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The Arlington · Colusa Circle · 94707–94708

Roofing in Kensington, CA

Kensington is Berkeley's hilltop twin — an unincorporated community in the Contra Costa hills whose house numbers follow Berkeley's pattern and whose ZIP codes, 94707 and 94708, it shares with the Berkeley Hills. Our roofing Kensington work is therefore a home game played across a county line: the same steep, winding streets, the same custom hillside homes, the same fire country. We inspect, photograph, and put every number in writing.

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Homes on a brush-covered hillside
One square mile5,428 residents at the 2020 CensusSince 1911Subdivided as Kensington Park & Berkeley HighlandsOwn fire districtThe Kensington Fire Protection District
What We Do

Roofing services we bring to Kensington

Six core services, plus the insurance documentation the hills now demand — hill-spec work, from a crew based on the same ridge.

Housing Stock

What kind of roofs does Kensington have?

Kensington was surveyed and subdivided starting in 1911 — Kensington Park and Berkeley Park west of the Arlington, Berkeley Highlands to the east — and it filled in as a streetcar suburb along Arlington Avenue, where the Key System's No. 7 line ran until 1948. The streets still show the surveyor's whimsy: English place names on one side of the ridge, colleges and universities on the other, and a network of mid-block pedestrian paths threading between the houses.

The housing is almost entirely single-family, and almost entirely hillside: custom homes from the 1920s through the postwar decades, built lot by lot on winding streets above the bay. Blake Garden — the University of California president's residence and garden — anchors the lower slope, and the two small shopping districts, at Arlington and Amherst and around Colusa Circle, are close to the community's only flat ground.

Because Kensington never incorporated, it runs its own police and fire districts under county oversight — a community of about 5,400 people that governs its hillside like a small town. Its roofs were specified by their lots: steep pitches, tile and composition and the occasional legacy shake, and access that has to be planned, not assumed.

Local Problems

What goes wrong with Kensington roofs?

Exposure, first. Kensington sits at about 590 feet on the Berkeley Hills' western face, bordered by Tilden and Wildcat Canyon parkland to the east. Diablo winds come over that ridge in the fall, and the same hills are mapped fire country — the community keeps its own fire district for a reason. A re-roof here is specced like a Berkeley Fire Zone 2 job whether or not the paperwork asks: Class A assembly, ember-resistant vents, and no wood shake.

Then, the canopy and the carry. Kensington's streets wind under mature oaks and eucalyptus, and valleys collect the litter that dams water sideways in a storm. And as in Berkeley's hills, the access is real work — narrow lanes, stepped lots, long carries from street to roof. A bid that has not walked your street is guessing at the most expensive line item.

The Kensington paths

Those mid-block pedestrian paths are part of how this community was built — and a reminder of its scale. Kensington is one square mile of hillside. A crew that works the Berkeley Hills already knows its streets, its exposures, and its rules; the county line changes the permit office, not the roofing.

How We Work

Across the county line, at home

Kensington borders Berkeley directly, and the connection is older than the county politics: through the last century Kensington was simply considered part of Berkeley, and its house numbers still follow Berkeley's pattern today. From our base at 205 University Ave, Kensington addresses are Berkeley-hills addresses in every way that matters to a roofer — same ridge, same wind, same housing generations.

One honest difference: permits. Kensington is unincorporated, so building permits run through Contra Costa County rather than a city hall. We handle the county process the way we handle Berkeley's — pulled before the work, closed out after it.

Where We Work

Kensington's neighbourhoods, roof by roof

A single square mile, read the way its surveyors laid it out in 1911.

The Arlington corridor 94708

The spine of the community, from the Amherst Avenue shops up toward the ridge. Streetcar-era and postwar homes on the community's most travelled slope.

Colusa Circle & the lower slope 94707

The village end: homes stepping down toward Berkeley around the circle and Blake Garden, where Kensington's streets become Berkeley's Thousand Oaks.

Berkeley Highlands 94708

The upper subdivisions, streets named for colleges and universities. The highest, windiest lots in Kensington, with parkland at the back fence.

The park edge 94708

Homes bordering Tilden and Wildcat Canyon — the community's ember front line, where Class A specifications and vent screens are not abstractions.

Real Numbers

What does a roof cost in Kensington?

Kensington is far too small — one square mile — for any cost guide to publish a local index, so the honest check on roofing Kensington bids is the Berkeley-area envelope below: published ranges from the city whose hills Kensington shares, adjusted in the quote itself for the access your street demands.

JobPublished rangeSource
Small repairs — leaks, flashing, boots$300 – $800Berkeley-area contractor-published ranges
Larger repairs — valleys, decking, tile work$1,000 – $3,500Berkeley-area contractor-published ranges
Replacement, typical hillside home$13,000 – $30,000Berkeley-area contractor cost guides
Steep-lot & premium-material homes$35,000 and upBerkeley-area contractor cost guides

In Kensington the bracket-mover is access: a steep lot on a narrow lane costs more to stage and to haul than the same roof on a flat street, and we price that carry in the estimate, not as a surprise at tear-off.

Questions, Answered

Roofing Questions Kensington Homeowners Ask Us

01 Who issues roofing permits in Kensington?

Contra Costa County. Kensington is an unincorporated community — it has its own police and fire districts but no city hall — so building permits run through the county's building inspection division. We pull them for county work the same way we do for city work in Berkeley.

02 Is Kensington in a fire hazard zone?

Kensington sits in the Berkeley Hills fire country, bordered by Tilden and Wildcat Canyon parkland, and the community maintains its own fire protection district for exactly that exposure. We check each address against the state fire maps, and we spec hills re-roofs to the Class A, ember-resistant standard regardless — on this ridge, the map and common sense point the same way.

03 Can I keep a wood shake roof in Kensington?

We would not spec one on this ridge, and we will tell you why plainly: shake is the material the East Bay hills' fire history is written in, and insurers rate it accordingly. Most Kensington shake owners we meet are converting to a Class A assembly that keeps the profile they love — we will show you the options, with photographs of each.

04 Why do Kensington quotes vary so much?

Access. Two identical roofs on two Kensington streets can be different jobs: one stages from a driveway, the other needs every bundle carried up a stepped lane. Bids that skip the site walk are bidding different work. Ours price the carry at the estimate, after we have walked the street.

05 Do you really serve a community this small?

Kensington is one square mile that borders our home city — its southern streets are minutes from our base, and its roofs are the Berkeley Hills roofs we work every week. Small is not a disqualifier here; it is most of what we do.

Ready When You Are

One square mile of hillside, treated like home.

Start roofing Kensington with the evidence first: photographs of your roof as it stands, one written scope, and a number checked against published Berkeley-area ranges. Call us — we are just down the hill.

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