
Groundbreak Flagstaff Asphalt Paving provides asphalt paving contractor services throughout Timberline-Fernwood, AZ, including asphalt sealcoating, driveway repair, and crack sealing built for large rural lots at high elevation. We know the Highway 89 corridor and respond to new requests within one business day.

At over 6,500 feet on the Colorado Plateau, the UV exposure and freeze-thaw cycle break down unsealed asphalt faster than most homeowners realize. Our asphalt sealcoating service adds a protective layer that blocks UV damage and prevents winter water from penetrating the surface, extending the life of your driveway by years.
Rural properties in Timberline-Fernwood often have long gravel or deteriorated asphalt driveways that have eroded through monsoon seasons and frost heave. Replacing gravel with asphalt reduces ongoing maintenance, cuts down on dust, and gives you a surface that handles heavy runoff without washing away year after year.
Driveways in this part of Coconino County face repeated freeze-thaw cycles that push small cracks open every winter. Sealing those cracks before the first freeze stops water from getting underneath, preventing the deeper damage that leads to full replacement. It is the most cost-effective maintenance step for any asphalt surface at this elevation.
Older driveways along Highway 89 often show alligatored sections, edge crumbling, and pothole damage - all signs that freeze-thaw and drainage issues have been working on the surface for years. Targeted patching and structural repair stops the damage from spreading and buys years of additional life before a full resurface is needed.
Monsoon season brings fast, heavy rain to the slopes northeast of Flagstaff, and in years following nearby wildfires, runoff can be significantly heavier as burned slopes shed water instead of absorbing it. Proper drainage grading and channel work keeps water moving off your property instead of through your driveway or toward your foundation.
Large rural lots in Timberline-Fernwood often have uneven grades that concentrate water in the wrong places and contribute to driveway and surface erosion each year. Proper grading redirects runoff away from structures and sets up any new paving or drainage work with the correct foundation from the start.
Timberline-Fernwood is an unincorporated census-designated place about 11 miles northeast of Flagstaff along U.S. Route 89. It sits above 6,500 feet on the Colorado Plateau in the ponderosa pine zone, surrounded by national forest land and carrying a very high wildfire risk rating. The community is intentionally low-density, with large rural residential lots and a county area plan designed to keep that character. Homes here span several decades of construction, many starting in the 1970s, and a significant portion of driveways are gravel or aging asphalt that has not been maintained through successive freeze-thaw seasons.
The freeze-thaw cycle here is relentless from October through April - hard freezes at night, thawing during the day, and any water in the pavement expanding and contracting with every cycle. Post-wildfire monsoon flooding is a real additional hazard. When fires burn the slopes east of Highway 89, the next summer monsoon sends water and debris rushing through the community much faster than in normal years. That means drainage and surface integrity are not just comfort issues - they directly affect whether your property handles a heavy storm without damage. Coconino County handles permit and development oversight for this unincorporated area through Coconino County Community Development.
Our crew works throughout Timberline-Fernwood regularly, and we understand the local conditions that affect asphalt paving work here. Getting to job sites in this area means leaving Highway 89 and navigating county roads - many of them unpaved - so we come prepared and do not charge extra just to find your property. Townsend Winona Road and the side streets branching off the 89 corridor are routes our drivers know, and we plan access around weather conditions that can make unpaved approaches harder to navigate after heavy rain.
The relationship between this community and nearby Flagstaff Ranch to the west and Doney Park to the south means our crews are familiar with the full northeast Flagstaff corridor. Peaks View Park sits within this planning area and is a reference point we use when giving directions and scheduling routes. The San Francisco Peaks to the west are visible from much of the community and are a constant reminder of why high-elevation-spec asphalt work matters out here.
Call or submit the contact form and we will get back to you within one business day. Let us know your address and what you are seeing - cracks, erosion, drainage problems - so we can plan the site visit accordingly.
We visit your property, measure the surfaces, check drainage and base condition, and walk you through what we find. You get a written estimate with line-item costs before we ask for any commitment - no surprise charges after work begins.
We schedule around your availability and the weather forecast - especially important for sealcoating, which needs a dry window to cure. Most residential sealcoating and crack sealing jobs in Timberline-Fernwood are done in a single visit.
We walk through the finished work with you before leaving, explain cure times and any care steps, and make sure the site is clean. You can reach us directly with any follow-up questions after the job is done.
We serve Timberline-Fernwood and the entire Highway 89 corridor northeast of Flagstaff. Call us or submit a request and we will respond within one business day.
(928) 326-9529Timberline-Fernwood is a census-designated place in Coconino County, Arizona, recognized as a formal CDP just ahead of the 2020 census. It sits along U.S. Route 89 about 11 miles northeast of Flagstaff, bordered to the south by the community of Doney Park. The area is governed at the county level and has an area plan specifically designed to preserve its large-lot, rural residential character. Homes span several decades of construction - many dating to the 1970s and 1980s - and the mix of older wood-frame properties on large wooded parcels gives the community a distinctly rural, forest-country feel that differs from suburban Flagstaff. Most residents drive to Flagstaff for shopping and services, and Peaks View Park provides open space within the community with views toward the San Francisco Peaks. Information on permits and area planning is available through Coconino County.
The community carries a very high wildfire risk rating due to its position in the ponderosa pine forest next to national forest land, and residents are familiar with the additional drainage and erosion risks that follow a fire on nearby slopes. Neighboring communities including Winona to the east along I-40 and Doney Park to the south share many of the same large-lot, high-elevation paving challenges and are areas we serve regularly.
Protect your asphalt surface and extend its life with professional sealcoating.
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Learn MoreStop cracks before they spread with targeted crack sealing treatments.
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Learn MoreComprehensive maintenance plans that keep your lot in top condition year-round.
Learn MoreQuick pothole patching that eliminates hazards and protects your pavement investment.
Learn MoreProper site grading and excavation to create a stable base for paving.
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Learn MoreWe serve Timberline-Fernwood and the surrounding Highway 89 corridor. Contact us today for a free on-site estimate - we respond within one business day.