Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterFast, Reliable General Contractor Across Antioch
A General Contractor in Antioch coordinates the people, permits, and materials that turn a dated house into the home you actually want. Penhallow Remodeling brings the same written-price, written-guarantee standard to every kitchen, bath, and whole-home project in Antioch, from the riverfront bungalows near the original downtown grid to the 2000s tract homes off Lone Tree Way. Trevor Nash leads our crews, and the first thing we do is put a real number in writing before a single cabinet gets pulled. If you’re weighing a remodel and want to know what it will actually cost in Antioch, call (936) 259-2607 and we’ll walk you through the numbers without the guesswork.
Why Penhallow Remodeling Is Antioch’s Preferred General Contractor Company
We know Antioch not as a dot on a dispatch map but as a specific housing market with a specific problem set. The city’s boom-era subdivisions along Hillcrest Avenue and the eastern growth corridor hit 15 to 25 years old at roughly the same moment, which means thousands of homes are now dealing with the same failures: caulk that’s baked out in delta heat, sticking doors in the dry season, and interior cracks that aren’t just cosmetic. Our General Contractor team prices the fix for the underlying cause, not the symptom. When an Antioch homeowner tells us their kitchen floor bounces or their back door won’t latch by August, we know to check the slab before we quote the finish work.
Every estimate we give to an Antioch customer includes the 365-Day Done Right Promise in writing. If something we installed fails inside that year, we come back and make it right at no charge. No service call fee, no re-inspection charge, no debate. The same guarantee rides on a bathroom vanity install in a 1960s rancher near downtown and a full kitchen gut on a 2004 production home. And when you call, a live person answers, 24/7. Not a voicemail tree. Not a callback window that slots you in next Thursday.
Licensed General Contractor in Antioch
A Licensed General Contractor in Antioch is the single point of accountability for a remodel, addition, or major repair project. It means the person pulling permits, scheduling inspections, and signing the work off carries the license that backs the work with the state, which matters when you’re dealing with Antioch’s boom-era tract homes and their history of deferred maintenance. You need licensed general contracting when structural changes are involved, when load-bearing walls come out, when mechanical systems get rerouted, or when a permit office wants a named responsible party. We pull the permits, schedule the inspections, and stand behind the inspection sign-off in writing.
Whole-home coordination and change orders
Antioch remodels rarely unfold exactly as the first walkthrough suggests. A 2004 home off Hillcrest Avenue taught us this when our crew opened a kitchen wall for a load-bearing change and found the original 2×4 framing rusted through at the base plates from years of vacated-home moisture, plus caulk failure at every window frame corner. We rebuilt the rough-in, switched the exterior fasteners to hot-dip galvanized, and set the new KraftMaid cabinets on a shimmed subfloor after confirming the slab hadn’t heaved past tolerance. The punch list closed with the owner’s original deferred-maintenance worries resolved instead of buried behind drywall.
The written change order, not the verbal surprise
When hidden damage surfaces mid-project, we write the change order, price it explicitly, and get your signed approval before ordering materials or putting a saw to framing. The number on day one is the number on the invoice unless you approve something different in writing. That’s the Kingswell standard and it’s not negotiable, not even on a fast-moving bathroom gut in a 1970s split-level near Gentrytown.
Residential General Contractor in Antioch
A Residential General Contractor in Antioch handles the full range of homeowner work, from a tub-to-shower conversion in a 1980s rancher near Somersville Road to a whole-home rework in a two-story production build off Lone Tree Way. We’re the ones who coordinate plumbing, electrical, framing, tile, and finish carpentry under one written price and one written guarantee. This role matters most when three or more trades touch the same space, because a $14,000 kitchen remodel needs a real schedule and a real materials order, not a sequence of favorite subcontractors showing up when they can.
Kitchens, baths, and the rooms around them
A full kitchen remodel in Antioch typically runs $14,000 to $45,000 depending on cabinet line, countertop material, and whether walls move. Bathroom remodels land between $9,000 and $28,000. A countertop swap alone sits around $2,000 to $6,500, and window replacement in a wind-exposed Antioch house runs $4,500 to $15,000. We install Cambria quartz and KraftMaid or Wellborn cabinetry because the materials carry their own manufacturer warranties that layer on top of ours, and because “builder-grade” doesn’t hold up in a town that cooks at 100 degrees for a month straight.
Home additions and accessory units
If you’re adding a bedroom, expanding a family room, or converting a garage, the work starts with soil and slab, not drywall. A home addition in Antioch runs $45,000 to $130,000; an ADU build ranges $90,000 to $220,000; a garage conversion falls between $30,000 and $80,000. These are the projects where the Montezuma clay under post-2000 subdivisions makes the real difference. A proper contractor probes before he prices. We do.
