Maricopa County · 1140 ft
Roof rejuvenation in Tempe
Tempe stopped growing outward decades ago. Hemmed in by Phoenix, Mesa, Chandler and the Salt River, it ran out of raw ground around 1990 and almost nothing has been built new since. That makes it the one city in the metro where the roofing question is almost never about the original covering — it is about the second one, or the third, installed by an owner who may have sold the house twice since. Add the large rental share around the university, maintained by whoever held the deed at the time and in no consistent pattern, and the useful work here becomes establishing what is actually on the roof and how long it has been there. The paperwork usually cannot answer either question.
What we see on Tempe roofs
- Because the city was effectively finished by 1990, an original covering is the exception here rather than the rule. Assessments start by reading the shingle itself: granule state, seam pattern, and how the flashing was detailed on the way in.
- Investor-owned and rental stock is a large share of the housing near the university, and deferred maintenance surfaces as uneven weathering between planes that were patched years apart by different hands.
- The 1960s and 1970s subdivisions south of Broadway carry shallow pitches and long unbroken planes — generous sun exposure and essentially no self-shading through the middle of the day.
- Mature street trees along the older grid put real shade on some north planes and none at all on others, so two houses on one block can weather at visibly different rates.
Why Tempe roofs age the way they do
Sun and heat
At roughly 1,140 feet this is the same valley floor as the central city and the same heat island, and a dense street grid ringed by freeway on three sides offers very little overnight relief. Shallow pitches hold the sun close to perpendicular right through the worst part of the day.
Monsoon exposure
Outflow winds funnel along the Salt River channel on the north edge of the city, and the flat open riverbed gives dust and gusts a clear run at everything immediately south of it. Hail is rare here. Wind and grit are the annual events.
Tempe housing stock
Housing here is overwhelmingly single-story wood frame and block ranch from the 1960s and 1970s, with 1980s two-story tract stock filling the south and east edges. Asphalt shingle is the dominant covering, low-slope built-up roofs persist across the mid-century inventory, and tile appears mainly on the final wave of 1980s subdivisions.
When Tempe was built
- 1955-1972
The original grid south and west of the university. Shallow-pitch ranch roofs, most of them now on a second or third asphalt shingle covering.
- 1978-1990
The Lakes, Warner Ranch and the last of the greenfield build. These are the newest roofs in the city and they are already past thirty years of sun.
Areas we cover in Tempe
- Maple-Ashe
- Mitchell Park
- University Heights
- The Lakes
- Warner Ranch
- Escalante
Plus the surrounding Maricopa County communities.
Tempe ZIP codes we serve
- 85281
- 85282
- 85283
- 85284
Not an exhaustive list — if your Tempe ZIP is not shown, it is very likely still inside the service area. Call (480) 815-4427 and we will confirm before scheduling anything.
How we treat a Tempe roof
A plant-based treatment that restores flexibility and waterproofing to asphalt shingles dried out by Arizona sun.
Common questions in Tempe
How does the cost compare with a full reroof?
A full asphalt shingle reroof on a typical Phoenix-metro home commonly runs in the range of $15,000 to $30,000, depending on size, pitch, access, and how many layers have to come off. Rejuvenation is a fraction of that because there is no tear-off, no disposal, and no new material. Exact pricing depends on roof area, pitch, and condition, which is what the assessment establishes.
How long does the treatment take?
Most single-family homes are a one-day job. There is no tear-off, so no dumpster is staged in the driveway and there is no multi-day period of crew noise. You stay in the house while the work happens. Scheduling avoids active monsoon days and the hottest part of a summer afternoon, since both surface conditions and weather affect application.
What should I check after a monsoon storm?
From the ground, look for shingle pieces in the yard, granule accumulation at the bottom of downspouts, lifted or displaced tabs along ridge lines and roof edges, and any daylight visible at soffit or fascia. Inside, check ceilings and the attic for fresh staining. Wind damage after a microburst tends to be concentrated on one plane or one edge rather than spread evenly, which is one way to tell storm damage from ordinary aging.
How old does my roof need to be?
The usual window for asphalt shingles in this climate is roughly 10 to 20 years. Under about eight years there is normally nothing to restore yet. Past roughly 20 years, or on any roof already showing failure rather than simple drying, replacement is the honest answer. Age alone does not decide it though — condition does, which is what the assessment establishes.
What is roof rejuvenation?
It is a plant-based treatment applied to the surface of an asphalt shingle roof. Shingles stay flexible and waterproof because of the volatile oils held in their asphalt binder, and Arizona sun drives those oils out over time. The treatment is designed to be absorbed back into the binder and restore pliability to shingles that have dried out but have not yet failed. It is not a coating and adds no layer to the roof.
My Tempe house is from 1968 but the roof clearly is not. What do you assess?
The roof, not the house. Tempe ran out of buildable ground around 1990 and essentially nothing has been built new since, so almost every covering in the city is a replacement and a good number are second or third replacements. The build year on the deed tells us close to nothing. What we work from is the covering in front of us: how much granule is left and where it has gone, whether the mat is exposed, how the south and west planes compare with the north slope, how the valleys and flashing were detailed, and whether there is more than one layer up there. That gives a real answer where the paperwork gives none.