Diamond Certified Company Spotlight Series: San Francisco (Part 1)

We’ve all felt the joy of choosing a good company in <a href=https://www.diamondcertified.org/counties/san-francisco-county/ca/ target=_self>San Francisco</a> and, unfortunately, the pain when we mistakenly choose a bad one. The problem is, every company claims to be good, yet despite these glowing claims some provide inconsistent quality while others are downright dishonest. We’ve solved this problem for you with Diamond Certified Resource. Only San Francisco companies independently rated Highest in Quality and Helpful Expertise earn Diamond Certified. Our rigorous <a href=https://www.diamondcertified.org/ratings-process/ target=_self>rating and certification process</a> starts with the in-depth pass/fail rating of each company’s customer satisfaction, license and insurances. Most companies can’t pass our rating and earn Diamond Certified, and every Diamond Certified company must continue to deliver on its promises to you, the consumer. That’s why we conduct ongoing customer satisfaction research and credential-based ratings and monitor each company’s performance. Here’s a partial list of all the Diamond Certified companies that serve San Francisco. Stay tuned next week for Part 2! <a href=https://www.diamondcertified.org/report/ace-plumbing-and-rooter/ target=_self>Ace Plumbing and Rooter</a> Ace Plumbing and Rooter provides routine and emergency plumbing services for residential and commercial clients throughout San Francisco and the surrounding cities, specializing in sewers, drains and water heaters while also handling toilets, faucets, garbage disposals, sump pumps, sewer ejection systems, backflow testing, video inspections and more. Led by owner Jonathan Millington, the company draws on its extensive experience working with San Francisco’s older buildings to diagnose and resolve a wide range of plumbing problems. Ace Plumbing and Rooter also emphasizes high standards of customer service, ongoing technician education, modern equipment and technology, and environmentally-friendly plumbing solutions. <a href=https://www.diamondcertified.org/report/advanced-plumbing-and-drain/ target=_self>Advanced Plumbing and Drain</a> Advanced Plumbing and Drain provides residential and commercial plumbing services in San Francisco and San Mateo County, including plumbing installation, repair and maintenance; sewer line work; traditional and tankless water heaters; hydro jetting; and more. Led by owner Nicholas Bobos, the company emphasizes expert service, fair pricing and professionalism, with technicians who arrive on time, resolve problems efficiently and clean up after themselves. Advanced Plumbing and Drain also uses a team-oriented quality-control process in which senior technicians and ownership step in when needed, helping ensure each plumbing issue is properly diagnosed and resolved. <a href=https://www.diamondcertified.org/report/altai-mechanical/ target=_self>Altai Mechanical</a> Altai Mechanical provides a wide range of HVAC services for residential and commercial clients in San Francisco, San Mateo, Santa Clara, and Alameda Counties, with in-house capabilities covering furnaces, air conditioners, water heaters, and refrigerators. Owner Samir Lutvaliyev built the company around efficient, honest, and affordable HVAC solutions, prioritizing customer needs while drawing on his own hands-on training to help clients get the best performance from their heating, cooling, and ventilation systems. The company works fast without rushing, taking the time to keep customers comfortable and informed throughout each project. <a href=https://www.diamondcertified.org/report/american-home-renewal-inc/ target=_self>American Home Renewal, Inc.</a> American Home Renewal, Inc. installs replacement windows, exterior siding, and doors throughout Northern California, drawing from top manufacturers to match each property’s specific needs and style. Owners Marc Stelzer and Chris Spilly built the company around a commitment to energy-efficient materials and exceptional customer service. The team consists of construction industry veterans who understand both technical performance and client relationships. <a href=https://www.diamondcertified.org/report/ams-construction/ target=_self>AMS Construction</a> AMS Construction remodels kitchens, bathrooms and whole houses; builds room additions and accessory dwelling units; and provides general construction services for residential clients in San Francisco. As a full-service general contractor, the company acts as a single point of contact for design and construction, covering architectural support, preconstruction, remodels, renovations, and new developments for both residential and commercial clients. Customers note smooth communication from design through permitting and scheduling, with projects often finishing ahead of the anticipated timeline. <a href=https://www.diamondcertified.org/report/armstrong-carpet-linoleum-co/ target=_self>Armstrong Carpet & Linoleum Co.