Los Angeles County
Commercial Roof Inspection and Maintenance in South Gate, CA
South Gate grew around a General Motors assembly plant and Firestone tire plant, and today its industrial land along Firestone Boulevard and the I-710 holds warehouses and manufacturing.

What kinds of commercial buildings are in South Gate?
South Gate's commercial buildings include warehouses and manufacturing plants along Firestone Boulevard and the I-710, the Azalea retail center on the former industrial site, and retail along Tweedy Boulevard.
Much of the industrial stock dates from the 1940s through the 1970s.
- Firestone Boulevard industrial area: warehouses and manufacturing
- Azalea shopping center: retail on the former industrial site
- Tweedy Boulevard: retail and service buildings
| Building type | Common roof system | Typical age | What South Gate does to it |
|---|---|---|---|
| Warehouses and plants | Built-up roof | 30 to 60 years old | Ponding and wet insulation |
| Retail centers | TPO | 5 to 20 years old | HVAC traffic |
| Small retail | Modified bitumen | 20 to 40 years old | Parapet leaks |
What does the South Gate climate do to a flat roof?
The South Gate climate is warm and dry with light marine influence, and freeway and rail residue settles on roofs through the dry season.
Older industrial roofs show heat cracking and ponding.
How often should a South Gate commercial roof be inspected?
A South Gate commercial roof should be inspected twice a year, spring and fall, and older industrial roofs benefit from a moisture scan before any sale or refinance.
Our commercial roof inspection page explains what each visit covers.
What does a maintenance program cost in South Gate?
A maintenance program for a 100,000 square foot warehouse and manufacturing building in South Gate costs $22,000 to $25,000 a year on our Protect program, priced at $0.22 to $0.25 per square foot with a $2,500 minimum.
Protect fits most South Gate industrial roofs because older roofs need regular repair to stay watertight. Every tier and what it includes is on the maintenance programs and pricing page.
Calculated from 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 South Gate?
We can scan a roof in South Gate as soon as roof access is confirmed after your request, and a 100,000 square foot warehouse and manufacturing building takes about 2 hours at roughly 50,000 square feet an hour, with the PE-stamped report delivered within 48 hours.
South Gate warehouses usually have yard access, which keeps scan setup simple. Send the South Gate address through our roof scan request form, or see coverage across Los Angeles County.
What else do South Gate property owners ask about roof inspection?
Are South Gate industrial roofs older?
South Gate industrial roofs are often older, with much of the stock built from the 1940s through the 1970s.
Do you inspect the Azalea center roofs in South Gate?
We inspect retail roofs at the Azalea center in South Gate and split reports by tenant.
Which parts of South Gate do you cover?
We cover every flat and low-slope commercial roof in South Gate, including Firestone Boulevard industrial area, Azalea shopping center and Tweedy Boulevard.
How long does a roof scan take on a warehouse and manufacturing building in South Gate?
A roof scan on a 100,000 square foot warehouse and manufacturing building in South Gate takes about 2 hours, because our robotic scan covers roughly 50,000 square feet an hour, and the PE-stamped report follows within 48 hours.
What is the most common commercial roof system in South Gate?
Built-up roof is the most common roof on South Gate's warehouses and plants stock, and those roofs are typically 30 to 60 years old.
Who issues reroof permits in South Gate?
Reroof permits in South Gate are issued by the City of South Gate building department. South Gate industrial buildings may carry multiple roof layers, and a third layer is not allowed.
Schedule a non-destructive roof scan in South Gate.
Trusted since 1983 on over 20,000 commercial roofs. California License 435836.