San Jose Truss Manufacturer for ADUs, Infill & Custom Builds
San Jose is California's third-largest city and the ADU capital of the state — 1,000+ ADU permits per year since 2022, plus the SB 9 / SB 10 lot-split and upzoning pipeline that's reshaping Willow Glen, Almaden, and Cambrian. Walker Lumber competes against Bay Area incumbents (Stark Truss SF, Diablo Truss) on direct-from-mill price and 50-year family-owned service — relevant to small ADU GCs and custom infill builders without national-account pricing.
Who Walker Lumber serves in San Jose
Walker Lumber has been supplying truss packages to San Jose builders, framers, GCs, and developers for years. San Jose's SB 9 lot-split and SB 10 upzoning pipelines, plus the steady ADU and JADU permit flow, mean we're delivering truss packages to small GCs and custom builders working Willow Glen, Almaden Valley, Cambrian Park, Berryessa. Every package ships on one truck with one driver and an engineering stamp that's known to your local plan-check.
San Jose building conditions that affect truss design
San Jose sits in a Wildland-Urban Interface (WUI) fire severity zone, which means California Building Code Chapter 7A applies: ignition-resistant roof assemblies, boxed eaves with fire-rated soffit returns, and ember-resistant vents are standard on every new build and most major remodels. We engineer our truss heels and eave details with Chapter 7A in mind. Seismic Design Category D/E applies in San Jose — both the Calaveras and Concord faults run through Contra Costa and Alameda counties, and we spec lateral connectors, bracing, and hold-downs to ASCE 7 code accordingly. California SB 9 (lot splits) and SB 10 (upzoning) are reshaping San Jose's residential pipeline, generating steady ADU, JADU, and small-multi-family truss demand. We engineer SB 9 / SB 10 packages routinely.
Why San Jose builders pick Walker Lumber
ADU capital of CA (SB 9/10), Willow Glen / Almaden teardown-rebuild, small-GC pricing alternative. That's the short version. The longer version: Mike Walker Lumber Co Inc has been a family-owned California truss manufacturer since 1974 — over 50 years and 10,154+ completed projects, working alongside builders like DR Horton, Shea Homes, Meritage, Toll Brothers, and Crestleigh, plus hundreds of regional GCs, custom builders, and framers. For San Jose specifically, we deliver direct-from-mill pricing plus 50-year family-owned engineering stamps — and our delivery crews know the San Jose jobsite norms and HOA staging rules cold. Call us at (916) 338-2121 or request a quote — we'll have an engineered package back inside 48 hours.
Truss types we supply for San Jose projects
Every San Jose project gets a truss package engineered from scratch — span, pitch, lumber grade, plate sizing, and connector schedule all reviewed against the loads your jobsite actually sees. Here's what we manufacture and ship to San Jose:
Residential roof trusses
Common gable, hip, scissor, and vaulted roof profiles for single-family homes in San Jose. Our shop fabricates the full range — from standard production trusses for tract subdivisions to one-off engineered profiles for custom builds. All trusses include Chapter 7A-compatible heel and eave detailing so the framing crew has what they need for fire-rated soffit returns.
Floor trusses
San Jose's multi-family and podium-construction pipeline runs heavily on engineered floor trusses — open-web design lets your trades run HVAC, plumbing, and electrical without notching solid joists. Our floor trusses ship in standard or custom depths, with the open-web design framers prefer for fast trade rough-in.
ADU & JADU truss packages
San Jose is California's ADU capital — 1,000+ ADU permits per year — and SB 9 lot splits and SB 10 upzoning have only accelerated demand. We engineer ADU truss packages from garage conversions to detached two-story units on lot splits, with standard residential pricing — no premium for ADU-scale jobs.
SB 9 lot-split & SB 10 upzoning truss timelines
Typical SB 9 lot-split projects run 12-16 weeks from approved engineering to truss delivery — slightly longer than standard single-family because the lot-split entitlement and design review add 4-6 weeks before engineering can even start. SB 10 upzoning projects (up to 10 units) lean toward multi-family product, where our floor-truss engineering gets the trades through rough-in faster than solid-joist alternatives.
San Jose delivery & permit coverage
Neighborhoods we serve in San Jose
Active project areas include Willow Glen, Almaden Valley, Cambrian Park, Berryessa, Evergreen, and other San Jose neighborhoods. Our delivery crew knows the gate procedures, HOA staging rules, and jobsite norms across these areas.
Working with San Jose's permit authority
San Jose truss permits are issued through the City of San Jose Department of Planning, Building and Code Enforcement at (408) 535-3555. We deliver engineered truss packages with stamped drawings ready to clear plan-check on the first submission. Your GC handles permit submission and inspection scheduling; we handle the engineering side.
