Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Remodeling Across Cotati
Home remodeling in Cotati means working with homes that are 50 to 70 years old, many built before current seismic and foundation standards were written. Most Cotati homeowners want to know three things before anything else: who is coming to their door, what the project will actually cost in writing, and what happens if the work isn’t right a year from now. We answer all three before the first tool comes off the truck. If you’re planning a kitchen remodel, bathroom update, or whole home renovation in Cotati, call (803) 680-2547 for a written quote and a project plan that makes sense for your house, not a generic template. We know the difference between a 1950s Valparaiso Avenue rancher and a newer subdivision home off West Sierra Avenue, and that knowledge changes how we bid and build.
Why Mason Remodeling Is Cotati’s Preferred Home Remodeling Company
Mason Remodeling has been doing general contracting, bathroom remodeling, and whole-home work since 2004, and we’re part of the Threshold Group family of home-service companies. What that means for a Cotati homeowner is a specific, enforceable standard on every job: the Threshold Standard. Every crew member is background-checked and identity-verified. Before anyone arrives at your door on East Cotati Avenue or in the Gravenstein neighborhood, you get their name and photo. When the doorbell rings, the person standing there matches the photo, wears a clean marked uniform, and shows a photo ID badge. That’s not a courtesy. It’s how we work.
We also put the price in writing before work starts. Not a verbal ballpark. A written line-item quote. And every completed project carries a written guarantee stating exactly what is covered, what’s excluded, and for how long: 365 days from the completion date. If the work is not right within that year, we make it right at no cost. No dispute process. No conditions.
People in Cotati choose us because they know exactly who is coming and exactly what it costs before they commit. That matters when you’re opening your door to someone who will be in your kitchen for six weeks. Led by Isaac Pruett, our Home Remodeling team treats your home like a job site we’re accountable to, not a project we’re passing through.
Styles & brands we work with
Luxury Home Remodeling in Cotati
Luxury Home Remodeling in Cotati means something different than it does in a new-build subdivision. Here, it often means taking a 1950s or 1960s home with good bones and real problems (cast-iron drains, undersized footings, aluminum wiring) and bringing it to a finish level that rivals new construction, without pretending the existing conditions don’t exist. A luxury kitchen in Cotati typically runs $14,000 to $45,000 depending on cabinet line, countertop material, and whether walls move. A luxury primary bath runs $9,000 to $28,000 when you’re doing a full gut, custom vanity, walk-in shower, and dedicated lighting circuits.
Luxury isn’t just the finish materials. It’s the sequencing: opening walls and floors deliberately, fixing what the last remodel hid, and then installing specification-grade products. We work with KraftMaid and Wellborn cabinetry, Cambria and Silestone surfaces, and Kohler and Moen fixtures, so a Cotati homeowner isn’t choosing from a limited catalog. We also partner with Abodu for prefab ADU structures when a backyard unit makes more sense than a ground-up addition.
Seismic-Upgrade Remodeling
In Cotati, luxury work often includes structural upgrades you’ll never see. Cripple-wall bracing, foundation bolt retrofits, and shear-wall installation are common on pre-1970 homes. We build these into the scope from the start so the inspector sees them at the right phase, not as a surprise at final.
Pre-Finished Systems and Slim-Profile Tile
Many Cotati homeowners want a cleaner, more architectural look than the original homes offered. We install large-format porcelain, Schluter trim (the metal edge that seals where tile meets flooring), and curbless shower pans with linear drains. The work is precise, and the waterproofing detail matters more than any visible finish.
Full Home Remodel in Cotati
A Full Home Remodel in Cotati is a different animal from a single-room renovation. It means living somewhere else for part of the build, or at minimum shutting down whole sections of the house. We’ve done full-home work in Cotati where the scope includes re-piping, rewiring, new windows, insulation, drywall, flooring, two baths, a kitchen, and a new roof line. A full home remodel on a Cotati ranch or split-level typically runs $45,000 to $130,000 for the home addition component alone, with full interior remodels landing in the $80,000 to $150,000 range depending on size and condition. Every job gets a written scope, a draw schedule, and a named project lead.
Phased Demolition and Discovery
Demolition is where full remodels get honest. We open one area at a time, document what’s behind the walls, and compare it to the written scope. If we find a cast-iron drain or knob-and-tube wiring, we stop and tell you before we touch it. You make the call. The price change is in writing before the work proceeds. That’s how a fixed bid stays fixed when the house doesn’t cooperate.
Draw Schedules Tied to Inspection Sign-Off
We don’t ask for progress payments based on a percentage pulled from the air. Your draw schedule follows the actual work: demo complete, rough-in passed, insulation and drywall hung, finish trim installed, final inspection signed off. Each payment is tied to a city inspection approval where Cotati requires it. You see the work. You see the inspection. You pay. That’s the whole sequence.
Trusted Brands We Service in Cotati
We specify and install brands that hold up to Cotati’s temperature swings and the humidity that settles into older homes without modern vapor barriers. For countertops and interior surfaces, we use Cambria, Silestone, and Caesarstone because they’re non-porous and stand up to Sonoma County’s wet winters. For cabinetry, KraftMaid and Wellborn give us consistent tolerances and finish quality. For fixtures, we install Kohler, Moen, and Toto. On the exterior, we work with GAF and CertainTeed roofing products and Belgard hardscaping systems when a remodel extends to the driveway or patio. We keep a rolling parts inventory for common brands so Cotati customers aren’t waiting on a backordered faucet cartridge while a bathroom sits unfinished. We also work with Dvele and Cover on modular and prefab components when a Cotati project calls for faster shell assembly.
