Is Avorino a licensed custom home builder in Tustin?

Yes. Avorino carries California General-B License #1107538 and builds custom homes in Tustin end-to-end: architecture, structural engineering, permits, and construction under one roof. As the Tustin custom home builder and general contractor on your project, Avorino owns the schedule and the outcome, rather than coordinating a chain of subcontractors you'd manage yourself.

How much does a custom home in Tustin cost?

Custom homes in Tustin typically run $900K – $3.5M+ depending on size, finish level, and lot conditions. Avorino quotes a fixed-price design-build contract so the budget you sign at week one is the budget at the warranty handover.

How long does a custom home build take in Tustin?

Permit-to-keys windows in Tustin typically land at 14 – 24+ months for a standard single-family build. Architecture, structural, and finish trades are sequenced to overlap.

Do you handle Tustin permits and plan check?

Yes. Avorino runs every Tustin permit submittal, plan-check correction, and final inspection through one office. You sign once at the start; from there, permitting and inspections run through us.

What's the warranty on a custom home build?

Every Avorino build ships with a tiered construction warranty: 1-year fit & finish, 4-year systems (plumbing, electrical, HVAC), and 10-year latent structural. Avorino takes the warranty call.

Custom homes · Tustin

Custom homes in Tustin.

Ground-up custom residences across Tustin — architecture, structural, mechanical, electrical, and plumbing, and finish carpentry under one roof. Fixed-price design-build contracts. Avorino from the first consultation through the warranty handover.

CoverageTustin, OC

Typical range$900K – $3.5M+

Build window14 – 24+ months

Get a free estimate Call (714) 900-3676

Tustin, Orange County — Tustin · Orange County

Tustin Custom Home Construction

What an Avorino custom home in Tustin actually involves.

A historic 'City of Trees' core (Old Town, a locally-designated Cultural Resources District of vintage bungalows and Craftsman cottages) ringed by newer master-plans — 1980s-90s Tustin Ranch and the 1,600-acre Tustin Legacy on the former MCAS base with its landmark blimp hangars. Avorino builds throughout Old Town Tustin, Tustin Ranch, Tustin Legacy, Tustin Meadows, and Lemon Heights (North Tustin). Avorino runs inland custom homes end-to-end. Architect coordination, structural engineering, plan-check correspondence, fixed-price design-build contract, and the tiered warranty (1yr fit & finish · 4yr systems · 10yr structural) through final walk.

Typical range$900K – $3.5M+
Build window14 – 24+ months
LicenseCalifornia General-B #1107538
WarrantyTiered · 1yr fit & finish · 4yr systems · 10yr structural
Service areaTustin + 36 other Orange County cities and communities

7+ years of Orange County experience · 150+ completed projects · 4.8 Yelp average across 35+ reviews.

Talk To Us

Free Tustin custom home estimate.

Your name and number is enough to start — Avorino follows up with a written scope for your Tustin project.

Avorino calls back as soon as possible, followed by a written estimate — and you're talking to Avorino, never a sales rep.

Typical price range

$900K – $3.5M+

Inland custom homes — single-family ground-up or major teardown-rebuild, planned to the lot's actual constraints.

Typical build window

14 – 24+ months

Standard single-family permit-to-keys window — architecture, structural, and finish trades planned to overlap.

Why Avorino in Tustin.

In-city custom and infill work concentrates in Old Town's historic lots (a local Cultural Resources District — more design flexibility than a federal listing) and larger parcels in Tustin Ranch; the dominant true-custom, large-lot estate market sits just outside city limits in unincorporated North Tustin (Lemon Heights, Cowan Heights) on half-acre-plus hillside lots. Avorino operates in Orange County under General-B License #1107538, with 7+ years of OC experience and a 4.8-star Yelp average across 35+ reviews. Architecture, structural engineering, permitting, construction, and the tiered warranty all sit under one roof — one accountable builder from first conversation through final handover.

Architecture + engineering, in-house

Avorino's design-build model means architecture, structural engineering, Title 24 calculations, and soils (where Tustin lots require it) all sit under one roof. You sign once at the start; the coordination across disciplines runs through one office.

Tustin permitting, handled

Submittal, plan-check comments, resubmittal, and final inspection all run through one office. Avorino builds drawings against how Tustin handles planning and zoning review, including the block-by-block setback variations that surprise out-of-area builders, so the set walks in ready for what the city checks.

