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The 10 Best Irrigation Companies in San Francisco (2026)
This list ranks local irrigation and sprinkler contractors in San Francisco using a simple, repeatable method: Google ratings adjusted with a Bayesian weight that favors businesses with more reviews, updated for 2026. We focused on companies serving urban landscapes where tight lots, terraces and varied microclimates shape irrigation needs. Whether you manage a small residential yard, a rooftop planter or a commercial sprinkler system, the firms below scored well on public feedback. Use this guide as a starting point for research; contact providers directly to confirm services, availability and compliance with any local water use guidance.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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Specialized Fire Sprinklers San Francisco
Specialized Fire Sprinklers San Francisco earns the top spot because it holds a perfect 5.0 Google rating and a solid volume of 34 reviews, which together produce the highest weighted score under our method. The ranking method rewards both high average ratings and meaningful review counts, so a flawless score with dozens of reviews stands out. Its Google category as a fire protection service indicates a focus on sprinkler systems tied to safety and regulatory work.
The full ranking
Quality Fire Protection SF
Shows a 5.0 Google rating with 29 reviews and is categorized as a Fire protection service; its Google listing includes an address at 516 O’Farrell St, San Francisco, CA 94102.
29 reviews
Bay Area Sprinkler & Landscape
Has a 4.9 rating from 106 reviews on Google and is listed as a Lawn sprinkler system contractor; the business address appears in Walnut Creek (1250 Newell Ave Ste 320).
106 reviews
McKay Irrigation Systems
Appears with a perfect 5.0 Google rating and 21 reviews, recorded under Lawn sprinkler system contractor.
21 reviews
Ultimate Fire Protection
Maintains a 4.9 Google rating across 31 reviews and is categorized as a Fire protection service; the listing shows 535 Jackson St, San Francisco, CA 94133.
31 reviews
Gerardo Mariona
Listed as a Landscaper with a 5.0 rating from 11 Google reviews.
11 reviews
International Fire Inc.
Rated 4.8 on Google from 103 reviews and classified as a Fire protection service; the Google address is 765 Pennsylvania Ave, San Francisco, CA 94107.
103 reviews
Master Tech Irrigation
Appears as a Lawn sprinkler system contractor with a 4.8 Google rating based on 33 reviews.
33 reviews
Aura Fire Safety
Shows a 4.7 rating from 12 reviews on Google and is listed as a Fire protection service at 1288 Columbus Ave #130, San Francisco, CA 94133.
12 reviews
Peninsula Irrigation Co.
Has a 4.7 Google rating from 22 reviews, listed as a Lawn sprinkler system contractor with an address at 2995 Woodside Rd #400, Woodside, CA 94062.
22 reviews
Frequently asked questions
How should I choose an irrigation company in San Francisco?
Look for contractors with relevant experience for your property type, clear licensing and insurance, and recent customer reviews. Ask for references, examples of similar projects, and written estimates that outline scope and warranty terms before hiring.
What should I check before hiring an irrigation contractor?
Verify the company’s business license and insurance, confirm who will perform the work, and request a detailed written estimate. Also ask about permits, water-efficient options, and maintenance plans to understand long-term costs.
When is the best time to schedule irrigation work or repairs?
Schedule preventive checks in spring before the main watering season and after winter to catch leaks or damage; repairs should be addressed promptly to avoid water waste and landscape stress. For system installations, plan for a time when access is easiest and plant establishment is most favorable.
How was this ranking created and why should I trust it?
The list is based on Google review data aggregated in 2026 and weighted so higher-review counts influence the ranking more heavily. It’s a starting point for research—follow up with direct questions, on-site estimates, and verification of credentials before making a hiring decision.