Trusted Brands We Service in Antioch
Antioch homeowners sometimes ask about panelized or prefab systems and we’re glad to talk through what actually works here. We’ve installed and serviced builds involving Abodu and Cover accessory units, and we’re familiar with Dvele and Mighty Buildings systems when a homeowner wants a factory-built path. What we don’t do is bolt a coastal-spec kit onto a clay-heavy Antioch lot and call it done. The products we spec, KraftMaid and Wellborn cabinetry, Cambria and Silestone tops, Kohler and Moen fixtures, James Hardie siding, are chosen because they survive the heat, the wind, and the years better than the alternatives. When a brand fails early under Antioch conditions, we stop specifying it. That’s the whole strategy.
Common General Contractor Problems We See in Antioch Homes
- Interior cracking on boom-era slabs. Post-2000 homes near Lone Tree Way and Hillcrest sit on expansive Montezuma clay that shrinks in the 95-105 degree dry season and swells with winter rain, so door-corner cracks and sticking windows are often active slab heave, not simple settling. Skip the probe and the drywall repair fails again in one season.
- Rusted or degraded hardware from vacated-home years. Antioch’s 2008-2012 foreclosure wave left thousands of homes empty for years, and moisture intrusion during vacancy rotted base plates, window headers, and fasteners that look fine from the outside today.
- Caulk and fastener failure from delta wind and UV. The Carquinez corridor pushes 25-30 mph winds through Antioch routinely, and summers run 20-30 degrees hotter than coastal Bay Area cities, so standard caulk and zinc hardware fail years ahead of the Oakland baseline. We spec hot-dip galvanized fasteners and marine-grade sealants as the default, not the upgrade.
- Unpermitted prior work that won’t pass inspection. A significant share of Antioch tract homes carry unpermitted patio enclosures, garage conversions, or half-finished remodels from the cash-strapped years, and those need to be brought to code before we can sign off on anything structural.
Pricing for General Contractor in Antioch, CA
Here’s what real work costs in Antioch right now. These are the written, line-item ranges we actually bid with, not teaser numbers designed to get a foot in the door.
| Project | Typical Antioch Price 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 |
| Garage Conversion | $30,000 – $80,000 |
| Window Replacement | $4,500 – $15,000 |
| Countertop Installation | $2,000 – $6,500 |
What moves the number up or down? Cabinet line, countertop material, whether walls or plumbing move, and whether the slab heave probe turns up movement that needs remediation before finish work starts. The coastal-spec and inland-spec price gap is real too: hot-dip galvanized fasteners, marine-grade caulk, and UV-rated exterior trim run roughly 8 to 15 percent more than the builder-grade alternatives, and they are the difference between a 10-year envelope and a 3-year one in Antioch’s wind-and-heat corridor. We give you the written number for the right spec, and you approve it before we start. Call (936) 259-2607 for a free estimate, and we’ll walk the job with you.
We Also Serve Cities Near Antioch
Our crews run Antioch jobs daily and cover the surrounding corridor as well: Oakley, Pittsburg, Clayton, and Brentwood. If you’re in one of those towns, we bring the same written price and written guarantee to the table. For more about how we work as a General Contractor in Antioch, or to schedule a walkthrough near you, call (936) 259-2607.
Serving Antioch, CA - Our Local Coverage Area
We’re based in the Antioch 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 Antioch
The cracks are most likely active slab heave from the expansive Montezuma clay under post-2000 subdivisions, which shrinks hard in the dry season and swells with winter rain, and it needs a foundation probe before any cosmetic repair is quoted. Call (936) 259-2607 and we’ll send a crew to check for movement before you pay for drywall that cracks again next summer.
Yes, Antioch requires permits for any remodel that touches plumbing, electrical, structural framing, or a load-bearing wall, so a fixture swap might not trigger one but moving a sink or taking out a wall almost always does. We pull the permits, schedule the inspections, and the inspection sign-off is part of the written scope, not an afterthought.
We write the change order with a specific price and a specific scope, and you sign it before we order materials or do the work, so the invoice never sneaks up on you after demo day. Hidden damage is common in Antioch’s boom-era tract homes, and the written change order keeps it from becoming a negotiation at the finish line.
We default to hot-dip galvanized fasteners, marine-grade caulk, UV-rated exterior trim, and James Hardie siding rather than standard zinc hardware and builder-grade sealants, because Antioch’s 25-30 mph winds and 100-degree summers burn through the cheap spec in a few years. Call (936) 259-2607 for the exact written price difference on your project, and we’ll tell you straight whether the upgrade pays for itself.
Yes, garage conversions and ADU builds are common in the Hillcrest and Lone Tree Way corridor, but the lot’s clay behavior, setback rules, and drainage pattern need to be checked before we can give you a firm number. A garage conversion in Antioch runs $30,000 to $80,000, and an ADU typically lands between $90,000 and $220,000 depending on size, foundation work, and utility runs.
Call Penhallow Remodeling at (936) 259-2607 for a free estimate on your Antioch project. We put the price, the schedule, and the 365-Day Done Right Promise in writing before the first tool comes off the truck.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Antioch and the surrounding Bay Area corridor.