Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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Before
AfterConstruction in Martinez, CA
Roofing in Martinez runs $400-$20,000 depending on scope, with most repairs falling under $1,800 and full replacements between $8,000-$20,000. The combination of pre-1940 housing stock, Carquinez Strait wind exposure, and expansive Altamont clay soils makes construction here materially different from newer East Bay cities. We quote every job with a flat written price before work starts. Call (510) 686-6370 to schedule your free estimate.
Why Martinez Homes Are Different
Martinez carries one of the oldest building stocks in the East Bay, incorporated in 1876 with a dense core of late-Victorian, Craftsman, and early-20th-century commercial structures. The downtown flatlands and lower hillsides are filled with pre-1940 balloon-frame and pier-and-post construction that predates modern seismic codes, making foundation upgrades and soft-story retrofits a routine part of our work. The city sits directly on the Carquinez Strait, where delta winds funnel inland with more force than contractors encounter a few miles south in Concord or Pleasant Hill, accelerating moisture intrusion and raising wind-load requirements for roofing and exterior work. On the upper slopes, the Altamont clay soils swell and shrink dramatically between wet winters and dry summers, producing chronic foundation heave, cracked flatwork, and failing retaining walls that we inspect for on virtually every hillside project. Historic-sensitive renovation, seismic retrofitting, and lead or asbestos abatement are common here in ways they rarely are in neighboring cities built after 1960.
Our Main Martinez Services
Most Martinez homeowners who call us start with kitchen or bathroom renovation, or they’re exploring an ADU on a hillside lot where clay soils and setback rules complicate the foundation scope.
Kitchen Remodeling in Martinez
Kitchen remodeling in Martinez often involves opening up cramped pre-war layouts while navigating lead-safe work practices in homes built before 1978. We see a lot of original pier-and-post foundations that need sistering or seismic anchoring before cabinetry loads change. Our crews document the existing framing, substrate, and plumbing with a photo record before demolition starts, and every quote includes a written scope with flat pricing under Clause 1 of the Haven Standard. Kitchen Remodeling in Martinez covers cabinet installation through full gut renovations with island additions.
Bathroom Remodeling in Martinez
Bathroom remodeling here means working in tight footprints with galvanized supply lines, unvented crawl spaces, and tile membranes that have failed from decades of delta moisture cycling. We replace the substrate only after documenting its condition, and we quote Kohler or Toto fixture packages with line-item pricing so you can compare against other estimates. The 365-Day Done Right Promise applies to every bath renovation we complete in Martinez. Bathroom Remodeling in Martinez details walk-in showers, tub-to-shower conversions, and full bath renovations.
Home Additions & ADU in Martinez
Home additions and ADU construction in Martinez require particular attention to hillside grading, clay soil expansion, and the city’s historic district overlay in the downtown core. We engineer foundations for the Altamont soil profile and pull permits with full documentation, including geotechnical reports where the site plan warrants them. Every addition is quoted with a flat price, written scope, and signed change-order discipline that has kept our projects within a few percent of the agreed number across 4,000-plus jobs. Home Additions & ADU in Martinez covers garage conversions, second-story additions, and detached ADUs.
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.
Before
AfterRoofing in Martinez
Roofing in Martinez faces sustained wind loads from the Carquinez Strait that accelerate shingle fatigue and test flashing integrity at valleys and penetrations. The pre-1940 housing stock often carries multiple shingle layers over original wood shake, and the marine moisture here produces wood rot in sheathing that drier inland cities simply don’t see at the same rate. We approach every roofing project with wind-rated materials and a documented photo record of deck condition, layer count, and substrate integrity. Roofing covers our full trade scope across the Bay Area.
Roof Repair
Signs you need it
Lifted shingles at the ridge, granule loss in the gutters, or water stains on the ceiling after a delta wind event.
What it costs in Martinez
Roof repair in Martinez typically runs $400-$1,800 depending on the extent of decking damage and whether flashing replacement is required.
