Northern California
Commercial Roof Inspection and Maintenance in Daly City, CA
Daly City sits on the ridge just south of San Francisco, where some of the heaviest fog on the coast meets large shopping centers, medical buildings and small commercial strips.
What kinds of commercial buildings are in Daly City?
Daly City's commercial roofs fall into 3 main groups: large shopping centers at Serramonte and Westlake, medical and office buildings along the Mission Street and Southgate corridors, and small commercial strips in the older neighborhoods near the San Francisco line.
Westlake Shopping Center opened in the early 1950s as one of the first shopping centers in the region, and many of its buildings have been reroofed several times since. Serramonte Center and the auto row nearby carry broad flat roofs with many rooftop units.
- Serramonte: Serramonte Center, auto dealers and surrounding retail along Interstate 280
- Westlake: Westlake Shopping Center and nearby commercial buildings
- Mission Street: older commercial strips and medical offices near the San Francisco line
- Southgate Avenue: office, medical and service buildings near the coast
| Building type | Common roof system | Typical age | What Daly City does to it |
|---|---|---|---|
| Shopping centers | Built-up roof or TPO recover | 20 to 50 years old | Constant fog moisture on seams and flashings |
| Medical and office | Modified bitumen or TPO | 15 to 40 years old | Salt air on metal edges and units |
| Older commercial strips | Built-up roof | 40 to 70 years old | Wet insulation and parapet leaks |
What does the Daly City climate do to a flat roof?
Daly City exposes a flat roof to about 20 inches of rain a year and some of the most frequent fog in California, often for most of the summer.
Constant moisture and salt from the nearby ocean wear metal flashings, fasteners and rooftop equipment, and moss and algae can grow where water lingers. Wind off the Pacific is strong on the ridge and works at loose edges.
How often should commercial roofs in Daly City be inspected?
A Daly City commercial roof should be inspected 2 times a year, with a third check after the wettest part of winter.
Fog keeps roofs damp so often that small openings let in water nearly year round, not only during storms. Our commercial roof inspection page explains what each visit covers.
What does a maintenance program cost in Daly City?
A maintenance program for a 60,000 square foot retail center in Daly City costs $13,200 to $15,000 a year on our Protect program, priced at $0.22 to $0.25 per square foot with a $2,500 minimum.
Protect fits most Daly City roofs because storm checks and repair tracking handle the near constant moisture from fog and ocean wind. Compare all 3 tiers for Daly City on the maintenance programs and pricing page.
Daly City 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 Daly City?
We can scan a roof in Daly City as soon as roof access is confirmed after your request, and a 60,000 square foot retail center takes about an hour at roughly 50,000 square feet an hour, with the PE-stamped report delivered within 48 hours.
Daly City scans are planned around fog, so we watch the forecast and choose a dry window, often in the afternoon or during fall when the fog thins. Send the Daly City address through our roof scan request form, or see coverage across Northern California.
FAQs
Does Daly City fog damage commercial roofs?
Daly City fog damages commercial roofs over time by keeping seams, flashings and metal parts damp, which speeds corrosion and lets water into small openings.
When is the best time to scan a Daly City roof?
The best time to scan a Daly City roof is usually September or October, when fog is lighter and the surface dries before the winter rains begin.
Which parts of Daly City do you cover?
We cover every flat and low-slope commercial roof in Daly City, including Serramonte, Westlake, Mission Street and Southgate Avenue.
How long does a roof scan take on a retail center in Daly City?
A roof scan on a 60,000 square foot retail center in Daly City takes about an hour, 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 Daly City?
Built-up roof or TPO recover is the most common roof on Daly City's shopping centers stock, and those roofs are typically 20 to 50 years old.
Who issues reroof permits in Daly City?
Reroof permits in Daly City are issued by the City of Daly City building department. Daly City reroof permits come from the City of Daly City building division, and coastal wind exposure should be considered in edge and attachment details during any reroof.
Which program fits most Daly City roofs?
Protect fits most Daly City roofs because storm checks and repair tracking handle the near constant moisture from fog and ocean wind.
What does a Protect program cost for a retail center in Daly City?
A 60,000 square foot retail center in Daly City costs $13,200 to $15,000 a year on Protect, at $0.22 to $0.25 per square foot a year with a $2,500 annual minimum.
Do you need to go inside the building to scan a roof in Daly City?
No. The scan runs on the roof surface in Daly City, so offices, plants and tenants below carry on as normal.
How soon after the scan is the Daly City report delivered?
Daly City owners receive the PE-stamped report within 48 hours of the scan, with the Moisture Map, Deficiency Map, Roof Condition Score and Estimated Remaining Service Life.
Which roof systems do you scan in Daly City?
In Daly City we scan TPO, PVC, EPDM, modified bitumen, built-up and spray foam roofs on flat and low-slope commercial buildings.
How do I book a roof scan in Daly City?
Send the Daly City address through the roof scan request form or call (310) 647-7192.
Schedule a non-destructive roof scan in Daly City.
Trusted since 1983 on over 20,000 commercial roofs. California License 435836.