Handyman Jobs in South San Francisco: Tax at the Permit

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Working legally here

South San Francisco's contractor tax, charged permit by permit

South San Francisco requires a business license of anyone operating or doing business in the city, home-based businesses included, and anyone paid for work done under a building permit must hold one. For construction contractors the tax changed in January 2025: the flat yearly fee is gone, and 0.18 percent of the work's valuation is assessed each time you apply for a permit, with that payment serving as proof of the tax. You still file every year to keep the license active, paying only the state-mandated disability access fee, which issues no certificate but lets you pull permits. Registration is done once at permits.ssfca.gov as a Licensed Contractor, where the portal validates your CSLB number. Late tax now draws 10 percent a month, up to the full amount.

Source: City of South San Francisco, Finance Department

Permits

South San Francisco permits: online records, re-roof checks, windows

Over-the-counter permits in the online center
The Building Division's online permitting center issues over-the-counter permits for water heaters, furnaces, electrical upgrades, re-roofing, windows, photovoltaic systems, garage doors, siding, and kitchen or bath updates that move no walls, and it takes uploaded plans for larger residential and commercial work. A state-licensed contractor may take out permits only for the work the license covers. For any residential project that adds floor area or a new structure, the city asks for preliminary clearance from PG&E before you submit. The counter at City Hall is open weekdays from 8 a.m. to 4 p.m., closed from noon to 1.
Source: City of South San Francisco, Building Division
What the re-roof inspector looks for
The city's re-roofing handout wants inspections called in before work starts and the job card on site throughout. The in-progress inspection comes once at least two courses, and no more than half of the new covering, are down; miss it and you can be told to strip 50 percent of the roof. Only one overlay is allowed, after a pre-inspection. Where the wall meeting the roof is stucco, existing stucco is chipped out to expose the lath at tear-off so flashing can go under the lathing paper, and Municipal Code 14.04.160 forbids leaving copper gutters or flashing exposed: they must be treated or painted.
Source: City of South San Francisco, Building Division
Window swaps and the detector rule
South San Francisco's residential window handout sets two conditions that catch out a simple swap. Every new or replacement window must be at least dual-paned, and smoke and carbon monoxide detectors are required on all residential permits, window replacements included. Smoke detectors go in every bedroom, on each floor level and in the hallways outside bedrooms, and combination units may stand in for separate devices. A window quote here should cover checking the alarms the inspector will look for, and adding any that are missing.
Source: City of South San Francisco, Building Division

The homes

23,194 homes and a median year built of 1963

The ACS 2019-2023 estimates count 23,194 housing units in South San Francisco, with a median year built of 1963. The 1950s are the biggest decade at 25.4 percent of units, the 1940s add 12.1 percent and 7.8 percent are older still, so 45.3 percent of the stock predates 1960. Building never stopped, though: 13.3 percent of units date from 2000 or later. Detached houses make up 59.3 percent of units and attached houses 10.1 percent, while 14.4 percent sit in buildings of 20 or more units. Owners occupy 60.8 percent of occupied homes, and utility gas heats 63.7 percent of them, against 32.0 percent heated by electricity.

Source: U.S. Census Bureau

Part by part

South San Francisco sub-areas, as the General Plan surveyed them

Westborough
Across I-280 and cut off from the rest of the city, Westborough splits in two. The north half is 1960s townhouse-style housing set around shared greens along Greendale and Carter drives; the south half is small-lot detached houses on a connected grid. Homes date from 1956 to 2013, and a cluster of five-story condominium buildings stands there too.
Winston-Serra and Winston Manor
Between I-280 and El Camino Real, 98 percent of the housing is single-family, built from 1936 onward, among the city's older streets. An 80-foot County Water Company right-of-way runs from the cemetery to Alta Loma Middle School, and North and West Winston Manor are cut off from nearby shops by arterials and the freeway.
Avalon-Brentwood
One of the oldest neighborhoods, with homes from 1928 to 1999, boxed in by the golf course, the freeway and the cemetery so that only about seven streets lead in or out. Its unincorporated county pockets have lots of an acre or more, setbacks over 50 feet, horse ranching and streets without curbs or gutters, and the County handles development review there.
Paradise Valley and Terrabay
Between Highway 101 and Sign Hill, against San Bruno Mountain. Flatland houses sit on a grid in the valley, with hillside condos and larger homes above them that needed extensive slope, drainage and seismic work. Many streets here are privately owned and maintained, and the General Plan report flags wildfire and rockfall risk on the slopes.
Downtown and Sign Hill
Downtown is the oldest area, with buildings back to 1890, little or no setback, and more than 45 mixed-use parcels, homes over shops, most of the city's stock of that type. Sign Hill above it is all residential, mostly smaller, older single-family houses, some from 1903, and its hillside sign is listed on the National Register of Historic Places.