How we do it
We remove the affected shingles to expose the substrate, photograph the deck condition for your record, replace rotted sheathing, install new underlayment and shingles, and seal all penetrations with manufacturer-specified products.
Roof Replacement & Installation
Signs you need it
Two or more layers of roofing, widespread curling or cracking, or active leaks in multiple rooms after winter storms.
What it costs in Martinez
Roof replacement in Martinez ranges from $8,000-$20,000 for standard asphalt architectural shingles, with metal roof installation running $15,000-$40,000.
How we do it
We strip to bare deck, document every sheet of sheathing, replace compromised substrate, install synthetic underlayment and ice barrier per code, and finish with GAF or Owens Corning shingles rated for the local wind exposure.
What Roofing Costs in Martinez
| Item | Typical range in Martinez |
|---|---|
| Roof repair | $400 - $1,800 |
| Roof replacement | $8,000 - $20,000 |
| Metal roof installation | $15,000 - $40,000 |
How long does a roof replacement take in Martinez?
Most residential roof replacements in Martinez take 2-4 days, with an extra day if we encounter multiple shingle layers or rotted sheathing common in pre-1940 homes. We pull permits and schedule inspections before the crew arrives so the job isn’t held up. Call (510) 686-6370 for a written timeline with your free estimate.
Do you handle wind-damage insurance claims for roofing in Martinez?
We document storm damage with our standard photo record and provide a written scope and flat price for the insurance adjuster, though we do not negotiate claims directly. Our line-item quotes make the comparison straightforward. Call (510) 686-6370 and we’ll review any existing estimate at no charge.
Windows & Doors in Martinez
Windows and doors in Martinez must withstand higher wind loads than inland Contra Costa cities, and the pre-1940 housing stock presents rough openings that are rarely square, often with settled framing from pier-and-post foundations. The marine moisture cycling here degrades sill plates and jambs faster than in drier climates, so we inspect for concealed rot before quoting replacement. Windows & Doors details our full product range and installation standards.
Window Replacement
Signs you need it
Single-pane glass with condensation between panes, operable sashes that stick or won’t lock, or visible rot in the sill from moisture wicking up from the exterior.
What it costs in Martinez
Window replacement in Martinez ranges from $4,500-$15,000 for a typical home, with impact window installation running $8,000-$25,000 where wind exposure is severe.
How we do it
We measure each rough opening, document the existing frame condition with photos, install new construction or replacement windows with proper flashing integration, and seal the air gap with low-expansion foam and exterior caulk.
Impact Windows & Doors
Signs you need it
Homes on exposed hillsides facing the Carquinez Strait, repeated seal failure in standard windows, or homeowner preference for laminated glass that resists wind-borne debris.
What it costs in Martinez
Impact window installation in Martinez typically costs $8,000-$25,000 depending on opening count and whether door conversions are included.
How we do it
We specify laminated impact-rated units with reinforced frames, install with structural fasteners rated for the higher wind load, and integrate continuous flashing to prevent the moisture intrusion that standard installations miss.
What Windows & Doors Costs in Martinez
| Item | Typical range in Martinez |
|---|---|
| Window replacement | $4,500 - $15,000 |
| Impact window installation | $8,000 - $25,000 |
Should I get impact windows if I live on the Martinez hillside?
Impact windows are worth considering for hillside homes with direct Carquinez Strait exposure, where delta winds carry debris and test standard glazing repeatedly. The laminated glass also reduces noise from the strait traffic. Call (510) 686-6370 and we’ll assess your specific wind exposure with a free written quote.
Do you replace rotted window sills in old Martinez homes?
Yes, we replace rotted sills and sister damaged framing as part of window replacement, with the condition documented in your photo record before work starts. This is common in pre-1940 balloon-frame construction. Call (510) 686-6370 for a free estimate that includes substrate repair if needed.
