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 Mountain View, CA | San Mateo Construction
We provide independent Ameristar service across Mountain View, from full kitchen and bathroom remodels that integrate your existing HVAC to complete roof replacements over Ameristar packaged units. The thing that makes our Ameristar work different here is local familiarity: we know the 1950s ranchers, the unpermitted past additions, and the clay soil you’re building on. Noel Carrington and our crew have worked Mountain View long enough to predict what’s behind the drywall before we open it. Call (855) 901-7266 for a free estimate whenever you’re ready.
Why Mountain View Residents Choose Us for Ameristar Service
We’re not a manufacturer-authorized Ameristar dealer, and we don’t pretend to be. San Mateo Construction is an independent general contractor, which means our recommendations are based on what’s actually in your walls and on your roof, not a sales quota. Noel grew up pouring concrete footings in Baywood with his father and studied construction technology at Skyline College before spending three decades running residential and commercial jobs across San Mateo County. That background matters when an Ameristar M4AC3 condenser is wired to the wrong circuit behind a remodeled wall, because we’ve seen it before and we know how to fix it the way the Mountain View building department wants it fixed. We handle the entire scope: roofing, windows, kitchen cabinetry, countertops, plumbing, fencing, hardscaping, and ADU construction. One contractor, every system, and the Ameristar equipment in the middle of it all stays running.
Styles & brands we work with
Common Ameristar Construction Problems We Solve in Mountain View
- Condenser fan motor failures on M4AC3 units near scrape-and-rebuild sites. When a neighboring lot gets torn down in the older 94040 and 94041 neighborhoods, the drywall dust and demolition grit travel. That dust settles into the condenser coil, clogs the fan motor windings, and the bearings wear out months before they should. We swap in OEM or spec-equivalent motors and recommend a coil cleaning schedule for homes near active teardowns.
- Refrigerant leaks at Schrader valves on M4HP4 heat pumps. Mountain View’s clay-heavy soil expands and contracts with winter rain cycles, and that movement strains refrigerant line sets run through slabs and crawlspaces. The first failure point is almost always the Schrader valve or a flare fitting. We pressure-test the whole run before recharging, because charging a leaking system is just paying for refrigerant you’ll lose again.
- Coil corrosion on M4RC3 rooftop units after a re-roof. If your 1950s rancher in 94041 is getting a new roof, the existing curb flashing around a packaged Ameristar unit is often reused when it shouldn’t be. Winter rain gets past the old flashing, sits on the coil, and corrodes it. We inspect curbs as part of every roof replacement and replace flashing with current-code details.
- Control board failures on M4AH3 air handlers from PG&E grid switching. Downtown Mountain View and the North Bayshore corridor see frequent utility switching as Google’s campus keeps expanding. Power surges hit residential panels hardest in the older neighborhoods, and the first casualty is often an air handler control board. We install surge protection at the disconnect when we replace a board.
- Undersized or shared electrical circuits feeding Ameristar equipment. We covered this above, but it bears repeating: past unpermitted additions in Mountain View often wired HVAC on circuits that shouldn’t exist. A 30-amp breaker sharing a condenser with an abandoned pool pump is not hypothetical here.
Ameristar Service in Mountain View: What Local Conditions Mean for Your Equipment
Here’s what you will not read on a generic Ameristar page. In the 94041 blocks of Mountain View, specifically the streets of single-story ranchers east of Castro, we routinely find unpermitted past additions that concealed illegal gas lines or undersized electrical feeds to the Ameristar HVAC equipment. The house looked fine on paper when it was sold, but the city of Mountain View keeps scrupulous records, and the Community Development department will not sign off on a second-story addition or major remodel until every buried code violation is corrected. On a teardown-rebuild in the 94041 ZIP, we opened a wall to frame a new second-story addition and found an Ameristar M4AC3 condenser wired to a 30-amp circuit shared with a long-abandoned pool pump, a classic unpermitted past-work surprise. We replaced the circuit with a dedicated 40-amp feed, relocated the unit to meet current setback rules, and the city signed off on the structural permit without a single correction notice. That’s the kind of institutional knowledge you get from a contractor who has been working Mountain View since before the North Bayshore boom, not from a seller who drops off a condenser and leaves.
