Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across San Diego
Hiring a general contractor in San Diego means trusting someone with your biggest asset, and that decision deserves more than a handshake. Mason Remodeling Co San Diego coordinates every acreage build, remodel, and addition from our San Diego office, so the person who answers your call at (619) 673-9302 actually knows what a canyon-rim lot in Rancho San Diego demands versus a coastal Craftsman in Ocean Beach. That local familiarity matters before the first grading plan is drawn, not after the permit gets kicked back.
Why Mason Remodeling Co San Diego Is San Diego’s Preferred General Contractor Company
We built our San Diego reputation the slow way: one written price, one verified crew, one job at a time. Homeowners from La Mesa to Lemon Grove have told us the same thing: knowing exactly who walks through the door changes how safe the whole project feels. Every Mason Remodeling technician is background-checked, identity-verified, and introduced to you by name and photo before arrival through The Threshold Standard. No surprises at the door, no strangers standing on your porch with a clipboard.
San Diego customers also get something rare in construction: a written price before any work starts. Not an estimate that grows once walls open up. A written number, every time, no exceptions. And our 365-Day Done Right Promise backs the craftsmanship for a full year from completion. If something’s not right, we make it right at no cost. That’s how a General Contractor should operate, and it’s why San Diego homeowners keep our number saved.
Isaac Pruett leads our San Diego team, and when he scopes an acreage build, he’s already thinking about county setbacks, drainage swales, and material haul routes before the quote leaves our office. That front-end work prevents the change orders that plague other contractors’ jobs.
Styles & brands we work with
Construction Company in San Diego
A Construction Company in San Diego working on acreage east of the city is dealing with a completely different set of rules than a city-lot remodeler. County permitting, septic and well setbacks, long material hauls, and open-lot drainage all change how the job is priced and scheduled. For a General Contractor in San Diego who takes on detached ADUs, shops, and full home additions in places like Jamul, Alpine, or Rancho San Diego, quoting without these line items is malpractice. A San Diego County ADU runs $106,200 – $259,600, and that range exists because every acreage parcel throws a different curveball: some need a 300-foot temporary power pole, others need a pumper truck that can reach a hillside septic tank.
County Permitting and Setback Reality
San Diego County requires well and septic setbacks of 100 feet and 150 feet respectively from any new structure. That rule doesn’t exist inside San Diego city limits, and it forces acreage builds to site the home, ADU, and shop around the leach field and wellhead before any grading plan gets approved. We scope this first, because moving a building pad after a permit rejection costs weeks and money.
Scoping Before Quoting
We walk every parcel before we write a number. Gradient changes, access width for concrete trucks, existing well output, and the distance from the septic tank all get measured. On a two-acre parcel off Wildcat Canyon Road, our crew scoped a 1,200-square-foot detached ADU with a KraftMaid kitchen and Moen fixtures, but the county permit review kicked back the first plan because the proposed slab sat 82 feet from the existing septic tank. We moved the building pad, re-punched the driveway swale for a 40-foot concrete culvert crossing, and wrote the well pump relocation as a separate change order so the allowance stayed honest from rough-in to inspection sign-off.
Remodeling Contractor in San Diego
A Remodeling Contractor in San Diego working on a mid-century stucco tract home in Clairemont is fighting a different beast than one doing a coastal renovation in La Jolla. The coastal canyon topography means erosion control on sloped lots, and the salty air from Pacific Beach to Imperial Beach accelerates corrosion on metal flashing and fasteners. For a kitchen remodel in San Diego, expect $16,520 – $53,100 depending on cabinet grade, countertop choice, and whether load-bearing walls move. A bathroom remodel runs $10,620 – $33,040. We write these ranges into every San Diego quote so you can self-qualify before we even schedule the walkthrough.
Energy Retrofits on 1950s – 60s Housing
In neighborhoods like Clairemont and Allied Gardens, the original single-pane aluminum windows and uninsulated stucco walls are common energy retrofit targets. Opening those walls often reveals hidden wood rot from decades of fog drip and occasional rain intrusion. We plan for that discovery, which is why our written price includes an allowance for typical rot repair rather than pretending the framing behind 60-year-old stucco is pristine.
Hillside and Canyon Rim Work
San Diego’s canyon rims create foundation conditions that a flat-lot contractor never sees. Some hillside homes need seismic retrofitting, others need drainage correction before any cosmetic work starts. A home addition on a slope in Mission Hills or Normal Heights runs $53,100 – $153,400, and much of that cost is below-grade: piers, retaining, grading, and drainage that keep the addition from sliding toward the canyon after the first winter rain.