Fence Installation in Martinez
Fence installation in Martinez requires attention to the expansive Altamont clay soils that heave post footings and shift gate alignments within a single season. The hillside lots common in the upper city also demand retaining-wall coordination and drainage planning that flatland fence jobs simply don’t need. We engineer post depth and concrete specification for the soil profile, not a generic standard. Fence Installation covers our full materials and methods.
Vinyl Fence
Signs you need it
Homeowners wanting a low-maintenance boundary with clean sight lines, especially on sloped lots where wood warps and requires frequent re-staining.
What it costs in Martinez
Vinyl fence installation in Martinez ranges from $3,500-$9,000, with pricing varying by slope complexity and soil conditions that affect post-footing depth.
How we do it
We set posts in concrete engineered for clay soil expansion, rack or step the panels to follow grade without gapping, and verify gate swing clearance after a full soil-moisture cycle.
Aluminum Fence
Signs you need it
Pool enclosures, ornamental perimeter fencing, or hillside properties where corrosion resistance and light weight reduce structural load on retaining walls.
What it costs in Martinez
Aluminum fence installation in Martinez typically costs $4,000-$10,000 depending on height, picket style, and the engineering required for slope integration.
How we do it
We core-drill or excavate post holes to depth calculated for the hillside soil profile, set posts with specified concrete and gravel drainage, and attach panels with concealed fasteners that allow thermal expansion without loosening.
What Fence Installation Costs in Martinez
| Item | Typical range in Martinez |
|---|---|
| Vinyl fence installation | $3,500 - $9,000 |
| Aluminum fence installation | $4,000 - $10,000 |
Will my fence posts heave in the Martinez clay soil?
Standard post depth often fails in Martinez’s Altamont clay; we set posts below the frost-heave line with concrete specified for expansive soil and verify alignment after the first wet season. Call (510) 686-6370 for a free estimate with soil-specific engineering.
Can you install a fence on a steep Martinez hillside?
Yes, we install stepped or racked fencing on hillside lots with retaining-wall coordination and drainage planning to prevent undermining. The slope adds labor and material compared to flat grades. Call (510) 686-6370 for a written quote with grade-specific details.
Driveway & Pavers in Martinez
Driveway and paver work in Martinez is shaped by the same Altamont clay that cracks flatwork and heaves retaining walls across the city’s hillside neighborhoods. The pre-1940 flatlands present their own challenge: original driveways poured without reinforcement or control joints, now spider-webbed with settlement cracks. We specify base depth and reinforcement for the soil profile, not a generic specification. Driveway & Pavers details our full scope from concrete to Belgard and Techo-Bloc pavers.
Paver Driveways
Signs you need it
Cracked asphalt or concrete with subsidence, homeowners wanting permeable surface options, or properties where the clay soil heave makes rigid pavement a recurring repair.
What it costs in Martinez
Paver driveway installation in Martinez ranges from $7,000-$18,000, with the upper end reflecting hillside grading and the deeper base required for clay soil stability.
How we do it
We excavate to depth calculated for the soil expansion profile, install geotextile and compacted aggregate base in lifts, set Belgard or Techo-Bloc pavers on bedding sand, and edge-restrain with concrete or aluminum spiking.
Concrete Driveways & Concrete Work
Signs you need it
Original unreinforced concrete with extensive cracking, spalling from de-icing or moisture cycling, or a new driveway on a property where the old slab has settled unevenly.
What it costs in Martinez
Concrete driveway installation in Martinez typically costs $4,500-$12,000, with replacement jobs running $5,000-$14,000 where removal and disposal of the old slab is required.
How we do it
We remove the existing slab, document subgrade condition, install compacted base and steel reinforcement, pour with control joints spaced for the clay soil movement, and finish with a broom or exposed aggregate per your specification.