</a> Armstrong Carpet & Linoleum Co. provides a wide range of flooring products and installation services, including carpet, area rugs, vinyl, laminate, linoleum, hardwood, bamboo, cork and rubber flooring, as well as custom window treatments. The family-owned and operated company combines competitive pricing with personalized guidance, giving customers access to thousands of products from leading manufacturers and helping them select options that fit their functional and aesthetic needs. Led by President Liam Caldwell, Armstrong Carpet & Linoleum Co. emphasizes quality craftsmanship, attentive customer service and doing every job “the right way.” <a href=https://www.diamondcertified.org/report/artisans-landscape/ target=_self>Artisans Landscape</a> Artisans Landscape designs, builds, and cultivates gardens for residential clients throughout the Bay Area, taking a comprehensive, full-service approach that includes garden plantings, redwood and Ipe decks, fences, patios, masonry, retaining walls, automated lighting and irrigation, cedar and teak hot tubs, arborist services, and general maintenance and repairs. Owner Elliot Goliger founded the company in 1994 after noticing a lack of professionalism at other companies he’d worked for. He focuses on regionally appropriate, water-wise plants sourced from the Bay Area’s best nurseries, pairing durable materials with current technology to create gardens that are both attractive and low-maintenance. <a href=https://www.diamondcertified.org/report/atlas-plumbing-rooter/ target=_self>Atlas Plumbing & Rooter</a> Atlas Plumbing & Rooter is a family-owned and operated plumbing company that has served San Francisco and the Peninsula since 2005, handling everything from minor repairs to major plumbing system installations for residential and commercial clients. Owner Joel Ledesma built the company around treating customers like family, backing that up with trained, experienced plumbers and upfront pricing. The company recently began installing heat pump water heaters that run on electricity instead of gas, keeping pace with newer technology. <a href=https://www.diamondcertified.org/report/awc/ target=_self>AWC</a> AWC provides air duct, dryer vent, window and gutter cleaning services for residential and commercial clients in San Francisco and San Mateo County, along with pressure washing services and 24/7 customer support. Family-owned and operated since 1946, the company uses modern cleaning equipment to complete jobs efficiently while maintaining a strong focus on responsiveness and customer service. Led by co-owners Carol and Ron Frediani, AWC also emphasizes careful hiring and technician training, ensuring its employees are professional, punctual, courteous and prepared to handle a wide range of cleaning needs. <a href=https://www.diamondcertified.org/report/best-exteriors-construction-inc/ target=_self>Best Exteriors Construction, Inc.</a> Best Exteriors Construction, Inc. provides general contracting services for residential clients throughout the Greater Bay Area, handling everything from siding installation and window replacement to full-scale kitchen and bathroom remodels. Sales Manager Alex Motronchik says the company competes against big-box retailers by pairing competitive pricing with low overhead and first-rate service, without cutting corners on quality. The company stays in contact with clients before, during, and after each project to keep everyone satisfied with the finished work. <a href=https://www.diamondcertified.org/report/build-atlas/ target=_self>Build Atlas</a> Build Atlas installs, repairs, and maintains roofs for residential and commercial clients throughout the Greater Bay Area and Southern California, working on everything from residential shingles to clay and cement tiles. The family-owned company also uses its Class B license to offer full-service home remodeling, including interior design and building out kitchens, bedrooms, bathrooms, and home offices. Co-owner Sergio Ramirez says clients appreciate the company’s timely, consistent communication throughout each project. Build Atlas backs its work with a multi-tiered quality control process and extensive technician training to keep standards consistent across every job. <a href=https://www.diamondcertified.org/report/bv-electric-inc/ target=_self>BV Electric Inc.</a> BV Electric Inc. provides residential and commercial electrical services in San Francisco, Alameda and San Mateo Counties, including electrical installations, rewiring, breaker panel upgrades, indoor and outdoor lighting, and work involving older systems such as knob-and-tube wiring. Led by owner Miro Bokaric, the company draws on its experience with projects of varying complexity to diagnose problems and develop appropriate solutions for each property. BV Electric also emphasizes accessibility and customer service throughout every phase of a project, remaining available to answer questions, address concerns and ensure clients are satisfied from the initial planning stage through completion. <a href=https://www.diamondcertified.org/report/cal-auto-body/ target=_self>Cal Auto Body</a> Cal Auto Body provides body and collision repair, accident-related mechanical work, and structural and frame repair for all types of vehicles at its Colma facility, using tools like a computerized paint matching system to restore cars to pre-accident condition. Owner Nana Sarkisian credits the company’s success to a personalized approach that includes handling insurance issues, offering courtesy shuttle service, coordinating with rental car companies, and keeping customers updated throughout the repair. <a href=https://www.diamondcertified.org/report/california-shower-door-corporation/ target=_self>California Shower Door Corporation</a> California Shower Door Corporation has exclusively focused on custom shower enclosures since 1935, manufacturing its own Majestic and Regency systems and designing solutions that maximize space for any shower area. President/CEO Thomas J. Nolan leads an employee-owned operation where technicians have a vested interest in customer satisfaction. The company installs bathtub and shower enclosures, mirrors, guardrails, windscreens, interior glazing systems, glass countertops, and glass railing systems for Bay Area residential clients. As a member of the National Kitchen & Bath Association and the National Association of the Remodeling Industry, California Shower Door Corporation promotes high professional standards. <a href=https://www.diamondcertified.org/report/cappstone-inc/ target=_self>Cappstone, Inc.</a> Cappstone, Inc. provides maintenance services for a wide range of facilities throughout the Bay Area, using environmentally-friendly cleaning methods and Green Seal-certified products. Led by owner Nick Mettler, the company emphasizes transparency, communication and long-term client partnerships, with established systems and protocols designed to keep facilities clean, safe and efficiently managed. Cappstone also assigns highly trained, responsive account managers to each client to oversee service, maintain strong relationships and adapt to the changing needs of each facility. <a href=https://www.diamondcertified.org/report/chasov-electrical-voice-data/ target=_self>Chasov Electrical, Voice & Data</a> Chasov Electrical, Voice & Data provides electrical services for residential and commercial clients in San Francisco, Marin County and the Greater Bay Area, handling projects that range from small remodels and complete home rewiring to multiunit building improvements, commercial upgrades and electrical service conversions for EV chargers and all-electric systems. Led by owner Michael Chasov, the company draws on decades of industry experience and a technically skilled team, many of whom have electrical engineering backgrounds. Chasov Electrical, Voice & Data emphasizes knowledgeable guidance as well as quality workmanship, helping clients understand their options and make informed decisions about the electrical needs of their properties. <a href=https://www.diamondcertified.org/report/chosen-rooter-plumbing-inc/ target=_self>Chosen Rooter & Plumbing, Inc.</a> Chosen Rooter & Plumbing, Inc. provides a wide range of plumbing and drain cleaning solutions for residential and commercial clients throughout San Francisco, with technicians handling everything from misdiagnosed repairs left behind by other plumbers to routine drain and water heater work. Owner Daniel Tseyref says the company’s success comes down to honest, transparent service that never misleads or upsells customers. Mr. Tseyref treats plumbing as a craft, taking the time to make repairs look good for years to come rather than just functional. <a href=https://www.diamondcertified.org/report/christopher-wells-construction-inc/ target=_self>Christopher Wells Construction, Inc.</a> Christopher Wells Construction, Inc. provides residential remodeling services in San Francisco and San Mateo County, specializing in room additions as well as kitchen, bathroom, deck and foundation projects. Owner Christopher Wells draws on his decades of construction experience, including his background as both a carpenter and home inspector, which gives him extensive knowledge of Bay Area homes and common residential construction issues. Christopher Wells Construction also emphasizes clear communication throughout every phase of a project, with foremen available onsite or by phone to promptly address clients’ questions and concerns. <a href=https://www.diamondcertified.org/report/classic-shades-painting-co/ target=_self>Classic Shades Painting Co.</a> Classic Shades Painting Co. is a full-service painting company that serves the San Francisco Bay Area, specializing in residential home painting with an emphasis on customer service. The company handles every step of a project in-house, from thorough surface evaluations and meticulous preparation to applying a wide variety of finishes and coatings. Owner Yefim Skomorovsky, a master painter who began an apprenticeship at age 14, credits the company’s success to its experienced crew of journeyman-level painters who undergo continuous training. <a href=https://www.diamondcertified.org/report/discover-plumbing-rooter/ target=_self>Discover Plumbing & Rooter</a> Discover Plumbing & Rooter offers a wide range of plumbing services to residential and commercial clients in San Francisco and San Mateo County, handling everything from full sewer line replacements to basic fixture repairs and installations. Owner Faren Reyes credits the company’s success to customer-oriented practices like free estimates and only performing repairs that genuinely improve a customer’s plumbing system. Mr. Reyes says he prefers being on jobsites with his crew over working in the office, and the company operates bilingually to serve a broader range of customers. <a href=https://www.diamondcertified.org/report/door-pros-inc/ target=_self>Door Pros, Inc.