Trusted Brands We Service in San Diego
We install and service specification-grade products from ViewLux, Therma-Tru, and ECO Window Systems across San Diego County. When you pick a Therma-Tru entry door or a ViewLux window package for your San Diego addition, we order directly through our supplier network and coordinate delivery to your parcel, whether that’s a cul-de-sac in Lemon Grove or a dirt road off Highway 94. Local parts access means fewer delays when a window arrives with a cracked sash or a door slab needs re-hanging before inspection.
See the difference
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AfterCommon General Contractor Problems We See in San Diego Homes
- Septic and well setback surprises. County rules force 100-foot well and 150-foot septic clearances, and many acreage owners don’t learn this until their first permit rejection. We survey these distances before we quote, so the building pad is sited legally the first time.
- Erosion control on open lots. A winter rainstorm can wash away an un-strawed building pad and trigger a county stop-work order for sediment leaving the site. That’s a week of rework and a $2,000 – $5,000 cleanup bill that never shows up in a city-grade quote.
- Well output that can’t handle the load. A five-gallon-per-minute well that passes for a house can fail when a 2,000-square-foot shop and ADU pull simultaneously. That means a $15,000 – $30,000 storage tank and booster pump after framing starts, unless you test during due diligence.
- Detached structures treated like garage conversions. County setback rules often force a fire-rated wall on the property line side, a 5-foot side-yard intrusion swap, and a separate meter panel. A detached shop or ADU is not a simple permitted shed, and we price it as its own structure.
Pricing for General Contractor in San Diego, CA
Honest numbers, in San Diego’s real market. These ranges reflect what we’ve scoped across the county this year, and they exist because every parcel and every existing structure changes the scope in ways a flat percentage mark-up never captures.
| Project Type | San Diego County Price Range |
|---|---|
| ADU Construction | $106,200 – $259,600 |
| Home Addition | $53,100 – $153,400 |
| Garage Conversion | $35,400 – $94,400 |
What moves the number: septic and well distances, access for material delivery, slope and soil conditions, whether you need a temporary power pole or water truck for dust control, and whether the existing structure needs seismic or rot repair. We walk the property, measure everything, then hand you a written price. Call (619) 673-9302 to schedule that free estimate. No verbal numbers that float, no allowances that balloon.
We Also Serve Cities Near San Diego
Our San Diego crews work daily in Coronado, National City, Lemon Grove, and La Mesa, and we coordinate scheduling from our San Diego office so a technician from the same vetted team handles your job from first walkthrough to final walkthrough. If you’re on a canyon lot in La Mesa or a beach-adjacent parcel in Coronado, the process is the same: written price, verified crew, one-year promise.
Serving San Diego, CA - Our Local Coverage Area
We’re based in the San Diego 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 San Diego
Because unincorporated county land triggers setbacks, septic and well distances, erosion control, and often a 300-foot temporary power pole or water truck for dust control that a city lot in Clairemont never faces. The county also reviews grading plans more strictly on open lots, and that front-end engineering and permit coordination adds cost before the first wall goes up. Call (619) 673-9302 and we’ll walk your parcel and explain exactly which line items apply to your property.
No, not as currently sited. San Diego County requires a 150-foot setback from any septic tank to any new structure. At 75 feet, you’d either move the pad or relocate the septic system, and we’d scope both options with written pricing before you commit. Call (619) 673-9302 for a free site walk to measure your actual distances.
Because a bare building pad on a slope will wash sediment downhill with the first winter rain, and San Diego County can issue a stop-work order if sediment leaves your property. We include straw wattles, silt fencing, and stabilized construction entrances in the quote so the project doesn’t stall mid-grade. Estimates for hillside work are free; call (619) 673-9302.
Typically five to seven draws tied to milestones: deposit and permit submission, grading and foundation, rough framing and roof, rough mechanical and electrical, drywall and finishes, then final inspection and punch list. We put the draw schedule in writing before the first check clears, so you know exactly what releases funds at each stage and what still needs to be complete before the next draw. For a detailed breakdown on your specific ADU, call (619) 673-9302.
Because a well that supplies a house fine may not sustain a second dwelling pulling water for showers, laundry, and fixtures simultaneously. If your well produces less than about five gallons per minute, you’ll likely need a storage tank and booster pump, which adds $15,000 – $30,000 to the job. We test or review your well log during due diligence so that number is in the written price, not a surprise after framing starts. Call (619) 673-9302 to schedule a well and site review.
Written by Isaac Pruett, Owner at Mason Remodeling Co San Diego, serving San Diego since 2004.
