Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
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Before
AfterFast, Reliable Roof Installation Across Home Gardens
A full roof installation by our Roofing Company - Home Gardens team typically runs $11,500 – $19,800 for a standard single-story ranch, with tear-off, underlayment, architectural shingles, flashing, and county inspection included. Most Home Gardens jobs take 3 – 6 working days once Riverside County schedules the inspection. If you’re wondering whether your roof needs replacement or repair, call (743) 200-8347 and we’ll give you a straight answer over the phone, then a written quote before any work starts.
We know Home Gardens because we work here regularly. The unincorporated status matters. Your permit comes from Riverside County Building & Safety, not a city counter in Corona or Riverside. That changes inspection timelines, code pathways, and what we build into your quote. We plan for it so you don’t get surprised two days into a tear-off.
Why Mercer Roofing Is Home Gardens’s Preferred Roof Installation Company
Most Home Gardens homeowners hear about us from a neighbor, and that referral usually starts with the same story: the technician sent a name and photo before the visit, showed a photo ID badge at the door, and put the price in writing before lifting a shingle. For people home alone with kids, or older homeowners who want certainty about who’s walking up the driveway, that specific process is the reason they call us first.
Grant Whitlock leads our team with a simple rule: every roof installation in Home Gardens gets a written quote before work begins, and every job carries the 365-Day Done Right Promise. If something isn’t right within a year, we make it right. No fine print, no phone tag. That guarantee is written into every job, not offered as an add-on.
We answer calls with a live person 24/7. Not a voicemail, not a callback form. When the Santa Ana winds peel a shingle loose at 9pm and you need to know if it’s an emergency, a human voice answers. That matters in Home Gardens, where wind events hit hard and fast.
Our Roof Installation crews carry manufacturer-recognized shingles from GAF, CertainTeed, and Owens Corning, and we stock common flashing profiles and underlayment locally so a Home Gardens job doesn’t stall waiting on parts from a warehouse across the county.
Roof Flashing Installation in Home Gardens
Roof flashing installation in Home Gardens is the difference between a roof that sheds water and a roof that channels it into your walls. Flashing is the metal, usually galvanized steel or aluminum, that seals the joints where your roof meets a wall, chimney, skylight, or valley. On Home Gardens homes built between the 1940s and 1970s, original flashing is often corroded, bent, or patched with roofing tar that dried out years ago. Unpermitted additions from decades past frequently have flashing that never worked correctly in the first place, discharging water straight onto sheathing.
Where Flashing Fails on Older Home Gardens Homes
We see the same failure points on the modest gable and low-slope ranch homes that dominate Home Gardens housing stock. Valley flashing where two roof planes meet, headwall flashing at the top of a wall, and step flashing along brick chimneys. The high UV intensity here bakes flashing sealant until it cracks, then winter rains find the seam. On acreage lots, detached shops and ADUs often have the worst flashing because they were built without permits and never inspected.
Flashing Replacement Cost in Home Gardens
Standalone roof flashing installation or replacement in Home Gardens typically runs $450 – $1,600 depending on how many linear feet need work and whether we’re pulling off shingles around the flashing or installing it as part of a full roof job. When flashing is part of a complete Roof Installation, it’s priced as a line item in the written quote, not buried in a lump sum. You see exactly what you’re paying for.
TPO Roofing Installation in Home Gardens
TPO roofing installation in Home Gardens is common on the low-slope sections of ranch homes, patio covers, and the flat-roofed detached shops and ADUs scattered across the area’s acreage lots. TPO, or thermoplastic polyolefin, is a white single-ply membrane that reflects heat instead of absorbing it. On a Home Gardens summer day when the temp hits 105°F, a dark shingle roof can reach 160°F on the surface. A white TPO membrane stays significantly cooler, which lowers the heat load on the building and reduces cooling strain.
When TPO Makes Sense on Home Gardens Acreage
If you have a detached workshop, carport, or unpermitted addition that was originally roofed with rolled asphalt or torch-down, it’s probably near failure. These low-slope sections get pounded by UV radiation and the occasional Santa Ana wind that grabs loose laps and folds them back. TPO installed with heat-welded seams resists both. We see this constantly on Home Gardens lots where a shop sits at the back of the property and the homeowner forgot it ever had a roof.
TPO Installation Cost in Home Gardens
A TPO roofing installation in Home Gardens typically runs $7.50 – $11.25 per square foot for a residential low-slope application, including tear-off of the old material, new insulation board where needed, the membrane, and perimeter flashing. For a typical 400-square-foot detached shop roof, that’s roughly $3,000 – $4,500. County inspection is included in the written quote.
