and more.
Yes. Standalone winterization starts at $85 for standard residential systems. Maintenance plan members are scheduled first.
Seasonal Maintenance Across the Twin Cities
Don't see your city? Call us — we probably serve your area.
Don't Wait Until Something Breaks
Join 1,200+ Minnesota homeowners who protect their irrigation investment with year-round maintenance. Plans starting at $175/year.
What Maintenance Customers Say
"Very good service and Good communication. Would definitely recommend."
"We've been supported by Grin's going on 10 years! Always great service. Highly recommend."
"Always on-time, very efficient and helpful. Very good people to work with. Thanks much."