Common Home Remodeling Problems We See in Cotati Homes
Cotati’s housing stock is specific. Built between the 1940s and 1970s in waves, the older sections of town reveal predictable problems once walls open. Here’s what we see regularly:
- Undersized or non-continuous footings on Valparaiso and Myrtle Avenue lots. Homes built before current codes often lack the frost-depth continuous footings the city now requires for structural additions. A home addition or ADU project can start with foundation underpinning or a slab replacement that doubles the excavation phase and adds real cost before framing begins.
- Cast-iron drain lines under original 1950s kitchens and baths. Cast iron corrodes from the inside. By the time we open the floor, the pipe often crumbles when touched. If the written scope didn’t anticipate it, the homeowner is facing a change order mid-rough-in. We build for this on Cotati’s older housing stock from day one.
- Knob-and-tube wiring hidden in attics and walls. Common in pre-1960 Cotati homes, especially in the downtown blocks near Old Redwood Highway. If the home still has active knob-and-tube, the city may require full circuit replacement before insulation or drywall goes back. We check for it during the pre-bid site walk, not after the walls are open.
- Deflection and sag in 2×6 subfloor systems under original kitchens. Older Cotati ranchers with 2×6 floor joists at 24-inch spacing don’t meet today’s deflection limits for tile or stone. That means leveling, sistering, or a new subfloor before tile goes down. It’s invisible work that makes the difference between a floor that lasts and one that cracks grout in two years.
Construction work in Cotati, CA is a known quantity to us because we’ve done it here. The homes repeat patterns. The soil, the slab behavior, the inspector’s expectations, the way moisture moves through a crawlspace on a cold February morning: all of it follows rules. Once you know the rules, you bid to them instead of hoping.
See the difference
Before
After
Before
After
Before
AfterPricing for Home Remodeling in Cotati, CA
Here’s what Cotati homeowners should expect to pay, based on the work we’ve actually scoped and built in this city:
| Project | Typical Cotati Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
What moves the number: the age and condition of the existing framing and foundation, whether the project requires a structural engineer’s wet-stamp, the finish level you choose, and whether the home still has active knob-and-tube or cast-iron that has to come out. We give you a written price range before any work starts, then a fixed written quote after we’ve walked the house and checked the crawlspace and attic. The estimate is free. Call (803) 680-2547 and ask for Isaac Pruett’s team.
We Also Serve Cities Near Cotati
Our crews work throughout Sonoma County. Many of our Cotati clients refer us to family in Rohnert Park, Petaluma, Santa Rosa, and Sebastopol, and we regularly run jobs in all four. If you’re in a neighboring city and want the same written-price, named-crew approach, call the same number: (803) 680-2547.
Serving Cotati, CA - Our Local Coverage Area
We’re based in the Cotati area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Home Remodeling in Cotati
Most structural, electrical, plumbing, and mechanical work in Cotati requires a building permit through the city, and structural additions or ADUs also require plan review and periodic inspections through rough-in and final. You need a building permit for any work that moves walls, modifies framing, alters the roofline, or extends the footprint; a separate electrical permit for panel changes or re-wiring; a plumbing permit for drain or supply rework; and a mechanical permit if you’re relocating or adding HVAC. We pull the permits, schedule the inspections, and the written scope of work tells you exactly which permits apply before we start. Call (803) 680-2547 and we’ll walk your specific project against Cotati’s current requirements.
A kitchen remodel in Cotati typically costs $14,000 to $45,000. A smaller kitchen or a cabinet-only refresh can run $9,000 to $20,000, while cabinet installation alone lands between $4,000 and $13,000. Cotati’s older homes often add structural and drainage costs that newer homes don’t carry, so the low end goes to a straightforward cosmetic update and the high end to a full gut with wall removal, footing repair, custom cabinetry, and stone countertops. The best way to know your number is a written quote after a crawlspace and attic check. Estimates are free at (803) 680-2547.
A home addition in Cotati typically takes 4 to 7 months from permit submission to final inspection, depending on the size and whether foundation underpinning is required. Plan for 2 to 5 weeks just for plan review and permit approval, then excavation and footing work (longer on older Valparaiso or Myrtle Avenue lots that need continuous footings added), framing, rough-in, drywall, and finishes. The calendar is in the written project schedule we give you before work begins, and each draw payment is tied to an inspection sign-off so the timeline stays visible. Call (803) 680-2547 for a project schedule specific to your lot.
Yes, with one honest caveat: a fixed written price before walls open only works if we’ve done a pre-bid site check for load-bearing walls, footing depth, and existing drain and wiring condition. Cotati homes have predictable surprises, and a verbal walkthrough bid will find them later as change orders. We write the scope to include what we can see and document, and we tell you in writing what a cast-iron drain or knob-and-tube discovery would cost if it appears. So you get a fixed price for the defined scope, and a written protocol for any discovery. That’s the honest version. Call (803) 680-2547 and we’ll explain it on your specific house.
Payments follow a draw schedule tied to inspection sign-offs, not a calendar percentage. You pay for demo complete after demo passes inspection, for rough-in after the city signs off on mechanical, electrical, and plumbing, and for finishes as they’re completed and accepted. We never ask for full payment upfront. A typical project breaks into 4 to 6 draws, each one documented in the written contract before you sign. The full sequence is in your project plan. Call (803) 680-2547 to see a sample draw schedule for a Cotati home.
Ready to Plan Your Cotati Remodel?
We’re a phone call away. Call (803) 680-2547 and you’ll reach a live person who can schedule a site walk, answer questions about your specific Cotati home, and get a written quote started. No call trees. No voicemail loops. You’ll know who is coming, what it costs, and what’s guaranteed before you commit. Ask for Isaac Pruett’s team.
Written by Isaac Pruett, Owner at Mason Remodeling, serving Cotati since 2004.
