Central Valley
Commercial Roof Inspection and Maintenance in Kings County
Kings County is one of the smaller valley counties, with 4 cities, Hanford, Lemoore, Corcoran and Avenal, and an economy built on dairy, cheese, cotton and food processing. Our scan finds wet insulation under processing and warehouse roofs before heat and fog finish the job.
What kinds of commercial buildings are in Kings County?
Kings County flat roofs are concentrated in 3 places: the Hanford industrial and retail areas along Highway 198, the food and dairy processing plants around Lemoore, and agricultural warehouses near Corcoran.
Naval Air Station Lemoore, west of the city, adds base-related commercial and service buildings to the mix.
Hanford is the county seat and the main retail center, while Corcoran and Avenal carry cotton gins, storage and public facilities. Many processing roofs here cover warm, humid rooms where any leak quickly turns into a mold or product problem.
- Hanford industrial park: food processing, warehouses and light manufacturing near Highway 198 and Highway 43
- Lemoore processing area: cheese, dairy and food plants on the west side of the county
- Downtown Hanford: older commercial blocks and civic buildings around the courthouse square
- Corcoran: cotton gins, agricultural storage and public buildings
- Avenal and Kettleman City: service, public and travel center buildings on the west side
| Building type | Common roof system | Typical age | What Kings County does to it |
|---|---|---|---|
| Cheese or dairy processing plant | PVC or spray foam | 10 to 30 years | Steam, humidity and washdown |
| Agricultural warehouse | Modified bitumen or TPO | 15 to 35 years | Dust in drains and bird nesting |
| Hanford retail center | Modified bitumen | 15 to 30 years | Heat aging and HVAC curbs |
| Downtown Hanford commercial block | Built-up roof with gravel | 40 to 70 years | Parapet cracks and soft decks |
| Cotton gin or storage building | Coated low-slope roof | 20 to 40 years | Lint, dust and coating wear |
What does the Kings County climate do to a flat roof?
Kings County sits on the old Tulare Lake bed, where summer highs often reach 100 degrees and winter tule fog can last for days.
Heat ages membranes and coatings quickly, and fog keeps roofs damp long after a light rain. The 2023 return of Tulare Lake flooded farmland near Corcoran, a reminder that drainage around and on buildings matters even in a dry county.
How often should commercial roofs in Kings County be inspected?
A Kings County commercial roof should be inspected 2 times a year, with processing plants checked again whenever new rooftop equipment is added.
Each new vent, fan or pipe support is a fresh opening in the membrane and one of the most common sources of slow leaks. Our commercial roof inspection page explains what each visit covers.
What does a maintenance program cost in Kings County?
A maintenance program for a 70,000 square foot food processing plant in Kings County costs $8,400 to $10,500 a year on our Monitor program, priced at $0.12 to $0.15 per square foot with a $1,500 minimum.
Monitor suits most Kings County owners, since portfolios are small and many roofs are mid-life. Dairy and cheese processors often move to Protect, because a wet roof over a humid processing room causes trouble quickly. Compare all 3 tiers for Kings County on the maintenance programs and pricing page.
Kings 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 Kings County?
We can scan a roof in Kings County as soon as roof access is confirmed after your request, and a 70,000 square foot food processing plant takes about 1.5 hours at roughly 50,000 square feet an hour, with the PE-stamped report delivered within 48 hours.
Kings County scans are often scheduled together with Tulare and Fresno County work, and processing plants are scanned around shift changes. Book your Kings County scan through our roof scan request form, or compare counties on the service areas page.
Which Kings County cities and business districts do you serve?
We serve all of Kings County, and the 6 cities and districts below are where most of its flat commercial roofs sit.
- Hanford: the county seat, with industrial parks, retail and downtown commercial blocks
- Lemoore: cheese and food processing plants plus base-related commercial buildings
- Corcoran: cotton, agricultural storage and public buildings
- Avenal: public facilities and service buildings on the west side
- Armona: unincorporated agricultural and small commercial buildings between Hanford and Lemoore
- Kettleman City and Stratford: unincorporated travel center, farm service and storage buildings
Hanford, Lemoore, Corcoran and Avenal each issue their own permits, and unincorporated areas such as Armona, Stratford and Kettleman City go through the Kings County Community Development Agency. Reroofs must meet Title 24 cool roof rules.
FAQs
Can you scan a cheese plant in Lemoore without disrupting production?
Yes. The scan works from the roof surface, so production rooms stay closed and running. We coordinate access around exhaust fans and refrigeration.
Do you work near Naval Air Station Lemoore?
We scan private commercial buildings near the base and in Lemoore. Work on the base itself follows whatever access rules the base sets.
Did the 2023 Tulare Lake flooding affect roofs?
Flooding mainly hit farmland near Corcoran, but the heavy rains of 2023 exposed weak drains and seams on many valley roofs. A scan shows whether water from that season is still trapped in the insulation.
Why do humid processing rooms make leaks worse?
Warm, wet air from processing rooms can condense inside a roof, and a small leak adds more water on top. Wet insulation loses its value and can grow mold.
Who permits roof work in Armona or Stratford?
Armona, Stratford and Kettleman City are unincorporated, so the Kings County Community Development Agency handles roof permits there.
What would Monitor cost for a 70,000 square foot processing plant?
At $0.12 to $0.15 per square foot, a 70,000 square foot roof costs $8,400 to $10,500 a year on Monitor.
Are old downtown Hanford roofs worth saving?
Often, yes. Many have dry areas that can be kept, and a scan shows exactly which sections need replacing.
How often should cotton gin roofs be checked?
Gin roofs should be checked after each ginning season, because lint and dust settle into drains and wear down coatings.
How long does a roof scan take on a food processing plant in Kings County?
A roof scan on a 70,000 square foot food processing plant in Kings County takes about 1.5 hours at roughly 50,000 square feet an hour, and the PE-stamped report follows within 48 hours.
Which Kings County cities do you cover?
We cover flat and low-slope commercial roofs in every part of Kings County, including Hanford, Lemoore, Corcoran, Avenal, Armona and Kettleman City and Stratford.
Schedule a non-destructive roof scan anywhere in Kings County.
Trusted since 1983 on over 20,000 commercial roofs. California License 435836.