Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Remodeling Company in Windsor, CA
Home remodeling in Windsor runs $9,000 – $130,000 depending on scope, with most whole-house projects falling between $45,000 and $130,000. We’re Penhallow Remodeling, and we handle kitchen remodels, bathroom remodels, and whole-home renovations for Windsor’s concentrated stock of 1990s – 2000s tract homes. Our crews coordinate dispatch from the San Francisco Bay Area office and serve Windsor directly, pulling permits through Sonoma County and building every project to Chapter 7A ignition-resistant standards. Call (936) 259-2607 to schedule your free estimate.
Why Windsor Homes Are Different
Windsor incorporated in 1992 and grew almost entirely through planned subdivisions built in the two decades that followed. That means the housing stock here is unusually uniform: wood-frame stucco construction, similar rooflines, comparable original materials, and systems aging out on neighborhood-wide schedules rather than scattered across decades.
The 2019 Kincade Fire changed how every exterior project gets built. Windsor sits inside a High Fire Hazard Severity Zone, so Sonoma County enforces California’s Chapter 7A ignition-resistant construction standards on virtually every permitted exterior job. Ember-resistant vents, Class A roofing assemblies, and ignition-resistant siding aren’t upgrades here; they’re hard permit requirements. Crews accustomed to working in nearby non-designated zones like Petaluma or Cotati often get flagged mid-project when inspectors find standard materials where resistant ones were required.
Winter rains on Windsor’s expansive clay soils cause real drainage and foundation movement issues, particularly in lower-lying subdivisions near Windsor Creek. Summer heat and low humidity stress exterior finishes and expand joints. These conditions mean a remodel in Windsor isn’t just about aesthetics; it’s about building for the specific stresses this valley delivers.
Our Main Windsor Services
Most Windsor homeowners who call us start with one of these three projects:
General Contractor in Windsor
We manage full-scope construction projects from permit to final inspection, coordinating electricians, plumbers, and specialty trades under one written contract. In Windsor, that means navigating Chapter 7A compliance on any exterior work, sequencing roof and siding jobs around county inspector availability, and specifying ignition-resistant materials from the first takeoff. Our project managers know which Sonoma County inspectors flag which details, and we build that knowledge into the schedule upfront. General Contractor in Windsor

Bathroom Remodeling in Windsor
Windsor’s original tract bathrooms are typically compact, with fiberglass surrounds and basic fixtures that have reached end-of-life together across entire subdivisions. We replace these with waterproof cement board substrate (the moisture-resistant layer behind your tile), updated plumbing to current code, and fixtures from Kohler, Moen, or Toto. Every bathroom remodel gets a written price before demolition starts and our 365-Day Done Right Promise in writing on completion. Bathroom Remodeling in Windsor

Kitchen Remodeling in Windsor
Kitchens in Windsor’s 1990s – 2000s tracts were built with builder-grade cabinetry and laminate countertops that are now failing simultaneously across neighborhoods. We install KraftMaid or Wellborn cabinetry with Cambria, Silestone, or Caesarstone countertops, updating electrical for modern appliance loads and reconfiguring layouts where walls can be opened. Our written price covers cabinet line, countertop material, and installation; the number on day one is the number on the invoice. Kitchen Remodeling in Windsor

