
Aerial, oblique
The pass that shows how the roof sits on the building — planes, hips, valleys, and how it meets everything around it.
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Architectural shingle · Plano
A single-storey L-plan ranch with two mature live oaks over the roof — the most common assessment in north Dallas, and the one where tree cover hides the most.
System Architectural shingleProperty ResidentialViews 5
The five passes
A roof assessed from one angle is a roof assessed once. These are the passes every Jacob assessment makes, in this order, so that coverage does not depend on how the day is going.

The pass that shows how the roof sits on the building — planes, hips, valleys, and how it meets everything around it.

Straight down. This is the view that makes drainage legible and stops a plane being missed because it was awkward to reach.

What the property actually looks like to a person standing in front of it — the only view most quotes are based on.

Close enough to read the assembly: courses, seams, terminations, penetrations. Findings are photographed at this range with something for scale.
On this roof: a shingle field where the courses meet a hip, with a vent stack and its collar in the frame for scale.

Mid-installation, where the parts that end up hidden are still visible. A roof is easiest to judge before it is finished.
What this roof raises
Every property puts its own questions in front of an assessor. These are the ones this system on this kind of house raises — and the same ones we would bring to yours.
Live oaks that overhang a roof keep it damp for longer after rain and drop debris into valleys and gutters. Both shorten the life of the covering in ways that are invisible from the driveway.
An L-plan puts a valley where the two wings meet. Valleys carry more water than any other part of a roof and are where a cheap repair usually fails first.
Ranch houses of this era in Plano frequently have a second layer of shingles over the original. That changes the scope, the tear-off cost and sometimes the permit path, so it is established before a price is discussed.
Book an assessment
Four steps, three things to type. We confirm the address is in our area, then come and look at the whole roof — not just the bit you pointed at.