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 Home Remodeling Across Glen Avon
Home remodeling in Glen Avon means working on homes most contractors don’t fully understand. We’re talking about 1950s – 1970s ranch-style houses on half-acre lots, original plumbing and electrical panels, septic systems, and county building codes that differ from the incorporated cities next door. A kitchen remodel here isn’t the same job as one in Eastvale. It requires a contractor who knows Riverside County’s unincorporated requirements, which inspectors to expect, and what’s actually behind the walls. Square One Builders manages every phase under one contract, so you’re not coordinating three trades while your kitchen sits gutted. Call (877) 688-9930 to talk about your project.

Why Square One Builders Is Glen Avon’s Preferred Home Remodeling Company
We’ve spent years working in the 92509 zip code, from older homes off Rutile Street to newer infill construction near the Jurupa Valley edge. Homeowners in Glen Avon tend to ask the same questions: what happens when you open a wall and find knob-and-tube wiring, who pulls the county permits, and how long will inspection sign-off actually take. We answer those straight because we’ve lived them. Our licensed general contractor model means one accountable team, not a rotating cast of subs you never see twice. When you call, you talk to someone who knows that a Glen Avon remodel often triggers separate permits for septic work or equestrian structures, and who budgets time for that reality instead of hoping it goes away. Brent Calloway leads the company, and he’s been clear since day one: we spec materials from 50+ brands across roofing, cabinetry, countertops, windows, and hardscaping, so the quality decision is yours, not ours by default.
Styles & brands we work with







Home Remodeling Contractor in Glen Avon
A Home Remodeling Contractor in Glen Avon handles the full scope: demolition, structural work, plumbing, electrical, cabinetry, countertops, flooring, windows, and finish work, all under one agreement. Homeowners here call us when a ranch house finally needs a real kitchen, when a bathroom has outlived its 1970s tile, or when an addition makes more sense than moving. A typical kitchen remodel in Glen Avon runs $14,000 – $45,000. A bathroom remodel lands between $9,000 and $28,000. The range depends on what’s behind the walls, which we won’t know fully until we open them. That’s why our written quotes include allowances for code-triggered upgrades, and any surprise gets priced and approved in writing before we proceed.
Older Home Structural Work
Homes built before 1980 in Glen Avon often have undersized framing by today’s standards. When a new island or a load-bearing header goes in, the existing studs and joists sometimes can’t support the load. We stop, document what we found, and write a change order with a fixed price. No work resumes until you approve it.
Septic-Aware Remodel Planning
Many Glen Avon properties still run on septic systems, and any remodel that touches plumbing can trigger a county requirement to inspect or repair the septic line. We check this during planning, not after demolition. The last thing you want is a finished bathroom and a failed septic inspection holding up your certificate of occupancy.
Home Remodeling Companies in Glen Avon
Most Home Remodeling Companies in Glen Avon work one trade: kitchens, bathrooms, or exterior work. Square One Builders is a general contractor covering all of it. That matters here because Glen Avon homes rarely have one isolated problem. A 1960s ranch house on a large lot might need a new roof, updated electrical panel, a kitchen remodel, and a paver driveway for the horse trailer. We coordinate that under a single contract with a single schedule. You’re not hiring a roofing crew in March and hoping the window company shows up in April. One call, one team, one order of operations. A home addition in Glen Avon typically runs $45,000 – $130,000 depending on square footage and site conditions. We’ll walk the property, check the grading, check the septic layout, and give you a number that accounts for what’s actually there.
Full-Scope Project Management
From initial demolition to final finish, our team handles permits, scheduling, material ordering, and trade coordination. Homeowners tell us the biggest relief is not managing six phone numbers. We take that off your plate, and we do it from the ground up.
Material Selection With a Brain
We carry access to roofing brands like Owens Corning and CertainTeed, cabinet lines like KraftMaid and Wellborn, and countertop lines like Cambria and Silestone. But the brand list isn’t the point. The point is that we spec the right material for your project, your budget, and Glen Avon’s climate, not whatever’s left in a warehouse.
Trusted Brands We Service in Glen Avon
We work directly with manufacturers to source materials that hold up in Glen Avon’s hot, dry summers and Santa Ana wind events. Roofing portfolios include CertainTeed, Owens Corning, and IKO, with options at multiple price tiers so you’re not forced into one brand. The same applies to windows, siding, and hardscaping. Because we order directly through our supplier network, we can often source materials for Glen Avon jobs without the delays that hit retail channels during peak season. When you’re halfway through a kitchen remodel and need a specific cabinet line, that sourcing speed matters.

