







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Fillmore
Finding a general contractor in Fillmore who understands county permitting, wind exposure on open acreage, and the realities of building on citrus-grove estates isn’t a simple search. It’s the difference between a project that moves through Ventura County Building & Safety without friction and one that stalls on a missed septic setback. We coordinate permits, schedule inspections, and manage every trade so your kitchen remodel, room addition, or detached ADU in Fillmore stays on track. Call (341) 218-4316 to talk through your project with a live person, any hour.
We’re Elmstead Remodeling Ventura, a Cedarwell company founded in 2005. Every project we take on in Fillmore is governed by the Cedarwell Care Promise: a written price before any work starts, drop cloths and shoe covers inside your home, a photo of the clean-up before the crew leaves, and quiet tools during your family’s rest hours. That promise applies whether we’re remodeling a bathroom near downtown or building a detached ADU off Goodenough Road.
Key Takeaways
- Most Fillmore general contractor projects involve either city permits or Ventura County permits, and the difference changes timeline and cost.
- ADU construction on Fillmore acreage typically runs $90,000 – $220,000; garage conversions run $30,000 – $80,000; home additions run $45,000 – $130,000.
- Fillmore wind, septic and well setbacks, and sloping lots are the three cost drivers we scope before quoting.
- Every project includes a written price upfront, background-checked uniformed technicians, and the 365-Day Done Right Promise.
- Call (341) 218-4316 for a free estimate, answered by a live person 24/7.
Styles & brands we work with







Why Elmstead Remodeling Ventura Is Fillmore’s Preferred General Contractor Company
Graham Stein leads our team in Ventura County, and the work we do in Fillmore reflects a simple standard: name the protection, name the product, name the price. Before we quote a kitchen remodel in a 1950s ranch house near Central Avenue or a room addition on a hilltop lot above the Santa Clara River, we walk the property. We check what’s there. We ask about your kids’ nap schedules and where your dog sleeps. Then we write the price down and hand it to you before any work begins.
Fillmore homeowners call us because we don’t treat unincorporated county land as an afterthought. We know that a property off Old Telegraph Road may need a Ventura County permit rather than a city one. We know that a 100-foot separation between an existing well and any leach field can change where an ADU sits on the parcel. We’ve scheduled rough-in and final inspections with the county on projects from Moorpark to Santa Paula, and we bring that same working knowledge to every Fillmore jobsite.
When the crew arrives in Fillmore, they arrive in uniform and with background checks already complete. You’ll know exactly who is walking through your door. Floors get drop cloths. Shoes get covers. Tools go quiet during rest hours. And before we leave, we photograph the clean-up so you have proof the home was left right. That’s the standard, on every job, not as an add-on.
Hire a General Contractor in Fillmore

Hire a General Contractor when the project touches structure, utilities, or a permit-required scope of work, and in Fillmore that often means navigating both the City of Fillmore and Ventura County Building & Safety depending on your address. A licensed general contractor coordinates the trades, pulls the correct permit, schedules inspections, and carries the schedule from demolition to final sign-off. On Fillmore acreage, that also means scoping septic and well setbacks, grading, drainage, and wind bracing before any quote is final. A typical home addition in Fillmore runs $45,000 – $130,000 depending on foundation work and county requirements.
Permit Coordination and County Compliance
If your Fillmore property sits in unincorporated Ventura County, the permit lives with the county, not the city. That changes which forms get filed, which inspectors visit, and which setback rules apply. We handle that paperwork and keep your timeline honest.
On-Site Scope and Septic/Well Verification
Before we quote an addition or ADU, we walk the property to locate the septic tank, leach field, and well. The county requires a 100-foot separation between a well and any leach field, and that single measurement can move a structure twenty feet in either direction. We confirm it first so your price doesn’t change later.
Call (341) 218-4316 to schedule a free walkthrough and written estimate for your Fillmore project.
General Contractor Services in Fillmore
General Contractor Services in Fillmore cover the full arc of a build: demolition, framing, mechanical rough-in, finishes, and the final inspection sign-off. For a garage conversion, that means new insulation, drywall, electrical, and often a mini-split system, typically $30,000 – $80,000 in Fillmore. For a detached ADU on county land, that scope expands to grading, a foundation pad, septic or sewer connection verification, well clearance, and fire-resistant exterior materials. ADU construction in Fillmore generally runs $90,000 – $220,000.
Dry Rot Repair and Structural Framing
Older Fillmore homes, especially early-1900s Craftsman and Spanish Revival houses downtown, often hide dry rot behind stucco or siding. We open the wall, replace the affected framing, and confirm the structure before any finish work begins.
Exterior Envelope and Wind-Resistant Materials
Fillmore wind is real. The Santa Anas funneling through the Santa Clara River Valley can rip off unsecured underlayment and knock over unbraced framing on exposed lots. We specify products like James Hardie siding and GAF roofing and brace according to county wind exposure requirements.
Our General Contractor team brings the same written-price standard and crew discipline to every Fillmore job, from a small bathroom vanity swap to a full ADU build.
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.
Trusted Brands We Service in Fillmore
We specify materials Fillmore homeowners can research by name and whose warranties travel with the finished project. For fixtures, we commonly install Grohe and Toto in bathrooms, and we use Schluter waterproofing systems under tile in showers and wet areas. For cabinetry, we order from KraftMaid and Wellborn. For countertops, we work with Cambria, Silestone, and Caesarstone. These aren’t generic supply-house substitutions. They’re named products with manufacturer warranties you can verify independently, and we keep local parts accounts in Ventura County so Fillmore projects don’t wait on long-lead deliveries when a fixture arrives damaged or a membrane kit runs short.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Fillmore Homes
- Wrong jurisdiction on the permit application. A homeowner assumes the City of Fillmore handles everything, but the address is actually in unincorporated Ventura County. We confirm jurisdiction before filing anything so the first submittal doesn’t come back rejected.
- Wind damage on open acreage. Unbraced framing or poorly secured roofing underlayment fails during Santa Anas, especially on hillside lots off Goodenough Road. We brace to county wind exposure standards and use fire-resistant exterior products where the fire weather risk is highest.
- Septic and well setbacks discovered too late. A homeowner designs an ADU placement, then learns the leach field sits twenty feet too close to the existing well. That forces a redesign or a septic relocation that can add $15,000 – $30,000. We verify setbacks during the quote walk, not after demolition.
- Sloping pads with no drainage plan. Open lots in Fillmore often have a natural grade that sends runoff toward the foundation. Without an engineered swale or retention plan, a new addition can sit in water every winter. We include grading and drainage design in the scope before we quote.
Pricing for General Contractor in Fillmore, CA

