Licensed California general contractor (CSLB #972213) delivering Altadena whole-home remodels and post-Eaton-Fire rebuilds — craftsman preservation, full-scope interior and exterior, insurance-coordinated reconstruction, LA County Building & Safety permits handled end-to-end.
Hillstar Construction delivers whole-home remodels for Altadena homeowners. Our office sits on Ventura Boulevard in Woodland Hills — we travel to Altadena projects for the first site visit and stay engaged through every inspection. We work across individually landmark-designated properties and craftsman districts like Janes Village and the Country Club area, the foothill custom-build corridor, the western foothill blocks along Chaney Trail, post-war east-Altadena blocks, the Mariposa Junction commercial corridor, and surrounding 91001 and 91003 addresses on full-scope interior renovations, multi-room remodels, whole-home gut remodels, and coordinated inside-and-outside projects — including preservation-grade remodels of Janes Village craftsman homes and other LA County landmark designation properties. The same in-house team handles design, LA County Building & Safety permits, LA County historic preservation review coordination, framing, all trades, cabinetry, tile, flooring, lighting, and finish work. Licensed and insured since 2010, CSLB License #972213.
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24-Hour Response · Licensed & Insured (CSLB #972213)
Every Altadena home remodel starts with an honest conversation about scope. A targeted multi-room remodel — kitchen, a primary bathroom, family room, and a couple of supporting spaces — sits in a different design and permit lane than a whole-home gut remodel that pulls walls, reworks the floor plan, and touches the exterior. We match design decisions to the home's architectural language, and in Altadena that architectural language runs exceptionally deep. Craftsman bungalows (1900–1930, Greene & Greene-influenced) anchor Janes Village and the other LA County landmark designation. Spanish Colonial Revival, Tudor Revival, Mediterranean, and Prairie-style homes fill historic blocks. East Altadena carries post-war ranch and strong mid-century modern inventory. the foothill custom-build corridor and West Altadena (the Chaney Trail foothill, the Chaney Trail foothill) hold contemporary-custom and hillside estates.
Design deliverables include detailed drawings, material and fixture selections, a written cost breakdown, and a realistic permit-plus-construction timeline before any demolition. For scope that touches the exterior — new windows, stucco or siding changes, roof replacement, front-yard hardscape reconfiguration — we map the LA County Building & Safety permit path. For homes is individually landmark-designated or on a character-contributing block we also map the LA County historic review layer, and for hillside lots in West Altadena we account for the LA County Hillside Management Area Ordinance.
The value of a full-service remodeling contractor on a Altadena project is that every trade and every permit track is lined up before the first wall comes down. Design, structural, rough trades, finish work, LA County landmark designation coordination where applicable, and any hillside-ordinance coordination all follow one plan.
Our in-house crew manages demolition, framing, electrical, plumbing, HVAC, drywall, tile, cabinetry, flooring, and interior finish work. When a remodel extends into new square footage or structural expansion, we coordinate directly with the same team that handles home additions and new ADU construction, which keeps the entire build under one roof and one schedule.
Remodeling inside a Altadena home often means working with 1900s–1930s framing, plaster-over-wood-lath walls, galvanized supply lines, cast-iron waste stacks, knob-and-tube survivors, original single-pane wood windows, and character-defining millwork that's worth preserving rather than ripping out. A thoughtful whole-home remodel on a Altadena craftsman or pre-war home replaces the mechanical systems in full, rebuilds subfloor where moisture damage exists, preserves or recreates character-defining detail, and chooses interior finishes that honor the original architecture. Post-war ranch and mid-century properties in east Altadena have their own construction-era realities. Finished areas of the home stay protected throughout construction with dust barriers and daily cleanup.
Permit jurisdiction for an Altadena whole-home remodel runs through LA County — not LADBS (that's the City of LA). Altadena is unincorporated Los Angeles County: permits, plan checks, and inspections route through LA County Public Works Building & Safety, and hillside and historic review run through LA County Regional Planning. Post-Eaton-Fire rebuild projects use the County's expedited fire-rebuild permit pathway along with insurance-coordinated scope phasing. Whole-home scope on landmark-designated properties routes through LA County historic review in parallel with the Building & Safety permit. Foothill lots along Chaney Trail and the western foothill fall under the LA County Hillside Management Area Ordinance for any exterior-footprint changes.
A well-executed Altadena home remodel reads differently than a generic renovation. Craftsman-bungalow remodels in Janes Village and the LA County landmark designation restore or recreate period siding profiles, wood windows, porch detailing, and interior millwork while quietly bringing plumbing, electrical, waterproofing, HVAC, kitchens, and bathrooms up to modern standards. Spanish and Tudor homes maintain their period vocabularies with similar fidelity. East Altadena mid-century homes preserve their architectural clarity — long horizontal lines, floor-to-ceiling glass, clean roof lines — while updating systems. the foothill custom-build corridor and West Altadena custom remodels reach luxury-tier finish, imported stone, and integrated detailing. All share the same invisible thoroughness: plumbing, waterproofing, electrical service, and structural integrity.
