The Best Plumbing Contractors in Cotati, CA

Compare the highest-rated plumbing professionals in Cotati, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Hawk Plumbing, Inc.

4.9
(200 reviews)
Verified

A highly reputable, family-owned and operated plumbing contractor known for exceptional customer service and technical expertise. They emphasize clear communication, upfront pricing, and solutions for both residential and commercial clients. They have a strong focus on emergency services and complex sewer line projects.

1455 Oliver Rd, Petaluma, CA 94952 (Serves Cotati and all of Sonoma County)

Specialties & Features

Emergency plumbing repairs
Drain cleaning and sewer services
Water heater installation and repair

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Absolute Plumbing & Drain

4.8
(150 reviews)
Verified

Absolute Plumbing has built a strong local reputation for reliability and professionalism. They are known for their responsive 24/7 emergency service and expertise in modern techniques like trenchless pipe repair. Their team is highly trained in both routine maintenance and major installation projects.

365 Tesconi Cir, Santa Rosa, CA 95401 (Serves the entire North Bay, including Cotati)

Specialties & Features

Pipe installation and replacement
Leak detection and repair
Bathroom and kitchen plumbing

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Allens Plumbing

4.7
(80 reviews)
Verified

A well-established local contractor with deep roots in the community. Allens Plumbing is praised for its honest diagnostics, quality workmanship, and personable service. They handle a wide range of plumbing needs, from small faucet repairs to full re-pipes and water heater systems.

1300 Coddingtown Center, Santa Rosa, CA 95401 (Actively serves the Cotati and Rohnert Park area)

Specialties & Features

Residential and commercial plumbing services
Water heater installation and repair
Drain cleaning

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Cotati

** The plumbing market serving Cotati, CA, is characterized by high-quality, established regional contractors rather than a high density of hyper-local shops within the city's small boundaries. The competition is strong among these Sonoma County providers, driven by reputation and service quality rather than price alone. Consumers benefit from a market where experienced, licensed, and insured companies are the norm. Typical pricing reflects the high cost of living and operating in the North Bay Area. A standard service call typically ranges from $100-$200, with emergency rates being higher. Major projects like water heater replacements often start around $1,500-$2,500, and full re-pipes or sewer line replacements can run into the thousands, depending on the scope. The overall quality of available plumbing services in the area is excellent, with multiple providers boasting decades of experience and near-perfect customer ratings.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Cotati regulations and climate

Frequently Asked Questions About Plumbing in Cotati

Get answers to common questions about plumbing services in Cotati, California.

1How much should I expect to pay for common plumbing repairs in Cotati, like fixing a leaky faucet or a running toilet?

In the Cotati and greater Sonoma County area, you can expect to pay a service call fee of $100-$150, plus hourly labor ($90-$150/hr) and parts. A simple faucet repair or toilet fix typically ranges from $150 to $300 total. Regional costs are higher due to California's licensing requirements, insurance, and local business overhead, so always get a detailed, upfront estimate before work begins.

2Are there specific local regulations in Cotati I should know about for plumbing upgrades, like water heater replacements?

Yes. Cotati follows the strict California Plumbing Code and often has additional local ordinances. A major regulation is that all new water heater installations must be seismically strapped to resist earthquake movement. Furthermore, due to state-wide water efficiency standards, you may be required to install low-flow fixtures during any significant remodel. Always hire a licensed plumber who will pull the necessary Cotati city permits.

3What seasonal plumbing issues are most common for Cotati homeowners?

Late summer and fall are peak times for drain cleaning and sewer line concerns, as Cotati's older root systems seek water in dry soil and infiltrate pipes. Conversely, during our mild but occasionally frosty winters, a key concern is protecting outdoor pipes and hose bibs from freezing. It's also wise to check your water pressure regulator annually, as our hard water can cause them to fail over time.

4How do I choose a reliable plumber in Cotati, and what credentials should I verify?

Always choose a plumber licensed by the California Contractors State License Board (CSLB). You can verify their active "C-36" plumbing license online. For reliability, seek out plumbers with strong local references in Cotati or nearby Rohnert Park, as they understand our specific infrastructure and can respond quickly. Ensure they provide detailed, written estimates and carry both liability insurance and workers' compensation.

5My home is older. What are the most common plumbing concerns for Cotati's historic properties?

Many older Cotati homes have original galvanized steel pipes, which corrode from the inside out, leading to severely restricted water flow and eventual failure. Sewer lines made of clay tile or Orangeburg pipe are also prone to root intrusion and collapse. A local plumber experienced with historic homes can perform a camera inspection to assess the condition of your underground lines and recommend appropriate repairs or replacements, like trenchless pipe lining.