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Abodu Construction in San Francisco, CA | San Bernardino Contractors
We’re an independent contractor that sets Abodu units on San Francisco lots, and we’re not affiliated with or authorized by Abodu. The one thing that makes our Abodu work here different is this: a factory module still has to clear SF Planning, historic-resource review, and DBI before it touches the ground. You need a contractor who knows both the unit and the permit gauntlet. Call (855) 473-5620 for a free estimate on your Abodu placement, ADU construction, or garage conversion in San Francisco.
Why San Francisco Residents Choose Us for Abodu Service
We’ve set Abodu One, Abodu Two, and Abodu Studio units behind Victorians, Edwardians, and soft-story apartments across San Francisco, including Abodu service in Noe Valley. Ruben Castillo, our owner, got his training the old way: watching his uncle frame garages and reroof houses, then studying construction technology full-time. He knows what a level pad means on a lot that’s been backfilled three times since 1905. Most San Francisco homeowners call us because a neighbor watched our crew work and liked how we cleaned up.
We carry Abodu OEM components for the structural, envelope, and proprietary connection details. For sealants, hardware, and finishes where OEM isn’t required, we spec quality aftermarket parts that hold up to Pacific damp. That means faster turnaround and honest pricing. You also work with one contractor from pad pour to final DBI inspection, not a chain of subs pointing fingers.
If you’re weighing an ADU against a home addition or garage conversion, Abodu sales & service pages can help you compare routes. We’ll tell you straight which makes sense for your lot.
Styles & brands we work with







Common Abodu Construction Problems We Solve in San Francisco
- Roof-edge sealant failures from wind-driven rain. The fog belt off the Pacific pushes rain sideways into every failed flashing and joint. On factory modules, the site-built interface between the unit’s roof edge and any attached canopy or deck is the first place water gets in. We re-flash, reseal, and replace rotted trim before it spreads into the module’s envelope.
- Moisture-driven rot and wood-boring beetles at the skirt and base. A damp, foggy lot with poor drainage keeps the module’s base close to grade wet for months. That invites rot and beetles. We regrade site drainage, replace damaged skirting, and repair the module-to-grade connection before the frame sees real damage.
- Settlement and racking where the pad meets old fill. San Francisco lots are notoriously patched: former garage slabs, old fill, and debris from the 1906 era. When a pad settles unevenly, the module-to-foundation connection takes the stress. We catch this early, level the connection points, and re-secure the module before doors and windows start binding.
- Utility-tie conflicts at the trench line. Running power, water, and sewer from a century-old Edwardian to a new Abodu unit means meeting existing services that were never designed for more load. We map the existing service, upgrade what’s needed, and make sure the lateral connections are clean and permitted through DBI.
- Party-wall access and neighbor sign-offs stalling the pad. On a 25-foot lot, the long pole isn’t the module. It’s getting the neighbor’s consent, posting dust and noise notices, and sometimes completing a historic-resource evaluation before anyone can pour. We handle that paperwork as part of the job scope.
Abodu Service in San Francisco: What Local Conditions Mean for Your Equipment
Here’s the San Francisco-specific reality most ADU brochures skip: SF Planning requires historic-resource evaluation and CEQA review on projects in the 94102 – 94111 ZIP range. Put an Abodu behind a protected pre-1940s Victorian, and you may need a historic-resource report and design review before a pad can be permitted. That’s not a county layer a neighbor city imposes on a backyard ADU. It’s a San Francisco thing. The schedule belongs to SF Planning and DBI, not the trades. We’ve sat in those queues and know what triggers review and what clears on a simple over-the-counter permit. That’s the difference between a unit that starts on time and one that sits in permit purgatory for months. On one Abodu in Mission District lot, a 25-foot-wide Edwardian row, the neighbor’s sign-off and dust-and-noise notices became the long pole before we could pour. Once permitted, fog-belt rain found the module’s roof-edge sealant, so we re-flashed the site-built interface and resealed the roof edge. The unit has stayed dry through two wet seasons. That’s what local Abodu service in San Francisco actually looks like.
Abodu Models & Products We Service in San Francisco
We service the full Abodu line: Abodu Studio for a single-room backyard unit, Abodu One with one bedroom, and Abodu Two with two bedrooms. We also handle the site side: pad prep, utility trenching, foundation, and the module-to-house connection. For parts, we use Abodu OEM components on structural and envelope details, and quality aftermarket hardware and sealants where OEM isn’t required. We stock common sealant and flashing materials locally for fast San Francisco turnaround, and we’ll tell you straight whether your module issue is a fixable site-interface problem or something that needs factory-level attention. If you’re in a different part of the Bay Area, check our San Francisco service area page for coverage details.
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AfterAbodu Service Pricing in San Francisco
What you’ll pay depends on your lot, your unit choice, and how much foundation and utility work the site needs. Here are realistic ranges for San Francisco work:
| Project | Price Range |
|---|---|
| ADU Construction | $106,200 – $259,600 |
| Home Addition | $53,100 – $153,400 |
| Garage Conversion | $35,400 – $94,400 |
Your free estimate includes a site walk, a look at your existing pad or foundation, and a line-item breakdown. No vague allowances. Call (855) 473-5620 to schedule yours.
Serving San Francisco, CA — Our Local Coverage Area
We’re based in the San Francisco area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Abodu Construction in San Francisco
Yes, often. SF Planning requires historic-resource evaluation and CEQA review for projects touching protected pre-1940s structures in many San Francisco ZIPs. What that means for you: a historic-resource report and possibly design review before your pad permit is issued. We handle that paperwork and can tell you early whether your specific lot will trigger the full review or clear on a simpler path. Call (855) 473-5620 and we’ll give you a straight read before you spend anything.
We treat the neighbor’s sign-off, dust and noise notices, and party-wall access as part of the project scope, not an afterthought. On a Visitacion Valley Abodu service lot, we talk to your neighbor early, document the access plan, and file the required notices before any work starts. That’s the only way a rear-yard ADU gets built without a stop-work order halfway through.
It can, and it does. The fog belt pushes wind-driven rain into every flawed flashing and sealant joint at the site-built interface between the module and any attached structure. We re-flash and reseal those edges as a standard part of our installs and service calls, using materials that hold up to months of marine-layer damp. If you’re already seeing water at a roof edge, call (855) 473-5620 before the rot spreads.
Often not without upgrades. A century-old Edwardian or a soft-story apartment garage wasn’t sized for a modern ADU’s power load, water line, or sewer lateral. We evaluate your existing panel, your service drop, and your trench path, then tell you exactly what needs upgrading and what can stay. That’s the difference between a unit that trips breakers every winter night and one that runs clean.
No. We are an independent contractor. We are not affiliated with, authorized by, or endorsed by Abodu. Any Abodu unit we set is permitted through SF Planning and DBI under our own license. We use Abodu OEM parts where the unit’s structural and envelope details require them, but we answer to you and the city, not to the manufacturer.
Service Areas Near San Francisco
We serve neighborhoods across San Francisco, including the Mission, SoMa, and the Financial District, plus nearby communities. For specifics on the Chinatown neighborhood, see our Abodu service in Chinatown page. Across the water, our Abodu service in Tiburon page covers Marin-side work.
Book Your Abodu Service in San Francisco Today
An Abodu unit on a San Francisco lot is a construction project for our General Contractor in San Francisco, not a catalog delivery. It needs a contractor who knows the permit process and the fog. Call (855) 473-5620 and we’ll walk your lot, write the quote, and handle the city. Free estimates, straight answers.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving San Francisco and the Bay Area.