See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Glen Avon Homes
- Knob-and-tube wiring behind walls: On a 1960s ranch home off Rutile Street, our crew opened a kitchen wall to find knob-and-tube wiring and undersized framing that wouldn’t support the new island. We stopped work, wrote a change order with a fixed price, and got approval before proceeding. The homeowner appreciated that the surprise didn’t blow the budget.
- Undersized or damaged framing: Older Glen Avon homes were built to different load standards. When you remove a wall or add a second story, the existing framing may not meet current code. We inspect structural members before we commit to a plan, not after the drywall comes down.
- Failed waterproofing in bathrooms and kitchens: Once we demo a 1960s shower or a kitchen backsplash, we often find rotted subfloor or compromised waterproofing behind it. That triggers a code upgrade and an inspection sign-off delay. We expect this with older Glen Avon homes and include a contingency allowance in the written quote.
- County inspection bottlenecks: Glen Avon’s unincorporated status means inspectors may be less familiar with the area’s older, non-standard construction. We budget extra time for inspection sign-off and schedule work so that permit delays don’t idle your whole project.
Pricing for Home Remodeling in Glen Avon, CA
Here’s what you can expect to budget for common projects in Glen Avon. These ranges are specific to the 92509 market and reflect the realities of older housing stock, county permits, and current material costs.
| Project | Typical Glen Avon Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
What moves these numbers: the age of your home, whether we discover outdated wiring or damaged framing, whether your property is on septic or sewer, and the materials you choose. A kitchen remodel with Cambria countertops and KraftMaid cabinets will land differently than one with mid-tier options. Every quote from us is a written, line-item estimate. We don’t give a range and then jack it up later. Call (877) 688-9930 to schedule your free estimate and get exact numbers for your specific house.
We Also Serve Cities Near Glen Avon
Square One Builders regularly works in Glen Avon and the surrounding communities, including Pedley, Sunnyslope, Rubidoux, and Riverside. If you’re in one of those areas and planning a Home Remodeling project, the same full-scope team and the same straight answers apply. Our familiarity with Jurupa Valley’s patchwork of incorporated and unincorporated codes carries across the whole region.
Serving Glen Avon, CA — Our Local Coverage Area
We’re based in the Glen Avon 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 Home Remodeling in Glen Avon
Yes, in most cases a septic repair or upgrade triggers its own Riverside County permit, separate from the building permit for your remodel. Glen Avon’s unincorporated status means the county environmental health department reviews septic work, not the same inspector handling your framing and electrical. We coordinate both permit tracks in parallel so one doesn’t stall the other. Call (877) 688-9930 and we’ll check your property’s specific septic setup before you commit to a plan.
Expect a code-triggered electrical upgrade once we open the walls. A 1950s home in Glen Avon often has ungrounded circuits, a small panel, or knob-and-tube remnants. If the county sees it, they’ll require it be brought to current code before we close the wall. We’re prepared for this and include a realistic electrical allowance in your written estimate, so the final number doesn’t surprise you. Call (877) 688-9930 to walk through what your specific home likely needs.
We stop work, document what we found, write a change order with a fixed price, and get your signed approval before any new work begins. You never pay for a surprise you didn’t approve. This is the core difference between a general contractor who manages the full scope and a sub who just wants to keep their crew moving. Call (877) 688-9930 to talk about how we handle change orders on older Glen Avon homes.
Because Glen Avon is an unincorporated pocket of Riverside County, not a city with its own building department. Inspectors assigned to the area may see fewer of the older, non-standard constructions common here, so sign-off can take longer when they need to verify something unusual. We know which inspectors work the 92509 zone, we document everything clearly, and we budget extra time for inspection cycles in our project schedule. Call (877) 688-9930 and ask us what your specific permit path looks like.
Yes, and this is where our general contractor model pays off. Code upgrades triggered by opening walls often touch electrical, plumbing, insulation, framing, and sometimes seismic strapping. We handle every one of those trades under one contract, with one accountable team, and we write the upgrade costs into a transparent change order before proceeding. Call (877) 688-9930 to schedule a walkthrough of your home and get a real estimate for what code compliance will cost.
Written by Brent Calloway, Owner at Square One Builders, serving Glen Avon and the greater Inland Empire since 2012.