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Remodeling in Windsor
Home remodeling in Windsor means working with a concentrated housing stock that’s entering a synchronized renovation cycle, while building to fire-hardening standards that didn’t exist when these homes were framed. We specialize in whole-house updates that address aging systems, reconfigure layouts for how families actually live now, and bring exteriors into Chapter 7A compliance. Our Home Remodeling projects range from targeted renovations to complete transformations, always with a written price before work starts and our 365-Day Done Right Promise backing every detail.
Whole House Remodel
Signs you need it
Your home still has original roofing, failing original windows, outdated electrical panels, and a floor plan that doesn’t match how you use the space.
What it costs in Windsor
Whole house remodels in Windsor typically run $45,000 – $130,000, with most projects landing between $60,000 and $95,000 depending on square footage and whether exterior fire-hardening is included.
How we do it
We start with a structural assessment and permit strategy, then sequence interior demolition, systems updates, layout reconfiguration, and exterior ignition-resistant finishes in coordinated phases to minimize time out of the house.
Home Renovation
Signs you need it
Specific rooms or systems are failing, but the overall structure and layout still work, and you want targeted improvements rather than a full gut.
What it costs in Windsor
Targeted home renovations in Windsor typically range from $9,000 for a small bathroom update to $45,000 for a full kitchen remodel, with most projects falling between $14,000 and $35,000.
How we do it
We isolate the work area, protect adjacent finishes, replace the specified systems or surfaces, and tie into existing structure without disturbing parts of the house that aren’t part of the scope.
What Home Remodeling Costs in Windsor
| Item | Typical range in Windsor |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
Do you pull permits for home remodeling in Windsor?
Yes, we pull all required permits through Sonoma County and schedule inspections ourselves. In Windsor’s High Fire Hazard Severity Zone, exterior permits trigger Chapter 7A compliance reviews that add a layer to standard inspection schedules, so we build that timing into every project plan from the start. Call (936) 259-2607 and we’ll walk you through what’s required for your specific scope.
Will the price change once demolition starts?
No. Our written price is fixed before any work begins. If we encounter hidden damage, we document it, explain the finding, and get your written approval on any change before proceeding. The Kingswell Way requires we say the price before the work, and we hold to that on every Windsor project. Call (936) 259-2607 for a written estimate with no obligation.
Brands We Service in Windsor
We install and service products from recognized trade brands including KraftMaid and Wellborn cabinetry, Cambria, Silestone and Caesarstone countertops, and Kohler, Moen, and Delta fixtures. For exterior fire-hardening projects, we specify James Hardie siding and Therma-Tru doors that meet Chapter 7A standards. We also work with our brands from modular and prefab manufacturers like Abodu, Cover, and Mighty Buildings when ADU or addition projects benefit from off-site construction. Most standard items are available within standard lead times; specialty orders typically add two to four weeks.
Pricing for Remodeling Company in Windsor, CA
| Service | Typical range in Windsor |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
Prices in Windsor run toward the higher end of these ranges when Chapter 7A ignition-resistant materials are required for exterior work, or when winter clay-soil conditions demand enhanced drainage and foundation detailing. Every homeowner receives a written, line-item price before any work starts, so the number we give you is the number on the invoice.
Neighborhoods We Serve in Windsor
We work across Windsor’s full incorporated area, from the original 1990s subdivisions to newer infill. Most Windsor neighborhoods are within 15 minutes of our Bay Area dispatch coordination, with crews typically arriving within the scheduled window.
- Shiloh Estates
- Windsor Creek
- Fulton Meadows
- Brookwood
- Old Windsor
Service Area – Cities Near Windsor
Our crews serve Windsor directly and regularly work in surrounding Sonoma County communities. We also take projects in Healdsburg, CA, Santa Rosa, CA, Sebastopol, CA, and Calistoga, CA, bringing the same written pricing and 365-Day Done Right Promise to each location.
Serving Windsor, CA - Our Local Coverage Area
We’re based in the Windsor 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 Remodeling Company in Windsor
We typically schedule initial consultations within a few business days, with project start dates depending on permit timelines and material lead times. In Windsor, Chapter 7A compliance reviews can add a week to permit processing for exterior work, so we file early and keep you updated. Call (936) 259-2607 to check current availability.
Many Windsor subdivisions have active HOAs with design review requirements separate from county permits. We coordinate both tracks, submitting HOA packages alongside permit applications so neither process delays the other. Our project managers know which Windsor neighborhoods have active review boards and build that timeline into your written schedule.
We serve all incorporated Windsor addresses, from the original town center near Windsor Road to the full range of post-1992 subdivisions. If your property sits within Windsor city limits or receives Windsor postal service, we’re your service area. Call (936) 259-2607 to confirm and schedule your free estimate.
Ready to talk about your project? Call (936) 259-2607 to schedule your free, written estimate. We’ll give you a real number you can hold us to, explain exactly what your Windsor home needs, and put our 365-Day Done Right Promise in writing before any work starts.
What happens when you call
- 1A real person answersNo phone trees - talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Windsor Customers Say
"Did our whole kitchen. The written estimate held, which after reading remodel nightmares online I did not take for granted. Showed up every morning on time and the crew was clean and polite."
- Warren Updike"We'd been burned by a contractor before who disappeared halfway. Penhallow finished on time and stood behind everything. The written price gave me peace of mind the whole way."
- Simone Clarke"Gutted and redid the master bath. They gave me a schedule and actually stuck to it. Any time there was a choice to make they called me instead of guessing. Love the result."
- Kayla Benton







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