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
Ameristar Construction in Las Lomas, CA | San Bernardino Contractors
We provide independent Ameristar construction service across Las Lomas, from cabinet replacement and furnace work to full roof rebuilds. The thing that separates our Ameristar work here from anywhere else is simple: Las Lomas sits in unincorporated Monterey County, with no city building department, and every project has to account for private wells, septic systems, and valley fog that eats equipment faster than inland installs. If you need Ameristar cabinets, HVAC, or roofing work handled by one contractor who knows both the product lines and this specific slice of the Pajaro Valley, call (855) 473-5620 for a free estimate.
Why Las Lomas Residents Choose Us for Ameristar Service
We’ve installed and serviced Ameristar in Amesti and across the Pajaro Valley long enough to know the failure patterns that builder installs leave behind. We’re not a dealer and we’re not affiliated with Ameristar. That independence means our recommendations come from what actually holds up in Las Lomas conditions, not from a manufacturer program. Ruben Castillo, our owner at San Bernardino Contractors, spent his early years watching his uncle reroof houses and frame garages, then got serious about load paths and plans at San Bernardino Valley College. That background is why we look at an Ameristar furnace flue or a thermofoil cabinet door the way a roofer looks at flashing: we’re checking how the whole system behaves, not just swapping a part.
For Las Lomas homeowners, that matters. Most of the homes here are single-family detached places on large lots, many mid-century rural builds with original systems and outbuildings. When an Ameristar service in Corralitos or Las Lomas reveals a unit failing in an unconditioned addition, or a cabinet line peels after three fog seasons, you need someone who has seen exactly that combination before. We have.
Learn more about our Ameristar sales & service expertise or our Las Lomas service area coverage.
Styles & brands we work with







Common Ameristar Construction Problems We Solve in Las Lomas
- Thermofoil cabinet delamination. Ameristar oak and thermofoil door packages start peeling at the bottom edge and around the dishwasher. In Las Lomas, the winter fog and humid air push that peel earlier and make it creep further than it does inland. We remove the failing doors and drawer fronts, and if the boxes are sound, we reface or replace with materials that handle Pajaro Valley humidity better.
- Coastal corrosion on builder-grade condensers. Ameristar M4 and M2 series condensers on fog-belt lots corrode at the coil fins and contactor terminals years before their inland twins. The marine air sits on the equipment year-round. We clean and seal contactor terminals, replace rusted control boards with OEM parts, and tell you plainly if the shell is too far gone to justify another coil.
- Cracked heat exchangers in oversized furnaces. Ameristar M801P furnaces show cracked heat exchangers when the original unit was sized for a small rural house and the owner added square footage without a load recalculation. We measure the current duct and living space before replacing, not after.
- Gas valve and igniter failures in outbuildings. Ameristar furnaces that sit in detached garages, unconditioned additions, or converted outbuildings on Las Lomas lots get hit with moisture and rodent intrusion in the combustion compartment. We replace ignition parts with OEM Ameristar components and seal the cabinet the way a coastal install demands.
- Roof and flue conflicts on older rural houses. On mid-century Las Lomas homes, original roof lines often buried or crowded the Ameristar furnace flue terminations. When we re-roof, we correct the venting while the sheathing is open, so the new roof doesn’t create a new call next storm season.
Ameristar Service in Las Lomas: What Local Conditions Mean for Your Equipment
Las Lomas addresses sit in unincorporated Monterey County, and many lots near the Pajaro River and its sloughs carry clay-heavy soils with a seasonal high water table. That single fact changes what Ameristar work looks like out here. If you’re adding a room or an outbuilding that shifts rooflines or requires moving a condenser, a General Contractor – Las Lomas will make sure the project clears county review plus a drainage and siting check. A Watsonville city-permit job never faces that second layer. The clay holds water through wet winters, which means foundation waterproofing and drainage detailing sit at the center of the plan, not as an afterthought. We’ve handled enough Ameristar-served additions on these lots to know that moving a condenser means more than pouring a pad. It means placing the unit where fog and winter runoff won’t shorten its life again. If it’s not built right the first time, you’re just paying for it twice.
