Oakland · Alameda County
Commercial Roofing in Oakland: Leak Repair, Re-Roofs and Industrial Roofs
Flat and low-slope roofs on Oakland apartments, condos, commercial and industrial buildings.
- Free roof condition report
- Photo report and line-item scope
- Certificate of insurance within 24 hours of request
Oakland's buildings: lots of small multifamily, and a big industrial base
Small multifamily. The California Department of Finance counts 75,539 housing units in buildings of five or more units and 32,987 units in 2–4 unit buildings in Oakland, a city of 429,591 (January 1, 2026). That's a large 2–4 unit share, which means many small owners and portfolio property managers, often with older flat or low-slope roofs. With only 7,547 single-attached units, Oakland's associations are mostly condo buildings rather than townhomes.
Industrial. Kidder Mathews puts the Oakland industrial submarket at 34.4 million square feet with 11.4% total vacancy (East Bay Industrial, Q3 2026). Vacant buildings still need roofs kept watertight between tenants, and a re-lease often comes with a roof condition question.
Systems we see here
Modified bitumen and built-up roofs on older apartment and commercial buildings, TPO and coatings on industrial low-slope roofs, metal on older warehouses, and skylights on industrial roofs.
Illustrative image, not a completed project.
Oakland weather: wetter than the South Bay
NOAA's 1991–2020 normals at Oakland International Airport put the year at 18.68 inches, with December the wettest month (3.84 inches), followed by February (3.51) and January (3.42). That's about 39% more rain than the San José station's 13.48 inches in the same dataset, and about 83% of it falls from November through March.
Oakland is the California Energy Commission's reference city for Title 24 climate zone 3, so a re-roof over conditioned space here generally carries the R-23 continuous insulation requirement (BayREN). See commercial roof replacement.
Bay-side wind and marine air add wear on waterfront and West and East Oakland industrial roofs.
Re-roof permits in Oakland
- Permit type: Oakland's Online Permit Center lists a "Non-Residential Re-Roofing" permit type (City of Oakland Planning & Building).
- Who it's issued to: contractors licensed for the work who hold a current Oakland Business Tax Certificate, or owners.
- Exterior changes: if the roof work changes the building's exterior or use, Planning review may apply before the building permit.
A qualifying nonresidential low-slope re-roof also has to meet Title 24 cool-roof rules, and your contractor should file the energy compliance forms with the permit. Our Title 24 re-roof guide walks through the trigger, the cool roof values and the insulation rule.
Common Oakland roof calls
Parapets and scuppers
Leaks where older walk-ups drain through the parapet.
Ponding at clogged drains
Debris after the dry season, then water that sits after the first storms.
Industrial skylights
Curbs, flashing and cracked lenses on warehouse and flex roofs.
Rooftop HVAC curbs
Penetrations and service traffic around equipment.
Vacant-building roofs
Roofs that went unchecked between tenants.
Who we work with in Oakland
Property managers and small multifamily owners
A photo report and a line-item scope you can forward, and a COI within 24 hours of request.
Industrial and flex owners
A roof condition report before a re-lease, and an honest coat-or-re-roof answer.
Condo associations
Board-ready good, better and best options for the reserve-study decision.
Nearby cities
San Leandro: just south, with 8,815 housing units in 5+ unit buildings (DOF) and 24.3 million square feet of industrial space in the San Leandro/San Lorenzo submarket (Kidder Mathews).
Hayward: further down I-880, tilt-ups and warehouses on low-slope roofs.
Berkeley: to the north, with 20,957 housing units in 5+ unit buildings (DOF).
The rest of the county: commercial roofing in Alameda County. Across the bay: commercial roofing in San Francisco.
Frequently Asked Questions
Commercial Roofing Inc. repairs leaks on Oakland apartment, condo, commercial and industrial roofs. The source is traced, a temporary or permanent repair is made, and you get photos with a line-item scope you can forward to the owner. Call (408) 770-5992. For the first steps during a leak, see commercial roof repair.
Yes. Oakland handles non-residential re-roofing permits through its Online Permit Center, and permits are issued to contractors licensed for the work who hold a current Oakland Business Tax Certificate, or to owners. If the work changes the building's exterior, the city may require Planning review before the building permit.
NOAA's 1991–2020 normals put Oakland International Airport at 18.68 inches a year, with December the wettest month at 3.84 inches. Most of the year's rain falls November through March, so fall inspections and drain cleaning catch most problems before the leak calls start.
Usually, for large enough jobs. Oakland is in California's climate zone 3, where a qualifying nonresidential low-slope re-roof must use a CRRC-rated cool roof product and, over conditioned space, generally add continuous insulation to R-23, with listed exceptions. Your contractor should file the energy compliance forms with the permit.
Yes. A roof condition report documents the membrane, flashing, drains, skylights and any wet areas with photos, and lists recommended repairs so you can decide what to fix before a tenant moves in. It's a common step in Oakland, where industrial vacancy was 11.4% in Q3 2026 (Kidder Mathews).
Let's get started
Request a bid for an Oakland building
Tell us the property, the building type and what you need. Bid invites and plans are welcome. For an active leak, call.
- (408) 770-5992Calling is fastest for an active leak