Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Orinda
If you’re planning a remodel or addition in Orinda, you’re dealing with two things most Bay Area contractors don’t have to think about: Chapter 7A fire code and steep hillside engineering. Both change the real cost of the job, usually before a single wall comes down. We’re Penhallow Remodeling, and we write the price up front, in writing, with the permit path and grading scope already figured in. Call us at (936) 259-2607 and you’ll get a real person on the line, not a voicemail.
Why Penhallow Remodeling Is Orinda’s Preferred General Contractor Company
Orinda homeowners tend to be direct with us, and we like that. You’ve usually been through a remodel before, or watched a neighbor go through one, and you already know the horror stories: verbal estimates that doubled after demo, crews that ghosted for weeks, a tile shower that cracked the first winter. Trevor Nash built Penhallow Remodeling to answer that specific frustration. Every project gets a written price before any work starts, and a written 365-Day Done Right Promise on top of it. If something fails inside that year, we come back and fix it. No service call fee, no re-inspection charge, no argument.
Our crews are background-checked and uniformed on every job. When a Penhallow technician walks through your door off Rheem Boulevard or up the hill from Miner Road, you know exactly who’s in your home. And because Orinda sits entirely inside a Very High Fire Hazard Severity Zone, we’re used to pulling county permits with Chapter 7A requirements baked in from day one. That’s not a surprise line item on our bids. It’s the starting point.
We’ve worked on enough mid-century Orinda homes to know what’s behind the drywall: original wood siding, cripple-wall foundations, and the occasional notched framing member from a 1970s DIY project. We scope for that before we quote, so your number on day one matches the invoice at the end.
Remodeling Contractor in Orinda
A Remodeling Contractor in Orinda handles the work most homeowners don’t want to pull permits for themselves: kitchens, baths, additions, structural changes, anything requiring engineered drawings and county sign-off. Because Orinda’s lots are steep and the fire code is strict, you don’t just need someone who can swing a hammer. You need someone who can read a grading plan and write a scope that includes the drainage work and fire-resistant assemblies the county will flag at inspection. Kitchens in Orinda typically run $14,000 – $45,000 depending on cabinet line, countertop material, and how much structural work the existing wall framing needs. Bathrooms run $9,000 – $28,000. Whole-home remodels and additions start around $45,000 and climb with the lot’s slope.
Kitchen and Bath Remodels
Most Orinda kitchens were built for a different era: closed-off floor plans, low ceilings, original plumbing stacks that drain slowly. We open the walls, find what’s there, and give you a written change order before we close them back up. We install KraftMaid and Wellborn cabinetry, Cambria quartz countertops, and Moen or Kohler fixtures, brands whose own warranties work alongside our 365-day promise.
Whole-Home and Structural Work
A 1960s split-level off Camino Pablo might need foundation bolting, shear wall paneling, and a new roof assembly all on the same permit. We coordinate that as one scope, not three surprise invoices. The grading and drainage work Orinda hillsides require, the retaining walls, the slope stabilization, is what drives most of the cost, far more than tile selection or cabinet hardware.
Licensed General Contractor in Orinda
A Licensed General Contractor in Orinda is the difference between a permit that closes cleanly and a project that stalls at final inspection. Orinda’s building department checks for Chapter 7A compliance on re-roofs, additions, and exterior cladding changes, and they check the drainage and grading work on anything that touches soil. We hold a California general contractor’s license and pull every permit for the job in our name, including the county permits many flatland contractors have never seen. A home addition in Orinda typically runs $45,000 – $130,000. An ADU on an Orinda acreage lot runs $90,000 – $220,000, and the septic setback or well distance alone can move that number by tens of thousands before you pour a footing.
County Permits and Chapter 7A
Orinda’s permits go through Contra Costa County, not a city building office, and the county enforces WUI fire-resistance standards on a large share of the work. That means Class A roofing, ember-resistant vents, ignition-resistant siding, and enclosed eaves on additions and significant re-roofs. We pull those requirements into the bid, not after inspection.
Septic and Well Setbacks
Detached shops, outbuildings, and ADUs on Orinda acreage run into septic and private water well setback rules that dictate where a structure can sit on the lot. We survey that before we quote. If your future shop site sits too close to a leach field, we tell you on day one, not after the pad is graded.
