Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Monrovia
Replacing a roof in Monrovia usually costs between $11,500 and $24,000 for a typical single-family home, with most jobs running $14,000 to $19,000 depending on pitch, material, and what we find when we open the decking. We work throughout the 91016 and 91017 ZIP codes, from the foothill streets north of Foothill Boulevard down through the tree-canopied central neighborhoods. Barnwood Roofing has been serving Monrovia homeowners with straight answers and honest assessments since Ruben Calloway founded the company. If you’re wondering whether your roof needs full replacement or if a repair would hold, call us at (855) 382-1073 and we’ll tell you the truth either way.
Why Barnwood Roofing Is Monrovia’s Preferred Roof Replacement Company
We earned trust in Monrovia the slow way: by opening up old roofs, telling homeowners what we actually found, and fixing it without drama. Our crews know the Craftsman bungalows around Old Town, the mid-century tracts south of Huntington Drive, and the foothill homes that back up against Angeles National Forest. That local knowledge matters when we’re matching original architectural profiles or calculating brush-zone requirements.
What separates us from the replacement-only outfits is simple: we also perform Roof Replacement as one part of a full-service roofing business that includes repair and inspection. That means if a repair extends the life of your roof by five or six years, we’ll tell you. We source from seven manufacturers, GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so the material we recommend matches your home and budget instead of whatever happens to be in our warehouse. Ruben Calloway built the company on that honesty.
Styles & brands we work with
Roof Installation in Monrovia
Roof Installation in Monrovia means something different depending on which side of the city you live on. North of Foothill Boulevard, where homes sit against the San Gabriels, we’re often working with steep pitches, complex dormer lines, and brush-zone fire requirements. South and east, the work leans toward standard-pitch tract homes where the installation moves faster and costs less. On a typical Monrovia home, a full tear-off and new architectural shingle installation runs $12,000 to $18,000.
Full Tear-Off and Decking Assessment
We remove everything down to the sheathing. On older Monrovia homes, especially the 1910s and 1920s bungalows near Old Town, that’s where the real story lives. Original wood decking may be sound, or it may show rot at the eaves and valleys from decades of wind-driven rain. We inspect every sheet before we lay underlayment, and we show you what we find before we proceed.
New Construction Roofing
For additions and new builds in Monrovia, we coordinate directly with your general contractor or frame the roof scope ourselves. The advantage of working with us from the start is code-ready material selection. If you’re building in the foothill brush zone, we spec the right Class A assembly from day one instead of scrambling to upgrade it at inspection.
Roof Replacement Contractor in Monrovia
A Roof Replacement Contractor in Monrovia has to handle more than shingles. The mature oaks and sycamores that shade the central neighborhoods around Myrtle and Magnolia drop debris that clogs valleys and holds moisture against the underlayment. The north side deals with down-slope winds off the San Gabriels, including Santa Ana events that drive rain under failed drip edge. We account for both when we quote, and we don’t pretend a generic valley spec will hold up in the foothills.
Architectural Shingle Matching for Historic Homes
If you own a Craftsman or bungalow near Old Town, profile matters. We work with architectural shingle lines from GAF, CertainTeed, and Owens Corning to match the visual weight and shadow lines of original roofing. A flat three-tab shingle looks wrong on a 1920s gable; we’ll show you options that respect the house.
Roof Decking Replacement and Structural Correction
Opening up an early-1900s Monrovia roof often reveals undersized rafters, spacing that no longer meets code, or outdated wiring run through the attic. That triggers structural and electrical corrections once the permit is pulled. We price those as allowances in the contract and get written approval before any change order moves, so you’re never surprised by a bill you didn’t authorize.
Trusted Brands We Service in Monrovia
We’re brand-agnostic, which is a real advantage when you’re comparing shingle lines. We stock and install GAF, CertainTeed, and Owens Corning products for most Monrovia homes, and we’ll pull IKO, Atlas, Tamko, or Boral specs when the job calls for them. Because we work across seven manufacturers, you get apples-to-apples comparisons on material cost and warranty length. We’re not pushing one brand because we bought a truckload of it. For Monrovia customers, that means faster turnaround on the shingle profiles we stock regionally, and the freedom to choose a product based on your roof’s actual needs.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Monrovia Homes
- Wind-driven rain rot at the fascia and soffit. North-side foothill homes catch down-slope wind that pushes water under old drip edge. By the time shingles look worn, the fascia behind the gutter is often soft and needs replacement.
