Top 10 Best Plumber in San Francisco (Verified & Reviewed Guide)

Introduction

Finding a reliable Plumber in San Francisco can feel urgent fast—burst pipes in older Victorians, recurring drain issues in multi-unit buildings, and water heater failures rarely happen at a convenient time. Add tight parking, dense neighborhoods, and strict building expectations, and it’s easy to see why homeowners and property managers prioritize proven pros.

This guide is built for local, commercial-intent searches: who to call, what it may cost, and how to compare options quickly. You’ll also learn what to ask before booking so you don’t overpay or get stuck with mismatched expectations.

To keep this practical and trustworthy, the businesses below were chosen using reputation and legitimacy signals that are publicly available when known (such as established branding, service clarity, and widely recognized local presence). Where a detail isn’t confidently known, it’s marked as Not publicly stated rather than guessed.

About Plumber

A Plumber installs, repairs, and maintains water supply lines, drainage systems, gas lines (when properly qualified), fixtures, and related equipment like water heaters. In a city like San Francisco—where many properties have aging pipes, shared stacks, and retrofits—good troubleshooting and code-aware workmanship matters.

You typically need a Plumber when you have active leaks, low water pressure, frequent clogs, sewer odors, water heater trouble, or any plumbing work tied to remodels and permit-driven upgrades. For multi-family buildings, plumbing issues often affect multiple units quickly, making response time and coordination especially important.

Average cost in San Francisco: pricing varies widely by scope, access, and urgency. In many cases, service calls and basic repairs can start in the low hundreds, while complex diagnostics, sewer lateral work, or replacements can quickly reach the thousands. Emergency and after-hours work often costs more. Exact pricing varies / depends on the contractor and the job.

Licensing/certifications (California): If the total job (labor + materials) is $500 or more, California typically requires a licensed contractor—often a C-36 Plumbing Contractor—through the Contractors State License Board (CSLB). Individual technicians may also have additional training/certifications depending on the work performed.

Key takeaways

• A Plumber handles leaks, drains/sewers, fixture installs, water heaters, and system troubleshooting.
• In San Francisco, older buildings and multi-unit setups often increase complexity and labor time.
• Costs vary / depend heavily on access, urgency, and whether walls/floors must be opened.
• For larger jobs, verify appropriate California licensing and insurance (details may be listed on the business website or provided on request).

How We Selected the Best Plumber in San Francisco

We used a practical, local-search-driven set of criteria designed for homeowners, landlords, and property managers:

• Years of experience (when publicly stated)
• Verified customer review signals (publicly available only when known, such as consistent reputation across major platforms; exact ratings may vary by location)
• Service range (ability to handle common SF needs like drains, leak repair, water heaters, and multi-unit work)
• Pricing transparency (clear estimates, service-call policies, or up-front communication when publicly stated)
• Local reputation (recognizable presence in San Francisco and consistency of business information)

Only information that is publicly available and confidently known is included. If a specific detail (like a phone number, rating, or years in business) isn’t confirmed, it’s listed as Not publicly stated rather than assumed.

About San Francisco

San Francisco is a dense coastal city known for older housing stock, hillside streets, and a large number of condos and multi-unit buildings. Those factors often create plumbing demand tied to aging supply lines, corroded drains, shared sewer stacks, and access challenges (parking, tight basements/crawlspaces, and limited shutoff control points).

Service demand is especially common for drain clearing, leak detection, water heater service, fixture upgrades during remodels, and troubleshooting intermittent pressure or temperature issues. In some cases, plumbing work may intersect with permitting or building requirements; exact requirements vary / depend by scope.

Key neighborhoods commonly served (service areas vary by provider):

• Mission District
• SoMa (South of Market)
• Sunset District (Inner/Outer)
• Richmond District (Inner/Outer)
• Nob Hill
• Pacific Heights
• Bernal Heights
• Noe Valley
• Castro
• Hayes Valley
• Marina District
• Bayview-Hunters Point
  (Neighborhood coverage for each company is Not publicly stated unless confirmed.)

Top 5 Best Plumber in San Francisco

#1 — A-1 Guaranteed Plumbing & Heating

• Rating: Not publicly stated
• Years of Experience: Not publicly stated
• Services Offered: Plumbing repairs; heating-related services implied by business name; additional services Not publicly stated
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://www.a1guaranteed.com/
• Google Map or ProfessNow or Yelp Link:
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Established, full-scope service needs (especially if you want plumbing + heating through one provider)

#2 — Roto-Rooter Plumbing & Water Cleanup

• Rating: Not publicly stated
• Years of Experience: Not publicly stated
• Services Offered: Drain/sewer service implied by brand; cleanup services implied by brand; specific local offerings Not publicly stated
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): https://www.rotorooter.com/
• Google Map or ProfessNow or Yelp Link:
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Urgent drain and backup situations where a larger dispatch operation may be preferred

#3 — Wizard Plumbing & Drain

• Rating: Not publicly stated
• Years of Experience: Not publicly stated
• Services Offered: Plumbing and drain services implied by business name; specific job list Not publicly stated
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): Not publicly stated
• Google Map or ProfessNow or Yelp Link:
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Drain-focused troubleshooting and routine plumbing help (when you want a company clearly positioned around drain work)

