Re-siding or re-glazing a multi-unit property is a different project from a single house, and it calls for a contractor who plans around occupancy, budgets, and boards — not just walls. Bay Area Siding Company, a Larkspur-based siding and window contractor, works with property managers, HOA boards, and apartment and condominium owners across the San Ramon Valley on large-scale exterior renovation: portfolio re-siding, community-wide window replacement, and the phased scheduling that keeps a tenant-occupied or resident-owned property functioning while the work gets done.

Planning a building or a community? Request a bid or call (415) 619-5167 to schedule a consultation.

Built for occupied, multi-unit work

The hard part of multifamily exterior work is rarely the cladding — it is doing it around people who live there. What we plan for:

• Phasing and sequencing. We stage the work building by building or elevation by elevation so residents keep access, parking, and quiet hours as much as possible, and so no unit is left exposed to weather overnight.
• Tenant and owner communication. Clear notice windows before crews reach a given unit, coordinated with your management or board so residents know what to expect and when.
• Consistent scope across many units. On a portfolio, the value is in doing every unit to the same standard and specification, so the property ages evenly and future maintenance is predictable.
• Minimizing disruption. Dust control, secured staging, and daily cleanup matter more, not less, when dozens of households share the site.

Where the long-term savings come from

For an owner or a board, exterior renovation is a capital decision, and the case for doing it well is a maintenance-cost case. Moving an aging complex to low-maintenance cladding — fiber cement, insulated vinyl, or a CertainTeed system — ends the recurring repaint-and-patch cycle that eats reserve budgets. Replacing tired single-pane or failed dual-pane windows across a community cuts drafts and complaints and improves each unit's comfort. We help you weigh upfront cost against the years of deferred maintenance you are buying out of.

Architectural consistency for HOAs

For an HOA board, uniformity is often the whole point. Communities carry architectural guidelines, and a re-side or window replacement has to hold the approved palette, profile, and trim across every building so the property reads as one coherent development. We work from your architectural standards, document the specification, and install to it consistently — and where the board is choosing a new standard, we lay out the material and color options so the decision is made once and applied everywhere. Consistency also protects unit values, which is ultimately what a board is stewarding.

Code and fire compliance across many units

Because Alamo is unincorporated, multifamily exterior work is permitted and inspected through Contra Costa County's Department of Conservation and Development, Building Inspection Division in Martinez. On a multi-unit project the code questions scale up: window replacements bring California's Title 24 energy requirements and egress and safety-glazing rules into play across every unit, and properties near the Las Trampas or Diablo wildland edges may face fire-area material considerations. Whether those fire provisions apply depends on the property's hazard designation and the scope of work — we confirm the specifics with the County and coordinate the inspection sequence across the whole project rather than unit by unit in isolation.

What we handle

• Full re-siding of apartment and condominium buildings, including tear-off to the sheathing and substrate, inspection and renewal of the water-resistive barrier and flashing, and installation of the chosen system to spec across every unit.
• Community-wide window replacement — retrofit or full-frame, matched to the condition of each opening — in brands including Milgard, Anlin, and others.
• Mixed scopes where siding and windows are done together to consolidate disruption and permitting into one mobilization.

What drives a multifamily budget

Every property is priced on its own, and the drivers are portfolio-scale versions of the usual ones: the number of buildings and units, total wall area and elevation complexity, the material and window brand selected, retrofit versus full-frame window installs, any fire-area or Title 24 requirements, what tear-off uncovers across an aging property, the phasing plan, and site access and staging. We scope the property, put the specification in writing, and give you a real number and a schedule your board or owners can plan around.

FAQ

Can you work on an occupied apartment or condo community? Yes — that is most of what multifamily work is. We phase the project by building or elevation, coordinate notice with your management or board, and stage the work so residents keep access and no unit is left open to weather. Minimizing disruption is built into the plan.

Will you follow our HOA's architectural guidelines? Yes. We install to your community's approved palette, profile, and trim so the property stays consistent across every building, and we document the specification. Where the board is selecting a new standard, we lay out the options so it is decided once and applied everywhere.

Who permits multifamily exterior work in Alamo? Contra Costa County's Building Inspection Division, because Alamo is unincorporated. On a multi-unit project we coordinate the permit and inspection sequence across the whole scope, including Title 24 for windows and any fire-area material requirements the County confirms.

How do you handle budgeting for a board or owner? We scope the full property, put the specification and phasing in writing, and provide a number and schedule you can take to a board or ownership group. We frame it around the long-term maintenance savings, not just the upfront cost.

Schedule a multifamily consultation

Call (415) 619-5167 or request a bid. We serve Alamo and the wider Contra Costa area — see completed exteriors in our project gallery. For single-home projects in the area, see Alamo siding replacement and Alamo window replacement.