Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Phelan
Hiring a general contractor in Phelan means dealing with something most California homeowners never think about: county building permits instead of city ones, private well and septic setbacks, and structures that may or may not have been legal when they were built. We handle all of it. San Mateo Construction has worked on parcels from 92329 up through 92371, and we know the difference between a tract-home punch list in Hesperia and a 2-acre lot off Sheep Creek Road where the previous owner built a shop without pulling a permit. If you’re planning a kitchen remodel, a home addition, or an ADU out here, call us at (855) 901-7266. We’ll scope the job against the county’s actual requirements, not a generic checklist.
Why San Mateo Construction Is Phelan’s Preferred General Contractor Company
Phelan homeowners don’t need a contractor who has only built in tract subdivisions. They need someone who understands San Bernardino County Land Use Services, well and septic setbacks, and fire-hardening requirements that change what you can build and where you can put it. That’s the work we do regularly. Our General Contractor team manages the whole scope under one contract, from roofing and windows to cabinetry and ADU shells, so you’re not coordinating five different trades from five different phone numbers.
Noel Carrington leads our projects with a straightforward approach: we verify the county records on your parcel before we quote, we flag unpermitted structures early, and we tell you honestly what something costs in this market. That matters on Phelan acreage, where a surprise septic setback can turn a $45,000 addition into a $70,000 one if it’s discovered after rough-in. Our customers in Phelan and Piñon Hills tell us the same thing: the quote we give is based on the parcel’s actual conditions, not a best-case scenario.
Styles & brands we work with







General Contractor Services in Phelan
General Contractor Services in Phelan cover the full build envelope on rural acreage properties: whole-home remodels, room additions, garage conversions, and new ADU construction. Because homes here sit on wells and septic systems rather than municipal utilities, every addition or detached structure has to be sited against the county’s health department clearances, not just the building code. A typical kitchen remodel in Phelan runs $14,000 – $45,000 depending on cabinet tier, countertop choice, and whether you’re opening walls on an older ranch-style frame. Bathroom remodels land between $9,000 and $28,000.
Remodels and Additions on Acreage
Most Phelan remodels involve older ranch homes or manufactured structures on 1 – 5 acre parcels. The work itself is familiar: framing, drywall, cabinetry, flooring. What’s different is the access. Long driveways, soft sand, and equipment turnarounds affect material delivery and dumpster placement. We scope those logistics before we price, so the number holds.

ADUs, Shops, and Detached Structures
Detached ADUs and shop conversions are some of the most common projects we quote in Phelan. A garage conversion runs $30,000 – $80,000, while new ADU construction starts around $90,000 and can reach $220,000 for larger units with premium finishes. If the existing structure was never permitted, that’s a legalization step we handle first, before any new framing goes up.