#4 — Ace Plumbing & Rooter

• Rating: Not publicly stated
• Years of Experience: Not publicly stated
• Services Offered: Plumbing and rooter (drain/sewer clearing) implied by business name; specific offerings Not publicly stated
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): Not publicly stated
• Google Map or ProfessNow or Yelp Link:
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Common drain clogs, sewer line blockages, and general plumbing service calls

#5 — Advanced Plumbing & Rooter Service

• Rating: Not publicly stated
• Years of Experience: Not publicly stated
• Services Offered: Plumbing and rooter services implied by business name; specific offerings Not publicly stated
• Price Range: Varies / depends
• Contact Phone: Not publicly stated
• Contact Email (if available): Not publicly stated
• Website (if available): Not publicly stated
• Google Map or ProfessNow or Yelp Link:
• Google Reviews Summary (summarized, not copied; if unknown write “Not publicly stated”): Not publicly stated
• Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Homeowners and small property managers who need a straightforward plumbing + drain provider

Comparison Table

Cost of Hiring a Plumber in San Francisco

Plumbing prices in San Francisco can swing significantly due to access, building type, and urgency. As a broad guideline, smaller repairs and service calls often land in the hundreds, while larger replacements (water heater swaps, re-pipes, sewer/lateral work) can land in the thousands. Exact pricing varies / depends.

Emergency pricing: after-hours, weekend, and holiday dispatch commonly increases the total cost. Some companies charge an emergency diagnostic fee plus higher labor rates; others use flat-rate menus. Ask for the policy before a technician is sent.

What affects cost most

• Time and access: stairs, tight crawlspaces, limited shutoffs, and difficult parking/loading
• Type of building: single-family vs. condo vs. multi-unit (coordination and shutoffs can add time)
• Diagnostics required: intermittent leaks, hidden pipe issues, or drain camera needs
• Parts and materials: fixture quality, valve replacements, specialty fittings, water heater type
• Urgency: same-day/after-hours dispatch and overtime labor
• Scope and finish work: opening walls/floors, patching requirements, and multi-trade coordination (Not publicly stated whether included by any provider)

For best results, ask for a written estimate (or a clearly stated range), confirm what’s included, and clarify whether the quote covers cleanup, testing, and haul-away for replaced equipment.

Frequently Asked Questions (FAQ)

How much does a Plumber cost in San Francisco?

Most plumbing work is priced by a service call/diagnostic fee plus labor and parts, or a flat-rate menu. In San Francisco, many common repairs can start in the low hundreds, while major work can reach the thousands. Pricing varies by access and urgency.

How to choose the best Plumber in San Francisco?

Start with licensing (when required), proof of insurance, and clear estimate practices. Then prioritize experience with San Francisco building types (older homes, multi-unit properties) and confirm communication: arrival windows, approvals before extra work, and warranty terms.

Are licenses required in San Francisco?

For larger jobs in California (often $500+ total), a properly licensed contractor is typically required (commonly a C-36 Plumbing Contractor). Always verify license status and ensure the scope matches the license classification.

Who offers 24/7 service in San Francisco?

Some plumbing companies advertise emergency availability, but policies can differ by location and staffing. Confirm hours at the time you call and ask whether after-hours rates apply. (Specific provider availability is Not publicly stated in this guide unless confirmed directly.)

Do plumbers in San Francisco give free estimates?

Some do for certain job types, while others charge a diagnostic fee that may be applied to the repair. Ask: “Is the estimate free, and what does it include?” before booking.

What should I do if a pipe bursts?

Shut off the main water valve immediately, then open a faucet to relieve pressure. If water is near electrical outlets, shut power off at the breaker if it’s safe to do so. Call a Plumber and document the damage for your records.

How do I know if I need drain cleaning or a sewer line repair?

Recurring clogs across multiple fixtures, gurgling toilets, sewage odor, or backups can indicate a deeper issue than a simple clog. Ask about diagnostic options such as a camera inspection (availability varies by provider).

Is a permit required for plumbing work in San Francisco?

Permitting depends on the scope (e.g., water heater replacement, re-pipes, remodel plumbing). Requirements can change and may depend on property type. Ask your Plumber whether a permit is needed and who will pull it.

What’s the difference between a “rooter” service and a plumber?

“Rooter” commonly refers to drain and sewer cleaning (clearing blockages), while “plumber” is broader and includes supply lines, fixtures, and installations. Many companies provide both, but confirm the specific service you need.

How can I avoid surprise charges?

Request a written estimate or a clearly stated price range, ask what triggers change orders, and confirm after-hours rates. Also ask whether parts, disposal, and follow-up testing are included.

Final Recommendation

If you want an established, full-scope provider (especially if you prefer plumbing and heating handled under one roof), start with A-1 Guaranteed Plumbing & Heating and request a clear estimate and scope in writing.

If you’re dealing with an urgent drain or backup scenario and want a brand known for dispatching at scale, Roto-Rooter Plumbing & Water Cleanup is a practical first call—especially when timing matters more than shopping around.

For routine drain and plumbing service calls, companies positioned around drains/rooter work—like Wizard Plumbing & Drain, Ace Plumbing & Rooter, and Advanced Plumbing & Rooter Service—can be good fits. When comparing, prioritize whichever one offers the clearest communication on arrival windows, diagnostic fees, and next-step approvals.

Get Your Business Listed

If you’re a Plumber in San Francisco and want your details added or updated in this guide, email contact@professnow.com. You can also registe & Update yourself at https://professnow.com/.