- Moss and trapped moisture under mature trees. Central Monrovia’s oak and camphor canopy shades roofs enough that moss takes hold in valleys and behind chimneys. The shingles on top may look serviceable while the decking underneath is compromised.
- Undersized framing on early-1900s homes. Craftsman-era roofs were often framed with 2×4 rafters on wide spacing. Once the sheathing is off and the inspector is involved, sistering or new framing becomes a code requirement.
- Brush-zone material requirements on the north edge. Homes adjacent to Angeles National Forest fall under Wildland-Urban Interface code. That mandates specific roof assemblies and fire-resistant underlayment that flat-valley roofs in south Monrovia never have to consider.
Pricing for Roof Replacement in Monrovia, CA
A standard architectural shingle replacement on a 1,600 to 2,200 square foot Monrovia home runs $13,000 to $19,000. Steep foothill pitches, dormers, and brush-zone assemblies push the top end higher, often $21,000 to $26,000. Tile or premium shingle lines from CertainTeed or GAF add material cost but extend life. Decking replacement, when needed, typically adds $2 to $4 per square foot of affected area. Structural corrections and electrical code upgrades are priced as allowances and approved in writing before we proceed. Call (855) 382-1073 for a free estimate that includes a written line-item scope, not a phone number on a business card.
We Also Serve Cities Near Monrovia
Barnwood Roofing serves Monrovia and the surrounding foothill communities where the same brush-zone and architectural matching questions apply. We regularly work in Mayflower Village, Duarte, Bradbury, and Arcadia. If you’re nearby and need a roof assessment, call us at (855) 382-1073 and we’ll schedule a visit.
Serving Monrovia, CA — Our Local Coverage Area
We’re based in the Monrovia 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 Replacement in Monrovia
It costs more because foothill homes typically have steeper pitches, more dormers and valley lines, and Wildland-Urban Interface code requirements for fire-resistant roof assemblies. Many also back onto Angeles National Forest land, which changes the material spec entirely. A south Monrovia tract home with a simple 4:12 pitch and standard shingles runs $12,000 to $15,000; the same square footage on the north side often runs $18,000 to $25,000. Call (855) 382-1073 and we’ll walk your specific street and roof lines to give you an exact number.
We stop, show you photos, and price the correction as a written change order before we touch it. Undersized rafters get sistered or replaced to current code; outdated knob-and-tube wiring in the attic gets documented and handled by a licensed electrician we coordinate with. You approve every dollar before it’s spent. Our contracts include allowances for exactly these discoveries, which is how we avoid the mid-job surprise that plagues replacement quotes from companies that have never opened an old Monrovia roof.
We start with an in-person review of your existing roof’s profile and shadow lines, then compare architectural shingle options from GAF, CertainTeed, and Owens Corning that reproduce the right visual weight. For Craftsman homes, that often means a dimensional shingle with a heavier tab profile rather than a flat architectural panel. We’ll bring physical samples to your property so you can see them against the house before you commit. Call us at (855) 382-1073 to set that up.
Yes, and it usually means we replace more underlayment and decking than the shingle condition alone would suggest. Oak, camphor, and sycamore canopies hold moisture against the roof surface, while falling branches and leaf litter clog valleys and accelerate shingle granule loss. Before we quote, we assess the trees overhanging your roof and factor that into the material and ventilation spec. If we’re replacing a roof on a heavily shaded street near Myrtle or Magnolia, we also look hard at the soffit and fascia for rot caused by trapped moisture.
We pull permits through the City of Monrovia for every replacement, and we coordinate inspections directly. When the roof is opened and an inspector requires structural or electrical corrections, we document the scope, price it as a change order, and get your written approval before moving. Brush-zone homes get the roof class assembly required by Wildland-Urban Interface code, which we verify before materials are ordered. You’ll have documentation of every permit and passed inspection at the end of the job.
If your Monrovia roof is nearing the end of its life, or if you’ve been told by another company that you need a full replacement without anyone actually getting on the roof, call Barnwood Roofing at (855) 382-1073. We’ll inspect first, recommend second, and give you a free written estimate with real numbers. Inspection first, recommendation second, always.
Written by Ruben Calloway, Owner at Barnwood Roofing, serving Monrovia and the San Gabriel foothills.