Trusted Brands We Service in Home Gardens
We install and repair roofs using shingle brands that manufacturers actually recognize: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Home Gardens specifically, we often recommend GAF Timberline HDZ or Atlas Pinnacle Pristine for their UV resistance and wind ratings. We stock common profiles and accessories locally, so when a Home Gardens job needs a specific ridge cap or starter strip, we aren’t waiting on a distributor in another county. Fast turnaround, real manufacturer warranties, and no substitute brands slipped into the quote.
Common Roof Installation Problems We See in Home Gardens Homes
- Unpermitted additions with hidden flashing failures. A Home Gardens homeowner added a bedroom or patio cover decades ago, maybe without pulling a county permit. The flashing was never right and water has been rotting the decking underneath. We find it after tear-off, and it changes the scope, the timeline, and sometimes the county inspection schedule.
- Skip-sheathing under multiple shingle layers. Many Home Gardens homes built in the 1940s through 1960s have 1×6 board sheathing with gaps, called skip-sheathing. When two or three layers of composition shingles get torn off, we frequently find the boards need re-sheeting with plywood or OSB before the new underlayment goes down. That’s a real cost line-item, not a surprise we spring on you.
- Long dirt driveways and hand-haul material access. Acreage lots off Rider Street and throughout the unincorporated areas often have gravel or dirt easements that a supply truck cannot navigate. Bundles get shuttled by hand or wheelbarrow, which adds labor hours. We scope this before quoting so the price reflects the actual job.
- Santa Ana wind damage to improperly nailed shingles. The wind events that sweep through western Riverside County in fall and winter test every shingle. If the previous roofer overdriven nails or missed the nailing strip, shingles lift, water drives behind the drip edge, and soffit and fascia rot follows. We nail to spec and document it before closing up.
Pricing for Roof Installation in Home Gardens, CA
A full tear-off and architectural shingle roof installation on a typical Home Gardens ranch home runs $11,500 – $19,800. The biggest cost drivers are square footage, roof pitch, number of existing layers, whether re-sheeting is needed, and access. A detached shop or ADU roof added to the same job usually falls in the $3,000 – $6,500 range for shingles or $3,000 – $4,500 for TPO on a low-slope section. Flashing replacement typically adds $450 – $1,600. Every quote is a written line item, fixed before work begins, with no change orders unless you approve them in writing first. Call (743) 200-8347 for your free estimate.
We Also Serve Cities Near Home Gardens
Mercer Roofing handles roof installation throughout the Inland Empire and beyond. Our crews serve Home Gardens from dispatch and scheduling coordinated through our Inland Empire office, and we regularly work in Los Angeles, San Diego, San Jose, and San Francisco. Same written-quote process, same badge-at-the-door standard, same 365-Day Done Right Promise, wherever we go.
Serving Home Gardens, CA - Our Local Coverage Area
We’re based in the Home Gardens 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 Roof Installation in Home Gardens
No. Home Gardens is unincorporated, so you do not pull a city permit. Every roof installation permit goes through Riverside County Building & Safety instead. That’s why we build inspection-queue float into our Home Gardens quotes and order the dry-in so the roof is never left open longer than it has to be while we wait on the county inspector. Call (743) 200-8347 and we’ll explain the exact permitting path for your specific property.
Yes. Detached shops, garages, ADUs, and outbuildings are a big part of what we roof in Home Gardens, especially on the acreage lots. We scope well and septic setbacks before we quote, because the county may require specific drainage or grading around the structure, and material access gets tricky with long dirt driveways. We include that in the written estimate, not as a surprise later.
Because Home Gardens homes often hide what the previous owner did. Unpermitted additions, patchwork flashing, rotted decking, and skip-sheathing that needs re-sheeting are findings that only surface after tear-off. We take photos of every hidden condition and show them to you before approving any additional scope. You approve the change in writing, or we don’t proceed. That protects you from runaway costs. Call (743) 200-8347 for a quote that accounts for what we can see, and a clear process for what we can’t.
They will if they’re rated for it and nailed to spec. Home Gardens regularly hits 100 – 107°F in summer with intense UV that bakes lesser shingles, and Santa Ana winds stress every nail. We recommend architectural shingles with high wind ratings and UV-stabilized granules, and we document the nailing pattern before we close up. The 365-Day Done Right Promise covers you if something isn’t right within a year. Call (743) 200-8347 to talk through the right material for your roof.
A square is 100 square feet of roof surface. Roofers price by the square, and your Home Gardens quote will show the total number of squares we’re installing. Material costs, labor, tear-off, haul-away, and flashing all get calculated off that number. When you see a written line item that says 18 squares at a given rate, that’s exactly what you’re paying for. Call (743) 200-8347 and we’ll walk you through a sample quote on your own roof dimensions.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Home Gardens and the Inland Empire.