Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Tustin
Tustin is a city of two housing stocks, and that fact drives almost every decision we make on a job here. In the 92780 core around Old Town, we work on 1950s and 60s Eichler-influenced tract homes with low-slope roofs, exposed beams, and original single-pane glass. Six minutes east in Tustin Ranch (92782), it is production stucco-and-tile from the 1980s onward. A General Contractor who only knows one of those building types will misread the other, and the homeowner pays for it. We have crew members who can walk a Meredith Manor flat-roof assembly and a Tustin Ranch pitched tile roof in the same week, and we quote both correctly. If you are planning work in Tustin, call (866) 253-5808 for a free estimate.
Why Timberline Contractors Is Tustin’s Preferred General Contractor Company
Tustin homeowners tend to do their homework. They know the difference between a contractor who slaps a bid together and one who can explain why a low-slope tar-and-gravel roof needs hot-dip galvanized fasteners at the fascia while a Tustin Ranch tile roof does not. That is the conversation we have on almost every estimate, and it is why we get called back for the next project.
Our work in the 92780, 92781, and 92782 ZIP codes runs from full kitchen and bath remodels to additions, ADUs, and exterior envelope repairs. Nelson Fung runs each Tustin project personally, from first walkthrough through final inspection. He will tell you which material tier makes sense for your house, which brand holds its warranty on that application, and where not to spend. That level of straight talk builds trust in a city where the housing stock does not forgive shortcuts.
Styles & brands we work with
Licensed General Contractor in Tustin
A Licensed General Contractor in Tustin takes legal and financial responsibility for the entire build: scope, subcontractors, permits, material procurement, scheduling, and final inspection sign-off. On the flat-roof Eichler-style homes near Old Town, that responsibility includes understanding low-slope detailing, exposed-beam structure, and original window openings. On Tustin Ranch production homes, it means knowing stucco and tile systems well enough to tie an addition into the existing envelope without creating a leak path.
Flat-Roof and Envelope Work
The Eichler-influenced homes in the 92780 core fail at specific points: fascia edges, plumbing penetrations, and where the low-slope roof meets original single-pane glass. A roof replacement on one of these homes runs $8,000 – $20,000, and the right spec calls for hot-dip galvanized or stainless fasteners, not the inland-grade hardware a cheaper quote will include.
Additions and ADUs
A home addition in Tustin typically runs $45,000 – $130,000. An ADU construction project lands between $90,000 and $220,000. Both require structural review against the existing foundation and roof line, and on the older stock, any addition has to respect the low-slope profile and post-and-beam framing, which a straight production-home builder often misses.
Residential General Contractor in Tustin
A Residential General Contractor in Tustin manages remodels and renovations across both halves of the city: the 1950s – 60s single-story tracts and the newer two-story subdivisions. We hold one contract for interior work, exterior work, and outdoor living, so a homeowner adding a paver patio does not have to call a separate hardscape crew and hope their work ties into the new siding or roofline correctly.
Kitchen and Bath Remodels
Kitchen remodels in Tustin run $14,000 – $45,000 depending on scope, cabinet tier, and countertop selection. Bathroom remodels typically fall between $9,000 and $28,000. We bring the showroom to the job, with access to 50-plus brand partners including Cambria and Silestone quartz, KraftMaid and Wellborn cabinetry, and Kohler, Toto, and Grohe plumbing fixtures. You choose the material tier; we manage the installation.
Whole Home and Exterior Work
Whole home remodels, window replacement ($4,500 – $15,000), and roof replacement ($8,000 – $20,000) are common in Tustin, especially on the older stock where original windows and roofing have reached the end of their useful life. James Hardie siding from our partner roster is a durable option for the dry, Santa Ana-wind-driven summers that bake exterior surfaces across Tustin.
Trusted Brands We Service in Tustin
We install and service materials from a curated list of manufacturers we trust, and Tustin homeowners benefit from that access. For hardscaping, we work with Unilock, Techo-Bloc, and Cambridge Pavers, three paver and retaining-wall brands with strong engineering and color consistency. For windows and doors we rely on Therma-Tru, PGT, and CGI. Roofing options come from GAF, CertainTeed, Owens Corning, IKO, Atlas, and Tamko. We stock common replacement parts at our shop and keep turnaround tight for Tustin customers. What we will not do is push a brand that does not suit your application, with the exposure and drainage realities of your block.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Tustin Homes
- Inland-grade fasteners on flat-roof Eichler-style homes. The fascia and plumbing penetration points on 92780 homes corrode first, and cheap zinc-plated hardware fails there within a decade. We specify hot-dip galvanized or stainless hardware from day one.