Trusted Brands We Service in Orinda
Penhallow Remodeling installs and services renovation work around products from General Contractor-grade trade brands, and we stock common replacement materials for Orinda’s older housing stock locally, which keeps turnaround short on repairs. That includes KraftMaid and Wellborn cabinetry, Cambria and Silestone countertops, James Hardie siding, and Kohler and Moen plumbing fixtures. When your job calls for a modular or prefabricated component, we evaluate options from companies like Abodu and Cover, whose panelized ADU systems can shorten site time on flatter Orinda lots. If you already have a Dvele or Mighty Buildings home or accessory structure and need a general contractor to handle the site work, utilities, or finish scope, we’re set up for that Orinda work too.
Common General Contractor Problems We See in Orinda Homes
- Original wood-shake roofs under composition. The 1960s roof is still there under two layers of shingles. When we re-roof, code requires conversion to a Class A assembly, which triggers new soffit vents, fascia, and often new cladding on the same permit. We catch it in the bid, not at inspection.
- Cripple-wall foundations that never got seismic retrofits. These short perimeter walls under the main floor are common in Orinda’s ranch and split-level stock. Adding a room or cutting a new opening can require bolting and shear paneling before the county signs off.
- Steep-lot drainage that sends winter rain under the house. Orinda’s summer heat dries out slopes, and winter storms push significant water into drainages. If we’re doing any ground-disturbing work, we’re scoping drainage and slope stabilization with it, because the county will require it anyway.
- Notched or hacked framing from old DIY work. We opened a 1963 crawl-space house off Rheem Boulevard for a kitchen gut and found a load-bearing wall that had been notched decades earlier. We sistered the compromised framing, roughed in the plumbing and electric, and walked the owner through a written change order before we closed the walls.
Pricing for General Contractor in Orinda, CA
Orinda bids run higher than neighboring flatland cities, and for honest reasons: fire code, slope, and county permitting. That doesn’t mean the number should be a mystery. Here are the ranges we quote in Orinda for the most common scopes:
| Project | Typical Orinda Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
What moves the number: the lot’s slope, whether the county requires an engineered foundation or retaining wall, the seismic work the existing framing needs, and the Chapter 7A assemblies on any exterior or roof scope. We put all of that in writing before you sign. Call (936) 259-2607 for a free, written estimate on your Orinda project.
We Also Serve Cities Near Orinda
Penhallow Remodeling serves Orinda homeowners plus the surrounding hills and flatlands: Lafayette, Moraga, Piedmont, and Walnut Creek. Each has its own permitting quirks and housing stock. Our team knows the difference between an Orinda hillside and a Walnut Creek flat lot, and we quote them accordingly.
Serving Orinda, CA - Our Local Coverage Area
We’re based in the Orinda 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 Orinda
An Orinda bid runs higher because the fire code and the slope both add scope you won’t have on a flat Walnut Creek lot. Chapter 7A compliance adds Class A roofing, ember-resistant vents, and ignition-resistant cladding on exterior work. A hillside lot adds engineered foundations, grading permits, retaining walls, and drainage. Those are real, required costs. We line them out in the written bid so you can compare them, item by item, to a flatland quote. Call (936) 259-2607 and we’ll walk through your specific property.
Yes, and usually more than one. A detached ADU or shop on Orinda acreage needs county building permits, and depending on the site, a grading permit, a drainage plan, and fire district clearance for access. Septic and well setback rules from the county environmental health department can dictate where the structure sits on the lot. We pull all of it, in our name, and give you a written scope before you pay for drawings. Call (936) 259-2607 for specifics on your parcel.
Our written scope covers the full project as we’ve priced it: materials with named brands, structural work including framing repairs, the permit path with Chapter 7A assemblies if they apply, and the drainage and grading work the county will require on a hillside. It’s not a range. It’s a number. If we open a wall and find hidden damage, you get a written change order before we proceed, not a six-figure surprise at the end. Call (936) 259-2607 for a free written estimate.
We planned for it. Wood-shake cannot be replaced in kind under Chapter 7A, so if your 1960s Orinda home still has the original shake under the composition layers, the re-roof becomes a full assembly swap: structural sheathing, Class A roofing, ember-resistant soffit vents, and often new fascia and cladding on the same permit. We scope that conversion in the original bid, not as a change order. When we do open the roof and confirm the condition, you’ll already know the number.
Yes, and we’ll tell you the real cost before you fall in love with a floor plan. A sloped Orinda lot usually needs a retaining wall or an engineered pad, plus over-excavation for drainage, which adds $15,000 – $40,000 before the structure starts. We walk the site with you, identify where the county will let the structure sit, and give you a written number that includes the grading and the design work. Call (936) 259-2607 and we’ll meet you on the lot.
Call Penhallow Remodeling at (936) 259-2607 for a free estimate on your Orinda project. Written price. Written guarantee. A real person on the line.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Orinda and the surrounding hills.







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