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.
Construction Company in Phelan
As a Construction Company working across Phelan, we see the same pattern on nearly every larger parcel: an unpermitted shop, a guest quarters that started as a carport, a second dwelling someone built in the 1990s without county sign-off. That matters because the county’s amnesty process has to be resolved before you can pull a new permit on the property. We handle that coordination directly, which is not something you’ll get from an out-of-area builder who has never sat in the San Bernardino County Land Use Services office. Home additions in Phelan range from $45,000 to $130,000, and the biggest variable is usually what the county finds when we pull the parcel history.
Permit Amnesty and As-Built Gaps
We start every Phelan project by verifying what actually exists, not what the county thinks exists. If there’s an unpermitted structure, we map the as-built conditions, file the amnesty paperwork, and get the parcel cleared before new work begins. Skipping this step is how homeowners end up with stop-work orders.
Grading, Drainage, and Fire Hardening
Any addition or new build on open Phelan land has to account for slope, drainage, and defensible-space grading. The county’s fire codes here require Class A roofing, ember-resistant vents, and specific setbacks from chaparral. Those are not optional upgrades. They’re code, and we build them into the scope from day one.
Trusted Brands We Service in Phelan
Phelan homeowners deserve better than whatever brand the local yard happens to have in stock. We work with a curated portfolio of 50+ suppliers, so you’re choosing from PGT impact windows, James Hardie siding, and GAF or CertainTeed roofing rather than settling for whatever’s on the shelf. For kitchens, that means KraftMaid or Wellborn cabinetry, Cambria or Caesarstone countertops, and Kohler or Toto fixtures. For roofing, Tamko and Boral are options we spec regularly in the high desert, where UV and wind uplift chew through cheap materials fast. We help you choose based on your budget and the parcel’s exposure, not a sales quota.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Phelan Homes
- Unpermitted second dwellings and shops. On parcels over an acre, it’s more common than not to find a structure the previous owner built without county approval. The amnesty permit process has to be completed before any new work can be permitted, and we handle that as part of the scope.
- Well and septic setbacks blocking the addition. Your property has two permit overlays: the building department and the environmental health department. A bedroom addition can be rejected outright if it sits too close to the septic leach field, and we verify that before you spend a dollar on drawings.
- Roof and window failures from high-desert exposure. Roughly 4,000 feet of elevation means intense UV, wide temperature swings, and spring winds that hit 60+ mph. We see shingles cracked by sun, window seals failed from thermal cycling, and wind-uplift failures on older ranch homes, which is why we spec Class A roofing and PGT impact-rated windows here.
- Long material hauls blowing scope and schedule. Most of what you’ll need, from lumber to countertops, gets trucked up from the Victor Valley or down from the high desert suppliers. We build haul costs and lead times into the quote so you’re not surprised by a change order three weeks in.
Pricing for General Contractor in Phelan, CA
Phelan’s pricing reflects the county permitting layer, the haul distances, and the fire-hardening code requirements that don’t exist in Victorville or Hesperia. The table below shows current market ranges for the projects we quote most often out here.
| Project | Typical Phelan Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
Those ranges assume a permitted, compliant project. If your parcel has an unpermitted structure that needs amnesty, or if the well and septic setbacks force a redesign, the number moves. We tell you that before you sign, not after. Call (855) 901-7266 for a free estimate built on your parcel’s actual conditions.
We Also Serve Cities Near Phelan
San Mateo Construction works throughout the high desert and the San Bernardino County foothills. In addition to General Contractor in Phelan, we serve homeowners in Piñon Hills, Wrightwood, Oak Hills, and Hesperia. Each of those markets has its own permitting quirks, but the same county rules apply across the board.
Serving Phelan, CA — Our Local Coverage Area
We’re based in the Phelan 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 Phelan
A well has a minimum setback from any structure, and a septic system has a leach field that cannot be built over. In Phelan, those setbacks are enforced by San Bernardino County Environmental Health, not the building department. If your addition or ADU falls inside those lines, the county will reject the permit, which is why we verify setbacks before any drawings are finalized. Call (855) 901-7266 and we’ll check your parcel’s records as part of the free estimate.
Yes, but the shop has to be legalized first. The county offers an amnesty process for unpermitted structures, and we file that paperwork as part of the overall project scope. Once the as-built structure is brought to code and cleared, you can pull permits for the new build. This is routine on Phelan acreage, and it’s baked into our timeline, not an afterthought.
San Bernardino County requires Class A roofing, ember-resistant vents, and specific defensible-space grading in the wildland-urban interface zones that cover most of Phelan. Any new structure or major remodel must meet those standards. We spec materials like GAF and CertainTeed Class A shingles and fire-rated vent assemblies from the start, so your project passes inspection the first time.
Most Phelan projects require materials to be trucked from Victorville or further down the hill, and that haul cost shows up in the lumber, concrete, and finish allowance. Equipment access matters too, especially on parcels with long dirt driveways or tight turnarounds. We scope those logistics during the estimate, so the number you see reflects the real cost of building on your specific lot, not a generic suburban lot.
A draw schedule ties payments to completed milestones, so you’re not fronting the full project cost before work begins. On Phelan projects with permitting amnesty, septic setbacks, and fire-hardening requirements, the schedule also accounts for county inspections at each phase. We set the draw schedule before we start, and you’ll know exactly what gets paid when. Call (855) 901-7266 to walk through a sample schedule for your project.
If you’re planning a remodel, addition, or ADU on Phelan acreage, call San Mateo Construction at (855) 901-7266. We’ll scope your parcel against the county’s actual requirements, flag any unpermitted structures before they become problems, and give you a written quote that holds. Free estimates, no pressure, just the straight answer on what it takes to build in the high desert.
Written by Noel Carrington, Owner at San Mateo Construction, serving Phelan and the surrounding high desert communities.