</a> Door Pros, Inc. sells, installs, and repairs garage doors and automatic openers for residential and commercial customers throughout the Greater Bay Area and Greater Sacramento Area, handling spring and cable repairs, hardware work, door panel replacements, and new installations. Owner Josh Camilleri leads a team of highly trained technicians who maintain fully stocked service trucks with standard and special parts to expedite repairs and save customers money. The family-owned company offers same-day repair services designed to maximize turnaround time while maintaining quality workmanship. <a href=https://www.diamondcertified.org/report/duggans-serra-mortuary/ target=_self>Duggan’s Serra Mortuary</a> Duggan’s Serra Mortuary in Daly City has served Bay Area families for generations, combining a long history with personal, family-owned care. The multilingual staff supports families across cultures and faiths with traditional and cremation services, and the facility includes private chapels, reception areas and ample parking. The team also offers preplanning support through My Funeral, My Way®, which helps families make clear decisions with less stress later. Because Duggan’s centers compassion, accountability, and consistent service quality, families receive steady guidance and genuine support during one of life’s hardest moments. <a href=https://www.diamondcertified.org/report/dynamite-construction-management/ target=_self>Dynamite Construction Management</a> Dynamite Construction Management provides remodeling services for homeowners in San Francisco, Marin, Sonoma, Napa, Contra Costa, and Alameda Counties, working on kitchen and bathroom remodels, room additions, backyard renovations, and accessory dwelling units. Owner Spencer Brodie says earning clients’ trust is central to the business. The company offers locked-in pricing and timelines, backed by a penalty clause that compensates clients if a project runs past schedule. <a href=https://www.diamondcertified.org/report/electro-integrity/ target=_self>Electro-Integrity</a> Electro-Integrity provides a wide range of electrical services for residential and commercial clients in San Francisco, including lighting retrofits, panel upgrades, and general electrical system replacements and repairs, along with specialty work for older buildings. Owner Todor Georgiev has built a loyal customer base by staying responsive and easy to work with, and general contractors who use the company for their own projects note his high standard of workmanship. The company specializes in rehabilitating and retrofitting the unique electrical systems found in older San Francisco buildings, bringing them up to modern code and functionality. <a href=https://www.diamondcertified.org/report/faxon-garage/ target=_self>Faxon Garage</a> Faxon Garage provides maintenance and repair services for most types of domestic and foreign vehicles at its San Francisco facility, handling everything from routine tire and oil service to heavy-duty jobs like engine and transmission replacement, plus pre-purchase inspections on used cars. President Walee Gon credits the company’s success to a personalized approach that includes honest assessments and walking customers through their options rather than dictating what needs to be done. <a href=https://www.diamondcertified.org/report/galaxy-heating-air-conditioning/ target=_self>Galaxy Heating & Air Conditioning</a> Galaxy Heating & Air Conditioning provides HVAC services for residential and commercial clients in San Francisco, Alameda, and Contra Costa Counties, installing and repairing all types of heating and cooling systems and using its C10 license to take on electrical work like panel upgrades and whole house rewiring. Owner Ron Borisov says the company sets itself apart from larger, corporate-run HVAC outfits by staying personally involved with clients, reviewing completed work and following up to confirm satisfaction. The family-owned company holds NATE and EPA 608 refrigerant handling certifications and participates in TECH Clean California and BayREN rebate programs. <a href=https://www.diamondcertified.org/report/gba-realty/ target=_self>GBA Realty</a> GBA Realty provides residential and commercial property management services throughout the Bay Area, along with assistance with real estate sales and purchases. Led by President Quan Phan, the company combines a hands-on management style with modern online tools and marketing strategies to help clients protect and maximize the value of their investments. GBA Realty emphasizes responsiveness, active involvement and thorough follow-up, with its team working directly in the field, addressing issues promptly and remaining available after hours when needed. <a href=https://www.diamondcertified.org/report/heating-and-air-experts-llc/ target=_self>Heating and Air Experts LLC</a> Heating and Air Experts LLC provides residential and commercial HVAC services throughout San Francisco, San Mateo, Santa Clara and Alameda Counties, including heating and cooling system installation, repair and maintenance, air duct cleaning, thermostat installation and 24/7 emergency service. Led by owner Omr Tamimi, the company emphasizes customer relationships, responsive service and technical expertise. Heating and Air Experts also prioritizes continuous technician training and weekly team meetings to share knowledge, review completed jobs and stay current with developments in the HVAC industry.