Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Rodeo
Finding a general contractor in Rodeo who understands both the work and the place is harder than it should be. We get it. Rodeo is not Hercules or Pinole. It’s an unincorporated community where permits go through Contra Costa County, where the marine fog off San Pablo Bay and the refinery next door change what materials make sense, and where most homes were built between the 1920s and 1950s with the deferred maintenance to prove it. Penhallow Remodeling puts the price and the guarantee in writing before a single board is pulled. Call (936) 259-2607 and you’ll get a real person, a straight answer, and a written number before work starts.
Why Penhallow Remodeling Is Rodeo’s Preferred General Contractor Company
We’ve walked enough Rodeo jobs to know what lives behind the siding. Older wood framing, pier-and-post foundations, and decades of refinery-area wear. Homeowners here have been burned before, by contractors who quoted one number and invoiced another. That’s a familiar story, and we built our process to end it. Every job gets a written price up front. Every job gets a written 365-Day Done Right Promise: if the work fails inside the guarantee period, we come back and fix it at no charge. No re-inspection fee. No argument.
Trevor Nash leads our team, and the standard he sets is the one we work to: say the price before the work, show up in the window we gave, leave the place cleaner than we found it. That’s The Kingswell Way, and it’s been operating since 2004. Rodeo homeowners also appreciate that our technicians are background-checked and uniformed. You know exactly who is walking into your home, every time. And when you call, a live person answers, 24/7. Not a voicemail. Not a callback window. A person.
General Contractor Services in Rodeo
General Contractor Services in Rodeo means we handle the whole job: scope, permits, scheduling, materials, subcontractor coordination, inspections, and the final walk-through. A homeowner here calls us when a kitchen is too cramped, a bathroom is falling apart behind the tile, or an addition makes more sense than moving. The county permit path is different out here, and we build that into the schedule from day one. On a half-acre lot off Parker Avenue, we framed a detached shop and took the load-bearing header and subfloor details through Contra Costa County plan check before ordering a single stick of lumber. The pier-and-post foundation and the septic setback both drove the site plan. Because marine fog and refinery fallout eat fasteners fast, we specified hot-dipped galvanized and stainless hardware throughout, and the county inspection sign-off cleared before we closed up the walls.
Kitchen and Bath Remodel Coordination
A kitchen remodel in Rodeo typically runs $14,000 to $45,000, depending on cabinet line, countertop material, and whether walls move. A bathroom remodel runs $9,000 to $28,000. We install Cambria quartz, which carries its own lifetime warranty alongside ours. That layered protection matters when you’re spending real money on a home that’s already weathered decades near the bay.

Room Additions and Detached Structures
We scope a home addition on a Rodeo lot differently than one in Hercules, because Rodeo means county permits. A home addition runs $45,000 to $130,000. An ADU runs $90,000 to $220,000. A garage conversion sits between $30,000 and $80,000. The septic and well setbacks on a larger lot can redraw a footprint before plan check is finished. We’d rather catch that before you’ve paid for anything.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Construction Company in Rodeo
Penhallow Remodeling operates as a Construction Company in Rodeo, which means we don’t just replace surfaces, we take responsibility for the structure underneath. That structure in Rodeo is often 70 to 100 years old, original wood framing, with a foundation that predates modern seismic codes. When a Rodeo homeowner wants a new kitchen, the first question isn’t about cabinets, it’s about what the floor joists are doing under the old linoleum. We inspect before we quote. Then we give you a written number.
Foundation, Framing, and Load-Bearing Work
Contra Costa County plan check wants drawings that show exactly how we’re handling load paths when a wall comes out or a second story goes on. We coordinate that. It slows the front end of a project, but it keeps the back end clean. No failed inspections. No surprise change orders.
Site Planning on Rodeo Acreage
Open lots mean more than just building. Grading, drainage, septic setbacks, well clearances, and utility rough-ins all change the price. A $130,000 addition on a small Hercules lot is a different job than a $130,000 addition on a half-acre Parker Avenue parcel that needs new drainage before the pad is even graded. We scope that before we quote, because the number on day one is the number on the invoice.
Trusted Brands We Service in Rodeo
We install materials from manufacturers that stand behind their products, because a guarantee is only as good as the stuff it covers. KraftMaid and Wellborn cabinetry. Cambria, Silestone, and Caesarstone countertops. Kohler and Moen fixtures. James Hardie siding. For Rodeo specifically, exterior fasteners and flashing matter more than most places. Salt fog and refinery particulate cut service life fast if you spec standard hardware. We don’t. On exterior work here we look at stainless and hot-dipped galvanized as standard practice, not an upgrade. Some Rodeo homeowners ask about prefab and panelized options from brands like Cover, Abodu, or Dvele. We’ve worked around those systems and can coordinate site work and utilities for them where they fit a lot, though we carry our own standard material lines in-house.