On a Pajaro Valley lot off Hall Road, our crew tore off a failing shingle roof over a mid-century rural house where the original decking had been wetted for years by winter fog and rain backing up at a shallow valley gutter. We re-sheathed the worst bays, re-detailed the gutter and fascia with proper drip edge and underlayment, and set a standing seam metal roof rated for the coastal weather. While the sheathing was open, we corrected the Ameristar furnace flue termination that had been buried under the old roof line. That homeowner got a roof that sheds the wet-season load and a properly vented Ameristar system instead of a repeat call the next storm.
Ameristar Models & Products We Service in Las Lomas
We service the Ameristar lines we see most across Pajaro Valley homes: the M4/M4AC and M2 series split system air conditioners and heat pumps, M1 single-stage condensers paired with M4AH air handlers, and the M801P and M951P gas furnace series. We also handle the Ameristar kitchen cabinetry lines, oak and thermofoil door packages included, that went into valley builder homes. For ignition, gas valve, and control-board repairs, we use OEM Ameristar parts. Where the OEM part is a rebadged commodity, we use quality aftermarket and say so. We keep common parts stocked for fast Las Lomas turnaround, because nobody wants a furnace sitting cold through a foggy valley night.
See the difference
Before
After
Before
After
Before
AfterAmeristar Service Pricing in Las Lomas
Pricing for Home Remodeling – Las Lomas and Ameristar work depends on scope, siting, and condition, but these ranges reflect what we’ve seen across San Bernardino County projects and apply to what we quote here:
| Service | Price Range |
|---|---|
| Roof Repair | $400 – $1800 |
| Roof Replacement | $8000 – $20000 |
| Metal Roof Installation | $15000 – $40000 |
| Kitchen Remodel | $14000 – $45000 |
| Bathroom Remodel | $9000 – $28000 |
What drives cost: the condition of the existing structure, whether county drainage review applies, how much re-sheathing or vent correction is involved, and whether we’re repairing controls or replacing a rusted-out shell. Every estimate is free and line-itemed, so you see exactly what you’re paying for. Call (855) 473-5620 to schedule yours.
Serving Las Lomas, CA — Our Local Coverage Area
We’re based in the Las Lomas 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 – Ameristar Construction in Las Lomas
Yes, it commonly is. When we re-roof a Las Lomas house with an Ameristar furnace vent that runs through or near the old roof line, we correct the flue termination while the sheathing is open. That’s the right time to do it. If the roof is not being replaced, we can still re-route the vent independently, but the cost drops when it’s folded into a roof project. Call (855) 473-5620 and we’ll give you a scope-specific answer.
Both, but the fog accelerates it. Thermofoil peels when heat and moisture repeatedly cycle against the door, and in Las Lomas the winter humidity and fog mean that cycle starts earlier and runs longer than inland. We can reface or replace the doors and drawer fronts while keeping the boxes if they’re still sound. Call for a free look.
Yes. Unincorporated Monterey County means no city building department, so the county handles review, and when you’re near the Pajaro River or its sloughs, the clay-heavy soils and seasonal high water table trigger a drainage and siting check. We handle that paperwork, but it does add a step a city-permit job in Watsonville wouldn’t face. Call (855) 473-5620 to get an estimate that includes the county review.
For a house in the Pajaro Valley’s fog and winter rain belt, metal roofing is often the right call, not overkill. It sheds water cleanly, handles wet-season loads without valley gutter backups, and holds up against the coastal weather that shortens shingle life here. We’ll tell you plainly if your roof line and budget don’t support it.
It can. If roof work changes ventilation or a remodel adds living space without a load recalculation, an already-undersized Ameristar system works harder and fails sooner. We recalculate load before we touch the unit, so you don’t replace a cracked heat exchanger or an overworked condenser without fixing the underlying sizing problem. Call (855) 473-5620 for a load check and quote.
Service Areas Near Las Lomas
We serve Las Lomas and the surrounding unincorporated and incorporated communities across the Pajaro Valley and San Bernardino County. That includes work for homeowners in Fontana, Bloomington, Rialto, Sunnyslope, Glen Avon, and Muscoy. If you’re near the valley or across the county line, we’re the same crew. See our Ameristar service in Pajaro and Ameristar service in Watsonville pages for neighboring coverage.
Book Your Ameristar Service in Las Lomas Today
One contractor handles the whole scope: Ameristar equipment, cabinetry, roofing, and the county paperwork that comes with building in unincorporated Las Lomas. Call (855) 473-5620 for a free estimate, and we’ll get you on the schedule.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving Las Lomas and the surrounding Pajaro Valley communities.