Getting around

A South San Francisco workday: dumpsters, signs and Oyster Point

Highway 101 separates the homes from the industrial and biotech land to the east, where there are only four ways into Oyster Point, and I-280 sets Westborough apart on the west. A dumpster that sits in the street must come from the South San Francisco Scavenger Company, the city's sole waste franchise, though a licensed contractor building or demolishing may bring their own. Any container in the public right-of-way needs an encroachment permit from Engineering, with a site sketch, city-issued No Parking signs posted 72 hours ahead, a call to Police Dispatch when they go up, and paid meters for the whole permit if it takes a metered space.

How hot leads work

From the first text to the homeowner's door

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Pay, then call the homeowner
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Questions

Working in South San Francisco: what pros ask

When is South San Francisco's 0.18 percent contractor tax actually collected?

At the permit application, on the valuation you give for the work, for every permit submitted since January 1, 2025. That payment is your proof the tax was paid. The yearly filing with only the state-mandated fee keeps your license active and lets you pull permits, but the city's contractor FAQ is clear that the fee is not the tax and that no certificate is issued for it.

I do small repairs without permits. Which South San Francisco tax applies to me?

Not the permit-valuation tax, which is for construction contractors. Every business working in the city still needs a license, and the 2026 rate table places repair and other services among the general business classes: a base rate plus a charge for each employee, counting independent contractors paid on 1099s, with no cap since 2025. Renewals for 2026 were due by February 28.

Does a window replacement in South San Francisco need a permit and an inspection?

Yes. Windows are among the permits the online center issues over the counter, and the work is inspected like any other permit, with the inspection record card and approved plans kept on site. The window handout requires dual-paned units and working smoke and carbon monoxide detectors, so look at the alarms when you measure the openings.

Is every South San Francisco address permitted by the city?

No. The General Plan's existing conditions report describes unincorporated county land inside the Avalon-Brentwood sub-area, with lots of an acre or more and streets without curbs or gutters, where the County is responsible for development review. Confirm which agency covers the parcel before you promise the owner a permit timeline.

If I join the hot list, can I take South San Francisco jobs and pass on the rest?

Yes. Every new Bay Area job is texted as it goes on sale, between 8 a.m. and 8 p.m., with its trade, its area and a link, whichever city it is in. Open the ones near Westborough or Grand Avenue, read the job and its price, and pay only if you want it. Nothing is billed monthly, there is no bidding, and replying STOP ends the texts.

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Where these facts come from

Checked against these public sources in October 2026. Rules and fees change: confirm license and permit requirements with the city before work starts.

ssfca.gov: Business License Information
ssfca.gov: 2026 tax rate table
ssfca.gov: contractors frequently asked questions
ssfca.gov: registeringasalicensedcontractor
ssfca.gov: Building Division
ssfca.gov: Plan Submittal Permit Requirements
ssfca.gov: Building Inspections
ssfca.gov: Reach Codes
ssfca.gov: 2025 reroofing requirements
ssfca.gov: 2025 residential window light and ventilation handout
ssfca.gov: temporary storage container fact sheet
shapessf.com: SSF ECR AllChapters
data.census.gov: ACSDP5Y2023
data.census.gov: ACSDT5Y2023

South San Francisco taxes a contractor's work when the permit is filed

Get job leads in South San Francisco from today

You're on the hot list

South San Francisco's contractor tax, charged permit by permit

South San Francisco permits: online records, re-roof checks, windows

Over-the-counter permits in the online center

What the re-roof inspector looks for

Window swaps and the detector rule

23,194 homes and a median year built of 1963

South San Francisco sub-areas, as the General Plan surveyed them

Westborough

Winston-Serra and Winston Manor

Avalon-Brentwood

Paradise Valley and Terrabay

Downtown and Sign Hill