Every Altadena project passes LA County Building & Safety final inspection where required and is backed by Hillstar Construction's workmanship guarantee. We walk through the finished home with you, confirm every detail meets the agreed scope, and address any final punch-list items before we consider the project closed.
Most Altadena remodels wrap with a fresh interior painting package so the new layout reads as complete when the paint goes on last. Full-exterior-inclusive remodels often add a new color coat, siding refresh, and roofing updates at the same time, so the inside and outside of the home finish together.
Altadena directly. Altadena is an unincorporated community in Los Angeles County, so permits don't go through LADBS or a city building department — they route through LA County Public Works Building & Safety, with hillside and historic review (where applicable) through LA County Regional Planning. Every permit, plan check, and inspection for an Altadena whole-home remodel goes through the County. Hillstar handles the full submission and inspection coordination directly with LA County staff.
Altadena has no LA County landmark designation (that's a City of Pasadena and City of LA framework). Whole-home remodels on individually landmark-designated Altadena homes (National Register, California Register, LA County Historic Landmark) route through LA County historic review for any work affecting character-defining features — original wood windows, period siding and porch detail, character-defining interior millwork. Homes on character-contributing blocks like the Christmas Tree Lane corridor (California Historical Landmark #990) may trigger similar review. Exterior-scope work on hillside lots along Chaney Trail and the western foothill, or other foothill blocks, additionally routes through the LA County Hillside Management Area Ordinance. Post-Eaton-Fire rebuild projects use the County's expedited fire-rebuild permit pathway. We identify which pathways apply at the design phase and manage the submissions in parallel with the Building & Safety permit.
Janes Village is one of Altadena's oldest and most architecturally cohesive pre-1920 craftsman districts — roughly 800 designated craftsman bungalows built 1900–1930 across the blocks east of Lake Avenue and north of Woodbury Road. Altadena's other designated properties are individual LA County Historic Landmark listings (National Register and California Register where applicable). If your home sits is individually landmark-designated, a whole-home remodel affecting character-defining features — original wood windows, period siding, porch detail, craftsman interior millwork — requires LA County historic preservation review in addition to the Building & Safety permit. Remodels that preserve those features while updating mechanical systems, kitchens, bathrooms, and finishes typically pass LA County historic review cleanly. Additions, exterior reconfigurations, or character-altering interior work require a more careful submission and more review time. We confirm designation status at the first visit.
Altadena sits unincorporated in LA County, so hillside review runs through the LA County Hillside Management Area Ordinance. This applies to foothill lots along Chaney Trail, the western foothill, and east-edge blocks touching Angeles National Forest. Exterior-footprint changes on hillside-designated lots face additional height, grading, cut-and-fill, and design-standard requirements on top of the standard Building & Safety permit — and slope also drives foundation engineering cost. Interior-only remodels on hillside lots don't usually trigger hillside-specific review, but any exterior work — window additions, decks, siding changes, roof replacements — does. Post-Eaton-Fire rebuilds on hillside parcels coordinate the Hillside Management Area review alongside the County's expedited fire-rebuild permit pathway. We walk every hillside lot before quoting so engineering and access cost are priced into the scope from day one.
For targeted scope — one wing, one floor, a kitchen-plus-primary-suite phase — yes, routinely. We use dust barriers, seal off active construction zones, protect finished areas, keep the jobsite clean at end of day, and sequence trades so at least some portion of the home stays livable. For true whole-home scope that pulls plumbing, electrical, and HVAC back to rough-in across every room — and especially for Janes Village or LA County landmark designation craftsman restorations that involve full mechanical replacement and subfloor rebuild — most Altadena homeowners either relocate for the active-construction months or plan a livable-wing phasing strategy with us at the start. We walk through both options at the consultation.
A focused multi-room remodel — kitchen, primary suite, and a couple of supporting spaces — typically runs $300K to $750K in Altadena at the finish level most homeowners expect here. A full whole-home remodel with comprehensive interior work and meaningful exterior scope (windows, stucco or siding, roof, front-yard hardscape) typically runs $750K to $1.8M. Ground-up gut remodels with custom detailing and period-appropriate restoration on craftsman homes commonly reach $1.8M to $4.5M. the foothill custom-build corridor and West Altadena custom estates can exceed these ranges. Whole-home timelines are typically 9 to 24 months from kickoff to certificate of occupancy, with permit review and any LA County landmark designation or hillside-overlay coordination accounting for a meaningful share of the total.
Lior and his team were extremely courteous, prompt, and worked hard to make sure every element was exactly what we were looking for.
— Ian, October 2022Lior and his crews worked diligently to repair, replace and refurbish our home damaged by a burst pipe.
— Fern Somoza, February 2019We also serve homeowners in communities near Altadena — tap a nearby area for local details:
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