Janitorial Services in San Francisco, CA
Janitorial services for San Francisco offices, shops, and shared building interiors. Ascent Cleaning provides recurring cleaning and porter support for commercial properties.
Cleaning that fits a busy city building
In San Francisco, a single building can hold a lobby open to the public, tenant offices on several floors and shared corridors used all day. We set out which areas belong to the building and which belong to each tenant, so nothing is cleaned twice or missed.
Busy shared spaces can get porter visits during the day, while offices are cleaned after hours. Nearby, we also serve Richmond and Concord.
Shared-building and tenant spaces
Common corridors and tenant suites each get their own schedule. Porters keep busy shared areas in order by day, and vacant suites get a turnover clean before the next tenant moves in.
High-rise office towers
Downtown towers keep their lobbies on show from early morning to evening, with tenants, couriers and visitors crossing the same stone or polished floors all day. A porter keeps lobby glass, entry floors and elevator landings tidy through business hours, and the full clean of restrooms and tenant floors runs after the building empties.
Large buildings work best with a floor-by-floor schedule: common restrooms and corridors on every visit, tenant suites at the frequency each tenant chooses, and lobby floors on a periodic maintenance cycle through commercial floor care.
Loft offices and life-science space
Converted loft offices tend to be open-plan, with shared kitchens and large meeting areas instead of private offices. That shifts cleaning time toward breakrooms, shared tables and restrooms, which see constant use from a full floor of people.
The city’s life-science buildings combine offices, conference space and support areas. We clean the office, corridor, restroom and breakroom areas on a recurring schedule, with disinfection of shared touchpoints on request, working to the building’s access rules and entering only the rooms each tenant opens to cleaners.
Deep cleaning a San Francisco commercial building
Recurring visits keep a building clean day to day; a periodic deep clean catches what builds up over months: dust on ledges and vents within reach, grime in restroom grout, worn carpet traffic lanes and dull hard floors. Good times to book it are before a lease renewal, a tenant open house or the start of a new year.
Pairing a detail clean with carpet extraction and floor maintenance on the same weekend gets the heaviest work done while the building is quiet. See commercial carpet cleaning for how drying time is planned.
Office cleaning costs in San Francisco
Dense, detail-heavy buildings push San Francisco prices up. Offices cleaned five nights a week typically pay $0.17 to $0.25 per square foot monthly, according to 2026 market data, and large multi-tenant towers with union contracts and detailed lobby work run well above that. Daytime porters for busy shared lobbies run $37 to $47 an hour. A 10,000-square-foot tenant floor at $0.21 comes to $2,100 a month, with the building’s common areas priced separately.
A few useful answers
Frequently asked questions
Do you provide cleaning for vacant commercial suites?
Yes. Vacant suites get a turnover clean of floors, restrooms, glass and kitchenettes before the next tenant moves in.
Can recurring cleaning happen after the building’s busiest hours?
Yes. Visits start once tenants have left, with the lobby and common areas first and tenant suites after.
Can life-science offices in San Francisco be cleaned under the building's access rules?
Yes. Visits follow the building’s sign-in and access steps, and only the offices, corridors, restrooms and breakrooms each tenant opens to cleaners are entered.
Can tenant suites and building common areas be cleaned on different schedules?
Yes. Shared areas and individual suites can each follow their own frequency and visit times.
Can a San Francisco building get porter coverage in the lobby all day?
Yes. Porter rounds are set for the hours your lobby and common areas are busiest, and the full clean follows once tenants leave.
How are medical suites in San Francisco buildings cleaned?
Waiting rooms, staff areas and restrooms get recurring cleaning, and clinical rooms are cleaned under the practice’s own protocol, as our medical office cleaning page explains.
How do I plan a deep clean for a San Francisco office?
Book it for a weekend or holiday, list the areas you want covered, and pair it with carpet and floor work so everything is done in one quiet window.
Can retail storefronts in San Francisco be cleaned after closing?
Yes. Sales floors, entrances and restrooms are cleaned after closing through our retail cleaning, so the store is ready for the next day’s customers.
What should a San Francisco building share for a quote?
The floors and tenant mix, lobby hours, which areas belong to the building and which to each tenant, and any access rules for after-hours work.
Industries