What Driveway & Pavers Costs in Martinez
| Item | Typical range in Martinez |
|---|---|
| Paver driveway installation | $7,000 - $18,000 |
| Concrete driveway installation | $4,500 - $12,000 |
| Driveway replacement | $5,000 - $14,000 |
Why does my Martinez driveway keep cracking?
The Altamont clay beneath Martinez swells when wet and shrinks when dry, exerting pressure on rigid concrete that lacks adequate base depth or control joints. We engineer for this soil profile with deeper base, reinforcement, and joint spacing calculated for the movement. Call (510) 686-6370 for a free assessment and written repair quote.
Are pavers better than concrete for Martinez hillsides?
Pavers tolerate more differential movement than monolithic concrete because the joint sand allows minor flexing without cracking, which is why we often recommend them for hillside lots with active clay heave. The upfront cost is higher but the repair frequency drops. Call (510) 686-6370 for a line-item comparison.
Brands We Service in Martinez
We stock and install across fifty-plus vetted brands including Kohler and Moen fixtures, Cambria and Caesarstone surfaces, GAF and Owens Corning roofing, and Belgard and Techo-Bloc hardscape products. Most common replacement parts are available within 24-48 hours through our Bay Area supply chain. See our brands for the full list.
Pricing for Construction in Martinez, CA
| Service | Typical range in Martinez |
|---|---|
| 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 |
| Roof replacement | $8,000 - $20,000 |
| Roof repair | $400 - $1,800 |
| Metal roof installation | $15,000 - $40,000 |
| Window replacement | $4,500 - $15,000 |
| Impact window installation | $8,000 - $25,000 |
| Vinyl fence installation | $3,500 - $9,000 |
| Paver driveway installation | $7,000 - $18,000 |
Prices in Martinez trend toward the upper end of these ranges when hillside grading, clay soil remediation, or historic-district compliance is required. Under Clause 1 of the Haven Standard, every project receives a flat written price before work starts, with no change proceeding without a signed change order.
Neighborhoods We Serve in Martinez
We work across Martinez’s full residential footprint, from the historic downtown flatlands to the upper hillside developments. Crews are dispatched from our Bay Area office with materials staged for the specific soil and wind conditions of each area.
- Downtown Martinez (historic district)
- Lower Alhambra Valley
- Upper Alhambra Valley
- Hidden Lakes
- Martinez Heights
Service Area - Cities Near Martinez
Rowan Construction Group serves Martinez and surrounding Contra Costa County communities including Pleasant Hill, CA, Lafayette, CA, Concord, CA, and Walnut Creek, CA. Scheduling and dispatch are coordinated from our San Francisco Bay Area office with crews assigned to local routes.
Serving Martinez, CA - Our Local Coverage Area
We’re based in the Martinez 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 Construction in Martinez
Yes, the City of Martinez requires permits for roofing, window replacement, fencing over six feet, and any structural work including ADUs. We pull permits and schedule inspections as standard on every job, with the permit cost itemized in your written quote so there are no surprises.
Homes built before 1978 in Martinez may contain lead-based paint, and pre-1980 construction can have asbestos in flooring, siding, or insulation. We test before disturbing materials and follow abatement protocols when required, with the work documented in your photo record and priced in the original quote whenever possible.
A live person answers 24/7, and we schedule a site visit where a background-checked, uniformed technician documents conditions with photos and delivers a flat written price with line-item scope within 48 hours. The estimate includes our 365-Day Done Right Promise and a free second-opinion offer on any competitor’s written quote.
Call (510) 686-6370 to schedule your free estimate. Every project starts with a written price, a documented photo record, and the Haven Standard.
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 Martinez Customers Say
"They found an old septic line under the driveway run and stopped, documented it, and re-quoted before continuing."
- Xavier L."Fence and retaining wall along a sloped boundary. They photographed the footing depth at each post, which mattered when the county inspector came."
- Iona F."Talked us out of the larger scope we came in asking for, because it would not have added the value we thought."
- Emil R.