Your home deserves a contractor who answers the phone, shows up on time, and finishes what he starts. From Victorian remodels to custom new builds — we bring craftsmanship, honesty, and care to every home in the Bay.
Sound Familiar?
You’ve heard the horror stories — maybe you’ve lived one. We built this company to be the contractor we’d want in our own homes.
Contractors who ghost you
Calls returned, questions answered, updates before you have to ask. You’ll always know exactly where your project stands.
Mystery pricing & surprise bills
Transparent, line-item pricing before we swing a hammer. If something changes, you hear it from us first — with options.
Projects that drag on forever
A clear schedule up front, a crew that shows up, and a project that gets done — on time, on budget, done right.
Get to Know Us
When people need work done right, they say “I know a guy.” That’s us. I Know A Guy Contracting was built on the idea that great contracting should feel personal — no runaround, no mystery pricing, just straight talk and quality work you can be proud of.
We serve homeowners all across the Bay Area, from San Francisco Victorians to East Bay bungalows, bringing the same high standards to every job — whether it’s a weekend deck build or a full custom home.
Why Choose Us
We don’t cut corners — ever. Every project is held to the highest standards of quality, from the foundation up to the finishing touches.
We respect your time and your money. Our process is built to keep projects moving efficiently so you never have to wonder what’s happening next.
We communicate clearly, show up when we say we will, and treat your home like it’s our own. No surprises — just a contractor you can actually trust.
What We Do
Whatever your home needs, you know a guy. Every service below is handled by our own trusted crew — licensed, insured, and held to the same standard.
Full gut-and-rebuild or thoughtful refresh — we handle every detail of your dream kitchen.
From spa-style master baths to efficient guest updates, done beautifully and on schedule.
Ground-up builds designed and executed to your vision, with expert guidance every step.
Transform any room or your entire home. We bring fresh ideas and proven execution.
Custom decks, patios, and outdoor spaces that extend your living area beautifully.
Expand your footprint with room additions and accessory dwelling units built to last.
Solid structural work from the ground up — the bones that make everything else possible.
Need something else? If it’s a build, we’ve probably done it. Reach out and let’s talk.
How It Works
No jargon, no pressure, no guesswork. Here’s exactly what working with us looks like.
Call, text, or send the form. We’ll talk through your project, your budget, and your timeline — free, and zero pressure.
You get a clear plan and an honest, line-item quote. You’ll know exactly what it costs and how long it takes — before anything starts.
Our crew shows up, keeps you updated, and delivers work you’ll be proud to show off. On time. On budget. Built right.
Takes two minutes. We reply within one business day.
Get Inspired
Every home is different — and so is every project. Whether you’re dreaming of a new kitchen, a backyard deck, or a full home transformation, we’ll help you bring that vision to life.
Good to Know
We serve the entire San Francisco Bay Area — San Francisco, the East Bay (Oakland, Berkeley, Alameda, Fremont, Hayward, Walnut Creek, Concord, Richmond), the South Bay (San Jose, Santa Clara), the Peninsula (San Mateo, Palo Alto, Daly City), and Marin County.
Yes. We hold California CSLB License #1156519 and are fully licensed and insured. You can verify our license anytime on the Contractors State License Board website.
Every project is different, but most Bay Area bathroom remodels start around $25,000–$60,000 and kitchen remodels around $50,000–$150,000+ depending on size, scope, and finishes. We give free, no-pressure quotes with transparent line-item pricing — no mystery numbers.
Yes. We build accessory dwelling units and room additions across the Bay Area and guide you through design, city permitting, and construction from start to finish.
As a rough guide: bathrooms take about 3–6 weeks, kitchens 6–12 weeks, and additions or ADUs several months. We set a clear schedule before work starts and keep you updated at every step.
Call or text (510) 402-6158, email duce@iknowaguycontracting.com, or use the form below. We respond within one business day with straight answers — no pressure, no jargon.
Let’s Talk
Have a project in mind or just want to get a sense of what something might cost? Reach out — we’re always happy to chat and give you a straight answer.
Phone
(510) 402-6158Service Area
Bay Area, CaliforniaCSLB License
#1156519 — Verify →Send a Message
San Francisco • Oakland • Berkeley • San Jose • Alameda • Fremont • Hayward • Walnut Creek • Concord • Richmond • San Mateo • Palo Alto • Daly City • Santa Clara • Marin County — and everywhere in between. If you’re in the Bay, we’ve got you covered.