Ameristar Models & Products We Service in Mountain View
We work across the Ameristar line that shows up in Mountain View homes and small commercial buildings: the M4AC3 series split-system air conditioner, the M4HP4 series heat pump, the M4RC3 series packaged rooftop unit, and the M4AH3 series air handler. Our parts approach is simple. Critical components like control boards and compressors get OEM Ameristar parts so your matched-system performance doesn’t drift. Capacitors and fan motors are where we’ll use quality aftermarket parts that meet or exceed OEM specs at lower cost. We keep common capacitors, contactors, and fan motors in our local stock so Mountain View calls don’t wait on a distributor. If your condenser is 12-plus years old with coil corrosion and compressor wear, we’ll tell you straight: replacement beats another repair, especially when you’re already pulling permits for a remodel. For more on our general Ameristar work, see Ameristar sales & service.
See the difference
Before
After
Before
After
Before
AfterAmeristar Service Pricing in Mountain View
| Project | Typical Range in Mountain View |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Roof Replacement | $8,000 – $20,000 |
| Home Addition | $45,000 – $130,000 |
Several factors move the number. The condition of the existing structure is the big one in Mountain View, because what’s behind the drywall determines how much corrective work the city will require before we can build what you actually want. Permits, plan check, inspections, and the occasional correction notice all add to the schedule. Our free estimate includes a walkthrough, an honest assessment of your Ameristar equipment, and a written line-item quote with no change orders once we agree on scope. Call (855) 901-7266 and tell us what you actually need, and we’ll figure out the right way to build it.
Serving Mountain View, CA — Our Local Coverage Area
We’re based in the Mountain View area and offer Home Remodeling – Mountain View services, and we 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 Mountain View
We replace the Ameristar unit as part of the same contract. You don’t need a separate HVAC contractor. Our team handles the equipment swap, the duct modifications, the electrical feed, and the city inspection under one permit package. For Mountain View homeowners who want full kitchen remodeling without juggling trades, this is the point of hiring us. Call (855) 901-7266 to schedule a walkthrough.
Dust intrusion is the usual suspect. Demolition dust from a scrape-and-rebuild in a Mountain View neighborhood travels farther than you’d think, and it clogs the condenser coil and shortens the fan motor’s life. We see this cluster in the 94040 and 94041 blocks every time a rancher gets torn down. We’ll clean the coil, test the motor windings, and if the bearings are shot, replace the fan motor with an OEM or spec-equivalent unit. Call (855) 901-7266 for an on-site diagnosis.
Often, yes. Older Mountain View homes from the 1950s and 1960s frequently have undersized electrical panels, and past unpermitted additions sometimes tapped circuits in ways that won’t pass inspection once you open the walls. Before we tile a bathroom or run a new vent line, we check the panel and the HVAC circuit feeding the Ameristar equipment. If the feed is undersized or shared, we correct it as part of the remodel scope. Call (855) 901-7266 and we’ll tell you what your panel can actually support.
Clay soil expands during wet winters and contracts during dry summers, and that movement strains refrigerant line sets run through slabs and crawlspaces. We account for it by sizing the line-set chase with slack, using vibration isolators, and pressure-testing the full run before charging any M4HP4 heat pump. It’s a local-build detail that matters more in Mountain View than in sandier parts of the peninsula. Call (855) 901-7266 to have us look at your addition plans.
The curb flashing on an M4RC3 packaged rooftop unit is the failure point. When rain gets past old flashing and sits on the coil, the coil corrodes and the unit loses efficiency or shorts out. On Mountain View commercial re-roofs, we replace the curb flashing with current-code details and inspect the coil before the new roof goes on, because fixing it after the roof is installed costs double. Call (855) 901-7266 before your re-roof starts.
Service Areas Near Mountain View
We serve Mountain View across the 94035, 94039, 94040, and 94041 ZIP codes. The same crew also covers Mountain View service area calls in neighboring parts of the peninsula, including San Mateo, Burlingame, Foster City, Belmont, and Hillsborough. We’re also set up for Ameristar service in Loyola and Ameristar service in Sunnyvale, so if your project straddles a city line, you still deal with one contractor.
Book Your Ameristar Service in Mountain View Today
If you’re planning a kitchen remodel, bathroom remodel, roof replacement, or addition in Mountain View and the Ameristar equipment is part of the picture, we’d rather talk before you start demo. Call (855) 901-7266 to schedule a free estimate. Tell us what you actually need, and we’ll figure out the right way to build it.
Written by Noel Carrington, Owner at San Mateo Construction, serving Mountain View and San Mateo County.