Common General Contractor Problems We See in Rodeo Homes
- County permitting stalls. Because Rodeo is unincorporated, permits run through the Contra Costa County Building Inspection Division. A homeowner who tries to skip ahead with a city-style permit package in mind watches the schedule slip while plan check asks questions that should have been answered at permit-pull. We build county review time into the schedule from the start.
- Corrosion from salt fog and refinery fallout. Fasteners, flashing, and roofing materials age faster here than even a few miles inland. A roof that would last 25 years in Pinole might start showing fastener rust in Rodeo well before that. We specify materials accordingly and tell you why.
- Septic and well setbacks redrawing site plans. A detached shop or ADU that looks perfect on paper can violate a septic or well setback once the county checks the plot plan. The footprint moves, and if you’ve already paid for materials or started the pad, that’s a change order. We pull the site plan before we order anything.
- Deferred maintenance hiding behind cosmetic surfaces. Rodeo’s housing stock is old, and the wear from the industrial-adjacent environment often hides behind walls and under floors. A bathroom remodel can become a rot repair once we open the substrate, which is the moisture-resistant layer behind your tile. We inspect before we quote so the number reflects reality.
Pricing for General Contractor in Rodeo, CA
Rodeo pricing reflects the county permit path and the condition of the existing structure. Here’s where real numbers land for the work we do most:
| Project | Typical Range in Rodeo |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
What moves the number? On acreage, the big drivers are grading, drainage, septic and well setbacks, and the cost of getting equipment and materials onto the lot. On smaller parcels, it’s the condition of the existing foundation and framing. Every Rodeo job gets a free, written line-item estimate. Call (936) 259-2607 and we’ll walk the property first. No charge. The number you get is the number you hold us to.
We Also Serve Cities Near Rodeo
Our General Contractor team works throughout the East Bay shoreline. Beyond General Contractor in Rodeo, we serve homeowners in Hercules, Pinole, El Sobrante, and Benicia. The permit offices differ, the county-versus-city rules differ, but the written price and the written guarantee stay the same. If you’re near the bay, we’re close enough to help.
Serving Rodeo, CA - Our Local Coverage Area
We’re based in the Rodeo 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 Rodeo
Rodeo is unincorporated, so all building permits and inspections run through the Contra Costa County Building Inspection Division, not a city hall. That means county plan-check timelines, county inspectors, and county scheduling. We build that into the project schedule before we quote. If you’re comparing us to a contractor who works mostly in incorporated cities like Hercules or Pinole, ask them how many Rodeo county permit packages they’ve actually pulled. The difference isn’t minor. Call (936) 259-2607 and we’ll tell you what the county will ask for on your specific lot.
Yes. The Phillips 66 San Francisco Refinery is directly adjacent to the community, and decades of particulate fallout plus salt-laden bay fog accelerate corrosion on roofing, siding, flashing, and metal components. Fasteners that last decades inland can fail here in years. We spec stainless and hot-dipped galvanized hardware on Rodeo exterior work as standard. It changes the material line item slightly, and it saves you a roof or siding failure down the road. For an exact material list on your project, call (936) 259-2607.
Setbacks dictate where a structure can sit relative to a septic tank, leach field, or well. The county checks this against your plot plan at permit review. If the footprint violates a setback, the structure moves, and if you’ve already ordered materials or poured a pad, that’s a change order. We pull site plans and run setbacks before we quote. It prevents expensive surprises. If you’re considering a shop or ADU on your Rodeo parcel, call (936) 259-2607 and we’ll check your lot’s constraints first.
A draw schedule ties payments to completed milestones, not to the calendar. For an ADU or addition in Rodeo, it typically breaks into plan check and permit pull, foundation and subfloor, framing and rough utilities, dry-in, and final inspection and close-out. Each draw releases only when the prior milestone passes. County inspections influence the timing between draws, so we sequence them realistically from the start. The full price and the draw schedule go in writing before work begins. To see what a real schedule looks like for your job, call (936) 259-2607.
Yes. A garage conversion or ADU without a permit creates problems when you sell, refinance, or insure the home. Unpermitted work also fails if the county discovers it, and the fix usually costs more than the original job. Contra Costa County requires permits for both. We pull them. The inspection pass is part of the job. If you’re weighing whether to permit your conversion or ADU in Rodeo, call (936) 259-2607 and we’ll explain exactly what the county will require on your property.
Get a Written Price Before Work Starts
Rodeo homeowners have enough surprises. The weather is one. The refinery is another. Your contractor’s invoice shouldn’t be one of them. We give you a written price before any work starts. We back the work with a 365-Day Done Right Promise in writing. We answer the phone with a live person, 24/7. Call (936) 259-2607 to schedule a free estimate. Trevor and the team will walk the property, listen to what you need, and hand you a number you can hold us to.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Rodeo, CA.







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