- Treating a low-slope tar-and-gravel roof like a Tustin Ranch tile roof. Any reroof or addition on the Old Town stock has to respect the exposed-beam structure and low-slope profile. A contractor who does not know the difference will create a leak path.
- Verbal pricing on the coastal-spec-versus-inland-spec gap. Homeowners hear a low number, then get change orders. We put the scope of work, material allowances, and fastener and finish specs in writing before the first day of work.
- Original single-pane glass left in place during a remodel. On 1950s homes, that glass is a comfort and efficiency loss, especially in the inland heat. We replace it with frames that match the post-and-beam openings, which keeps the original character intact.
Pricing for General Contractor in Tustin, CA
Here are the line-item ranges we quote most often in Tustin. These are market-calibrated for the city, based on the work we have completed across 92780, 92781, and 92782:
| Project | Typical Tustin Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
The biggest cost driver in Tustin is the type of house. A flat-roof Eichler-style reroof in 92780 costs more per square foot than a pitched tile roof in Tustin Ranch because the detailing is more demanding and the hardware spec is more expensive. On the older stock, the coastal-spec version of a job, with stainless or hot-dip fasteners and marine-grade finish on exposed metal, is the version that survives the inland heat and Santa Ana wind cycles. Call (866) 253-5808 to schedule a free estimate, and we will put the numbers in writing.
We Also Serve Cities Near Tustin
Our service area extends beyond Tustin into the surrounding Orange County communities. We work regularly in Tustin, as well as North Tustin, Santa Ana, Irvine, and Orange. If you live just outside the city limits, the same material access and installation standards apply.
Serving Tustin, CA — Our Local Coverage Area
We’re based in the Tustin 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 About General Contractor in Tustin
Because the work is different. A low-slope tar-and-gravel roof on a 1950s Eichler-influenced home requires detailed work at the fascia, plumbing penetrations, and beam ends, plus hot-dip galvanized or stainless fasteners instead of standard hardware. That materials and labor spec pushes a Tustin flat-roof reroof toward the $8,000 – $20,000 range. If a tile repair quote in Tustin Ranch is lower, it is often because the scope is smaller or the spec is inland-grade. Call (866) 253-5808 and we will show you the line items.
No. The inland heat and Santa Ana winds bake exposed metal, dry out sealants, and stress railings and paver joints across the year. We do not install marine-grade finishes for the salt air; we install them because the temperature swings crack cheaper coating systems faster, and because front fascia and exterior metal are the first places failures show up. Call (866) 253-5808 to review what your specific home needs.
Scope of work, material allowances, brand names, fastener and finish specs, permit responsibilities, payment schedule, and change order terms. That written scope is how we prevent the coastal-spec-versus-inland-spec gap from reopening the price after work starts, and it is how a homeowner in Tustin can compare two quotes line by line. We write it all down before the first day.
We pull the permits for the city of Tustin, schedule the inspections, and manage the sign-off after each phase. For a home addition ($45,000 – $130,000) or ADU construction ($90,000 – $220,000), the review covers structural load, roof tie-in, and envelope compliance, and the older Eichler-style stock receives extra scrutiny on low-slope detailing. We handle that conversation directly with the building department.
Yes, generally. The 1980s – 2000s homes in Tustin Ranch have pitched tile roofs, conventional stucco framing, and standard window openings that are easier to tie into. The 1950s – 60s Eichler-influenced homes near Old Town have exposed beams, low-slope roofs, and original single-pane glass that demand more care and a different fastener and glazing spec. Both are doable; the Old Town stock just costs more per square foot to do correctly.
Ready to talk about your Tustin project? Call (866) 253-5808 to schedule a free estimate with Timberline Contractors. One contractor, every phase, from the foundation to the ridge cap.
Written by Nelson Fung, Owner at Timberline Contractors, serving Tustin, CA.