Permits come from San Mateo County, not Redwood City
Many North Fair Oaks addresses carry a Redwood City mailing label, which leads people to assume the city issues their permits. It doesn't. North Fair Oaks is a census-designated place under county jurisdiction, so reroofs and structural repairs are permitted by the San Mateo County Planning and Building Department. The county's North Fair Oaks Community Plan also guides land use here, which matters if you are adding a backyard unit or converting a garage.
Roofing services North Fair Oaks homeowners ask for most

Roofing Contractor in Campbell
Roofing for county-permitted homes, duplexes and second units packed between Redwood City and Atherton, with the San Mateo County Planning and Building filing handled as part of each North Fair Oaks job.
Learn more →
Roof Repair
Patched chimney flashing, worn shingles over old plank decks and leaking joints where additions meet the original roof are the repairs North Fair Oaks houses need most often.
Learn more →
Roof Replacement
Small houses and backyard units off Middlefield Road can be reroofed one at a time, each priced on its own line and filed under its own county permit.
Learn more →
Gutters & Downspouts
Deep, narrow North Fair Oaks lots leave eaves a few feet from the neighbor, so downspouts have to carry roof water toward the street instead of into the side yard next door.
Learn more →
Commercial Roofing
Older built-up flat roofs on Middlefield Road storefronts need seam, parapet and drain work before the wet season, ideally scheduled outside business hours along the busy corridor.
Learn more →
Attic Ventilation & Insulation
Older North Fair Oaks houses often have undersized or blocked vents under low roofs, and attics trap heat and moisture that age the shingles and stain ceilings from the inside.
Learn more →
Roof trouble in North Fair Oaks?
We drive out from Campbell (about 40 min (23 mi)). Call to book an inspection.
Small older homes, duplexes and backyard units off Middlefield Road
The streets on either side of Middlefield Road hold compact older houses, many on deep narrow lots, along with duplexes and second units added over the years. Roof work here tends to be practical rather than grand.
- Older single-family homes: worn shingles over plank decking, undersized vents, and patched chimney flashing.
- Duplexes: one roof shared by two households, where the owner needs a single plan and a single estimate.
- Garage conversions and backyard units: small roofs that must tie cleanly into existing structures or stand alone with their own drainage.
- Corner commercial buildings on Middlefield: flat roofs with parapets and older built-up layers.
Density shapes almost every roof decision here. The 2020 Census counted 14,027 people on about 1.2 square miles of land, close to 11,700 per square mile, one of the densest communities in the county. Eaves sit a few feet from the next house, so a tear-off needs ground tarps, careful chute placement and a plan for where the bin goes on a narrow street. Many houses have been added onto more than once, and every addition leaves a joint between old and new roofs that ages faster than either side. The ground is flat valley floor with sun most of the year, so south slopes go brittle before anything else, and winter rain from November to March tests the low points where those additions meet.

Our visit routine for unincorporated North Fair Oaks
- You tell us the address; we confirm the parcel is county jurisdiction and pick a Peninsula day.
- The estimator inspects and photographs the main roof and any outbuilding or second unit.
- You receive a written estimate with each roof priced separately, so you can do one now and one later.
- We file with San Mateo County Planning and Building and attend the county inspections.
- Narrow side yards get tarps and daily cleanup so tear-off stays out of neighbors' lots.

Middlefield Road, Fifth Avenue and the old Dumbarton rail line
Our route in runs up US-101 to Woodside Road or Fifth Avenue, then onto Middlefield Road, the commercial spine lined with shops, restaurants and older storefront roofs. The inactive Dumbarton rail corridor cuts across the residential blocks, and SamTrans is studying it for a future bus line, so lots beside it can see changes in coming years. Because North Fair Oaks is unincorporated, local services come from a patchwork of county and special districts rather than one city hall.
- Sewer: the Fair Oaks Sewer Maintenance District, run by San Mateo County Public Works, handles sewer lines; downspouts never belong in a sewer cleanout.
- Fire: the Menlo Park Fire Protection District covers much of the area.
- Land use: the County's North Fair Oaks Community Plan sets rules for second units and garage conversions, so check it before adding a roof over new living space.
What backs up our coverage here
We're straightforward about this: North Fair Oaks is not where most of our past jobs have been, and we have no local gallery or testimonials. What we do offer is a set route up 101, familiarity with the county permit process, and willingness to take small jobs, such as one flashing or one roof leak detection visit, without pushing a full reroof.
North Fair Oaks home or duplex? Call (725) 745-8803 for a free roof estimate.
Call (725) 745-8803
