Central Valley
Commercial Roof Inspection and Maintenance in Kern County
Kern County spans more than 8,000 square miles, from the oil fields west of Bakersfield to the Mojave Desert, and its 11 cities hold some of the largest distribution roofs in California. Our AI-assisted scan covers big roofs fast and shows exactly where heat and age have let water in.
What kinds of commercial buildings are in Kern County?
Kern County flat roofs come in 3 sizes: very large distribution centers along Interstate 5 and Highway 99, mid-size industrial and oil service buildings around Bakersfield, and retail and office buildings in its 11 cities.
Distribution hubs such as the Tejon Ranch Commerce Center near Lebec and the parks in Shafter put single roofs of 500,000 square feet or more within reach of both the Los Angeles basin and the Central Valley.
Bakersfield carries the oil service yards, food processing plants and medical offices of a growing city, while Delano, Wasco and Arvin add packing and cold storage. Ridgecrest and Tehachapi bring desert and mountain commercial buildings on the east side of the county.
- Tejon Ranch Commerce Center: big-box distribution and logistics buildings on Interstate 5 near Lebec
- Shafter and the Highway 99 corridor: distribution centers and industrial parks north of Bakersfield
- East Bakersfield and Oildale: oil service, fabrication and older industrial buildings
- Delano, Wasco and Arvin: packing houses, cold storage and agricultural processing
- Ridgecrest and Tehachapi: commercial, defense contractor and service buildings in the desert and mountains
| Building type | Common roof system | Typical age | What Kern County does to it |
|---|---|---|---|
| Modern distribution center | White TPO single-ply | 3 to 20 years | Extreme heat and huge drain areas |
| Oil service or fabrication shop | Built-up or modified bitumen | 25 to 50 years | Fumes, grit and heavy equipment |
| Packing house or cold storage | Spray foam | 15 to 35 years | Coating wear under 100 degree sun |
| Bakersfield medical or office building | Modified bitumen or PVC | 15 to 30 years | Rooftop HVAC load in summer |
| Desert commercial building | Coated spray foam or TPO | 10 to 30 years | Wind-blown sand and UV |
What does the Kern County climate do to a flat roof?
Bakersfield records more than 100 days a year at or above 90 degrees, so Kern County roofs lose most of their life to heat and ultraviolet light rather than rain.
Membranes shrink, coatings chalk and seams open under that sun, and a few winter storms then find every weak spot. Dense tule fog in the valley keeps roofs damp on winter mornings, and desert roofs near Ridgecrest and Mojave take wind-blown sand that scours coatings.
How often should commercial roofs in Kern County be inspected?
A Kern County commercial roof should be inspected 2 times a year, in late spring before peak heat and in fall before the winter rains.
Very large distribution roofs also need drains checked after dust storms, because a single blocked drain on a roof that size can hold tons of water. Our commercial roof inspection page explains what each visit covers.
What does a maintenance program cost in Kern County?
A maintenance program for a 600,000 square foot distribution center in Kern County costs $132,000 to $150,000 a year on our Protect program, priced at $0.22 to $0.25 per square foot with a $2,500 minimum.
Protect fits most Kern County distribution and industrial roofs, since scheduled repairs keep warranty terms intact on young roofs and slow decline on older ones. Owners of older oil service and packing buildings often move to Manage to plan replacements. Compare all 3 tiers for Kern County on the maintenance programs and pricing page.
Kern County figures use our published rates: Monitor $0.12 to $0.15 per square foot a year with a $1,500 annual minimum, Protect $0.22 to $0.25 per square foot a year with a $2,500 annual minimum, Manage $0.40 to $0.45 per square foot a year with a $4,500 annual minimum.
How soon can you scan a roof in Kern County?
We can scan a roof in Kern County as soon as roof access is confirmed after your request, and a 600,000 square foot distribution center takes about 12 hours at roughly 50,000 square feet an hour, with the PE-stamped report delivered within 48 hours.
A 600,000 square foot roof can be scanned in about 12 hours of field time, and we work early mornings in summer to avoid the worst heat. Book your Kern County scan through our roof scan request form, or compare counties on the service areas page.
Which Kern County cities and business districts do you serve?
We serve all of Kern County, and the 9 cities and districts below are where most of its flat commercial roofs sit.
- Bakersfield: the county seat, with oil service, food processing, medical and retail buildings
- Shafter: large distribution centers and industrial parks
- Lebec and Tejon Ranch: big-box logistics at the Tejon Ranch Commerce Center
- Delano: packing houses, cold storage and agricultural processing
- Wasco and McFarland: agricultural processing and storage buildings
- Arvin and Lamont: packing and farm service buildings southeast of Bakersfield
- Tehachapi: commercial and light industrial buildings in the mountains
- Ridgecrest: commercial and contractor buildings near the naval station at China Lake
- Taft: oil field service buildings on the west side
Kern County has 11 cities with their own building departments, and unincorporated areas such as Oildale, Lebec, Rosamond and Lamont are permitted by Kern County Public Works. Reroofs must meet Title 24 cool roof rules for the valley climate zone.
FAQs
How long does a scan take on a 600,000 square foot distribution roof?
At about 50,000 square feet an hour, a 600,000 square foot roof takes roughly 12 hours of scanning, spread across 2 days if needed. The PE-stamped report follows within 48 hours.
Can you scan in Bakersfield summer heat?
Yes, but we start at dawn and finish before the hottest part of the day to keep the crew safe and the readings consistent.
Do oil service buildings in Oildale need special care?
Oil service roofs often carry grit, fumes and old patches. We map wet areas around exhaust and equipment where damage tends to start.
Does tule fog cause roof problems?
Tule fog keeps roofs damp for long stretches in winter, which slows drying after storms and lets small seam openings take on more water.
Do you cover the Tejon Ranch Commerce Center?
Yes, we scan distribution and logistics roofs at Tejon Ranch near Lebec, as well as the parks in Shafter and along Highway 99.
What would Protect cost for a 600,000 square foot distribution center?
At $0.22 to $0.25 per square foot, a 600,000 square foot roof costs $132,000 to $150,000 a year on Protect.
Who permits roof work in unincorporated Kern County?
Kern County Public Works handles roof permits in unincorporated areas such as Oildale, Lebec, Rosamond and Lamont.
Can solar panels stay in place during a scan?
Yes. We scan the open roof between and around the arrays and note areas under panels that cannot be read, so they can be checked separately.
How long does a roof scan take on a distribution center in Kern County?
A roof scan on a 600,000 square foot distribution center in Kern County takes about 12 hours at roughly 50,000 square feet an hour, and the PE-stamped report follows within 48 hours.
Which Kern County cities do you cover?
We cover flat and low-slope commercial roofs in every part of Kern County, including Bakersfield, Shafter, Lebec and Tejon Ranch, Delano, Wasco and McFarland, Arvin and Lamont, Tehachapi, Ridgecrest and Taft.
Schedule a non-destructive roof scan anywhere in Kern County.
Trusted since 1983 on over 20,000 commercial roofs. California License 435836.