Pricing a general contractor project in Fillmore depends on jurisdiction, site conditions, and material choices, but the ranges below reflect what we’ve scoped across the area. County-permitted work on unincorporated land typically runs higher than city-permitted work because of additional inspections, grading requirements, and sometimes septic or well verification. A sloping lot adds grading costs. Wind exposure adds bracing. Those are line items we identify before the quote, not surprises after the crew arrives.
| Project Type | Fillmore Price Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Home Addition | $45,000 – $130,000 |
Every quote is written and delivered before any work starts. That’s not a promotion. It’s the Cedarwell Care Promise, and it applies to every single Fillmore project. Call (341) 218-4316 to schedule a free estimate and walkthrough.
We Also Serve Cities Near Fillmore
Our General Contractor in Fillmore work extends to nearby communities across Ventura County. We serve Moorpark, Santa Paula, Somis, and Simi Valley with the same written-price standard and crew protection practices. If your property sits closer to the county line or in a neighboring incorporated city, call (341) 218-4316 and we’ll confirm which jurisdiction applies before you commit to anything.
Serving Fillmore, CA - Our Local Coverage Area
We’re based in the Fillmore 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 General Contractor in Fillmore

Check your property address against the City of Fillmore’s incorporated boundary. If the address is in unincorporated Ventura County, the Ventura County Building & Safety Division issues the permit and enforces septic, well, and setback rules that differ from the city’s. We confirm jurisdiction during the quote walk and file with the correct agency before any work begins. Call (341) 218-4316 and we’ll verify it for you at no cost.
Ventura County requires a 100-foot separation between a well and any leach field, and the leach field itself has setback requirements from structures and property lines that vary by parcel. On a citrus-grove estate off Goodenough Road, we walked the property before quoting a detached ADU, confirmed the existing septic tank and well positions, and added a line item for grading the sloping pad. That verification changed the foundation placement and kept the project from requiring a septic relocation. Call (341) 218-4316 for a written estimate that includes these checks.
Fillmore wind, the Santa Anas funneling through the Santa Clara River Valley, increases the structural bracing and roofing fastening requirements on open lots. A garage conversion or outbuilding on an exposed hillside may need additional shear wall, hold-down hardware, and a fire-resistant exterior like HardiePlank, which adds $3,000 – $8,000 depending on the structure’s size and exposure. We scope that before quoting so the price doesn’t shift after inspection. Call (341) 218-4316 for an exact number for your property.
Yes, on most open lots with a natural slope. Ventura County will typically require a grading plan and drainage design for any structure on a sloped parcel, and we include an engineered swale or retention design in the scope before quoting. That’s the difference between a foundation that stays dry and one that sits in runoff every winter. Call (341) 218-4316 and we’ll walk your lot with you.
Yes. We coordinate the county permit application, septic and well verification, grading, construction, and final inspection sign-off as one scope of work. The written price includes those coordination tasks, not as change orders. A detached ADU in Fillmore typically runs $90,000 – $220,000 depending on site conditions and finishes. Call (341) 218-4316 to schedule a free walkthrough and written estimate.
Written by Graham Stein, Owner at Elmstead Remodeling Ventura, serving Fillmore, CA.