Lead times & rush capability
Standard production lead time is 3–4 weeks from approved engineering. Rush capability runs 10–14 days when the schedule demands it — we've built San Jose packages on tight windows for insurance-driven rebuilds, hurry-up close dates, and contractor-cancellation handoffs. Quotes turn around inside 48 hours of receiving plans.
What working with Walker Lumber looks like for a San Jose project
Walker Lumber has been a family-owned California truss manufacturer since 1974 — 50+ years and 10,154+ completed projects. Here's the rhythm of a typical San Jose project from quote to set day:
Step 1 — Quote in 48 hours
Send us architect's plans and lot details for your San Jose project. Our engineering team reaches out within 48 hours with an engineered truss quote and any questions on plan-check specifics. Call (916) 338-2121 to get started or submit through our website quote form.
Step 2 — Engineering stamp & shop drawings
Once you approve the quote, our in-house engineering team produces stamped drawings to the code path applicable for San Jose (California Title 24 with city-specific amendments). Shop drawings ship to you and your framer for sign-off before we start production.
Step 3 — Production & quality control
Production runs on our 30th Street plant in North Highlands with nearly 50 employees across engineering, manufacturing, and delivery. Every truss is inspected at fabrication — lumber grade verified, plate sizing confirmed, web alignment checked — before it leaves our yard.
Step 4 — Delivery & crane-set coordination
Trusses ship on our trucks, with delivery scheduled to your framer's set day. Our delivery crew coordinates with your crane operator on staging, swing, and set sequence so the package goes from truck to roof without delay.
Ready to start your San Jose truss project?
Call Walker Lumber at (916) 338-2121 or submit your plans through our quote request form. We'll have an engineered truss package back inside 48 hours with stamped drawings ready for City of San Jose Department of Planning, Building and Code Enforcement plan-check. Mike Walker Lumber Co Inc has supplied trusses to San Jose builders for years — we know what your local plan-check expects and what your framer needs at set day.
"San Jose's ADU pipeline is enormous — SB 9, SB 10, JADU conversions, garage rebuilds. A small GC running three ADUs at a time doesn't get national-account pricing from the big yards, but we'll quote them straight off our mill basis. Willow Glen and Almaden teardown-rebuilds run continuously, and our engineering stamp turnaround keeps the framers on schedule."
— Mike Walker Lumber Co Inc Team
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Truss FAQs for San Jose
01 What's the lead time for SB 9 / SB 10 ADU truss packages in San Jose?
SB 9 lot-split projects and SB 10 upzoning ADU/JADU packages typically run 12-16 weeks from plans to truss delivery, because the entitlement and design-review steps add 4-6 weeks before truss engineering can start. Once engineering is approved, Walker's production lead time is 3-4 weeks (rush 10-14 days). We quote within 48 hours of receiving plans and structural sheets.
02 Can Walker Lumber deliver trusses to San Jose on schedule?
Yes — San Jose is well within our standard delivery range. Our manufacturing plant is at 6915 30th Street in North Highlands (Sacramento metro), and most San Jose packages arrive on the schedule the framer asked for. Standard production lead time is 3–4 weeks from approved engineering, with rush capability at 10–14 days when the schedule demands it.
03 What's the San Jose permit timeline for ADU and SB 9 projects?
San Jose ADU and SB 9 lot-split projects clear City of San Jose Department of Planning, Building and Code Enforcement at (408) 535-3555, typically running 6-10 weeks from submission to permit issuance for ADU-scale work (SB 9 lot splits add 4-6 weeks of pre-engineering design review on top). Walker engineers our ADU and SB 9 truss packages to be permit-ready on first submission, with stamped drawings sized for the lot-split or upzoning context.
04 Does Walker Lumber engineer trusses for San Jose ADUs and SB 9 / SB 10 projects?
Yes. We engineer ADU, JADU, and SB 9 / SB 10 small-multi-family truss packages regularly. San Jose's ADU permit volume — one of the highest in the state — means we've handled the full range, from garage conversions to detached two-story units on lot splits. Standard residential pricing applies; we don't charge premium for ADU-scale jobs.
05 What's the median home value and housing stock like in San Jose?
San Jose median home value runs around $1,450,000, with average housing stock age around 52 years. Active neighborhoods we serve include Willow Glen, Almaden Valley, Cambrian Park, Berryessa. School district: San Jose Unified School District. Whether you're building new, replacing trusses on a re-roof, or adding an ADU, we engineer packages to match the housing profile here.
06 What do I send Walker Lumber for an San Jose ADU or SB 9 quote?
Send architect's plans, lot address, and any SB 9 lot-split or SB 10 upzoning entitlement docs (so we engineer to the right unit count). Call (916) 338-2121 or submit through the website form. We'll return a quote within 48 hours and a stamped engineered package within ~1 week of approval — ready for City of San Jose Department of Planning, Building and Code Enforcement plan-check.