Oakland, San Jose, Fremont, Hayward, Concord and the cities around them. San Francisco has its own page — the rules there are different enough to warrant one.
Yes, and the variation is the largest in the state. Oakland, Berkeley and San Jose each run their own rent programs, while several neighbouring cities rely on state law alone.
| Scope of this page | East Bay, South Bay and Peninsula |
|---|---|
| San Francisco | Covered on its own page |
| Regulatory picture | Varies city by city |
| Cities with own programs | Oakland, Berkeley, San Jose |
| Pre-work filing | Depends on jurisdiction |
| Price per window | $441 installed, any size — identical in every city |
| Price per patio door | $1,441 installed |
There is no single Bay Area rulebook. Oakland, Berkeley and San Jose each run their own rent programmes, with their own registration, noticing and capital improvement provisions. Fremont, Hayward, Sunnyvale, Santa Clara and Concord vary — some operate local measures, others fall back on California's statewide Tenant Protection Act.
For an owner with a single building, that is one set of rules to learn. For an owner with a portfolio spread across three cities — which is common here — it means three different processes for the same scope of work, with different forms, different timing and different cost-recovery treatment.
We are not your compliance advisor, and we will not pretend the picture is simpler than it is. What we will do is give you a per-window cost that stays identical across every one of those jurisdictions, so the one variable you do not have to model is the price.
| City | Rent program |
|---|---|
| Oakland | Runs its own rent program |
| Berkeley | Runs its own rent program |
| San Jose | Runs its own rent program |
| Fremont | Check current local position |
| Hayward | Check current local position |
| Concord | Check current local position |
| Sunnyvale | Check current local position |
| Santa Clara | Check current local position |
Source: California Tenant Protection Act — CA Dept of Justice. General information only, not legal advice — confirm your building’s position with the relevant authority and your own counsel.
Not on energy savings alone — we will not pretend otherwise. The case that holds up is liability and maintenance timing: egress, forced sashes, water intrusion and turn time.
Ask experienced landlords what they think of window replacement and you get a consistent answer: it is oversold. One of the most-upvoted opinions on the subject is that there is no worse investment than replacing functional windows. Another common view is that the utility savings never match what window companies claim, and that in an old building heat is escaping everywhere anyway. In apartments the point lands even harder, because the tenant usually pays the utilities — so the saving, whatever it is, is not yours.
We think that skepticism is broadly right, and we are not going to argue with it. If every window in your building opens, closes, locks and keeps the weather out, replacing them purely to chase an energy number is a weak case.
Here is the case we do make. Windows in multifamily are a liability and maintenance-timing decision, not a yield decision:
Across a Bay Area portfolio the liability case is usually the only one that survives contact with three different city rulebooks. Cost recovery varies by jurisdiction and may not exist at all in some of the cities you own in, so if you are building a single capital plan across the region, egress and water intrusion are the criteria that apply consistently everywhere.
If none of those apply to your building, we would rather you kept your money.
Scheduled access unit by unit, agreed in advance. Crews work the unit they are in and nothing else, each apartment is open for hours rather than days, and it is left broom clean.
Ask a multifamily owner what worries them about sending crews into occupied apartments and they rarely mention the product. They talk about what happens when a resident comes home. Theft accusations. A bathroom used without asking. Dust left behind. A tenant who was home all day and now has a complaint about the crew rather than the window.
Those concerns are legitimate and they are the reason a window project in an occupied building goes wrong. So we work to them directly: scheduled unit-by-unit access agreed in advance, crews who work the unit and nothing else, the unit left broom clean, and each apartment open for hours rather than days. In buildings before 1978 we also plan for lead-safe work practices, because pulling old sashes is exactly the moment old paint gets disturbed.
The practical difficulty here is that the same crew may work three cities in a month, each with different tenant-notice expectations. We default to the stricter standard rather than the local minimum — scheduled access per unit, written dates, nothing improvised — because it is the only approach that travels across every jurisdiction we work in.
Where the paperwork changes at every city line, a price that does not is worth something. The same building scope costs the same in Oakland as in Fremont as in San Jose, so you can compare properties on their merits rather than on which contractor happened to bid which city.
One rate per opening, whatever its size. No change orders for a wide slider, no allocation argument later.
Three distinct eras in one market — 1920s–30s Oakland stucco fourplexes, 1960s–70s South Bay garden apartments, and two decades of podium construction along the transit corridors.
The Bay Area's rental stock does not resolve into a single type the way Sacramento's largely does. Oakland and Berkeley carry a lot of 1920s and 1930s stucco fourplexes and small courtyard buildings. The South Bay is dominated by 1960s and 1970s garden apartments built through the first valley boom. Layered on top is two decades of podium construction along the transit corridors. A portfolio here can easily span all three, and each wants a different retrofit approach — which is why we ask what you own before we recommend anything.
| Building | Approx. windows | Install time |
|---|---|---|
| 4-unit Oakland fourplex | ~18 windows | 1 day |
| 30-unit South Bay garden complex | ~120 windows | 3–5 days |
| Portfolio across 3 cities | Varies | Sequenced per jurisdiction |
Few regions vary this much over this short a distance. A building in Concord deals with genuine inland summer heat; one in Richmond or Alameda, a few miles west, deals with marine damp and wind instead. That difference changes whether the priority is solar control or air sealing and moisture. It is worth telling us where the building actually sits rather than just naming the county.
Not listed? We most likely still cover it. Send the building and we’ll confirm.
Send your window count and we’ll come back within 24 hours with a fixed per-building total. No site visit required.