Material + finish selections

Cabinetry, stone, tile, paint, fixtures, appliances — every line item picked against a written allowance log so the bid doesn't drift during construction. Tustin clients see the finish board before demolition starts.

Tiered warranty

Every Avorino build ships with a tiered construction warranty: 1-year fit & finish (paint, trim, mirrors, flooring, cabinets, countertops), 4-year systems (plumbing, electrical, HVAC), 10-year structural. Same Avorino team you started with takes the warranty call.

What we build in Tustin

Four custom homes Avorino delivers in Tustin.

01/04

Bespoke single-family

Single-family ground-up custom homes — modern, traditional, transitional. Architectural intent preserved.

Architect coordination
Premium millwork
Finish carpentry

Custom kitchen island with Wolf range, brass + marble herringbone

Finish carpentry

Held to the framing standard.

Cabinetry, stair carpentry, window trim, paint cuts — the trades where rushed jobs reveal themselves. Every Avorino custom-home interior is shop-built, drawing-checked, and dry-fit before paint.

Custom millwork drawing-checked
Stone, tile, paint signed off selection-by-selection
Lighting designed against finish materials
Tiered warranty in writing

Same team, end-to-end

One roof, concept to keys.

Architecture, structural engineering, permitting, construction, and the tiered warranty — coordinated under one roof, one builder on point through every trade. You sign once; the disciplines are sequenced so they don't fight each other in the field.

One licensed contact through Certificate of Occupancy + warranty
Architect coordination, not architect competition
Weekly progress reports, written change-orders only
Fixed-price design-build after design phase

Tustin lot profile

What Tustin lots typically throw at the build.

Largely flat within the city, rising into hillside terrain just north in unincorporated North Tustin.

Predictable R-1 / R-2 / C-1 setbacks city-wide
Master-plan + homeowners association overlays may add review (varies by tract)
Standard grading + drainage requirements
Utility connections typically straightforward
Water service is split by geography — the City of Tustin serves the older/central city, but IRWD serves roughly the southern half including Tustin Legacy (former MCAS Tustin); local sewer mains are East Orange County Water District and IRWD, with OC San for regional treatment.
In Old Town Tustin's Cultural Resources District, a Certificate of Appropriateness (with Design Review) is required before or with the building permit; flat central/west Tustin also sits in a CGS liquefaction zone.
On the Tustin Legacy / former MCAS lands, the city documents ongoing environmental remediation — contaminated-groundwater plumes and PFAS in shallow soil/groundwater — which can add environmental review to a foundation dig there.

Tustin permit reality

What Tustin plan check actually looks like.

Avorino drafts the drawings for single-family custom builds against Tustin's published code. The variable is which plan checker draws your set and what they flag — the set is built for that, so comments resolve in one round where the city allows.

Pre-application consult before drawings finalize
Comment rounds answered fast and resolved in writing
Clean drawings clear in the first or second comment round
State law caps each plan-check round at 60 days once the application is complete; full cycles with resubmittals typically run longer
Submission is fully digital through Tustin's Tyler EnerGov Citizen Self-Service (CSS) portal, with email and in-person-by-appointment as secondary channels. Avorino files through CSS.
“Streamline Tustin” is a branded digital-permitting program with a published turnaround — initial building-plan review within 10 business days, resubmittals within 5.

Tustin investment range

Where Tustin sits on the OC price range.

Tustin custom homes typically land at $900K – $3.5M+. The variance inside that range depends on lot complexity, finish level, structural ambition, and how much foundation and utility work the existing lot demands.

Finish-level decisions move the budget the most
Structural ambition (multi-story spans, glass-line walls) pushes the upper end
Inland lots most often land in the middle of the range
Avorino's contract is fixed-price after design — no escalation surprises

Tustin regulations

Tustin residential permitting at a glance.

A working summary of the rules Avorino designs against on every Tustin project — submittal, comment rounds, and inspections run in one office and resolved in writing.

Zoning + setbacks

Tustin residential standards we design against.

Front: 20 ft · Rear: 25 ft · Side: 5 ft · R-1 standard; Old Town Tustin Cultural Resource Overlay tightens standards
Height limit: 30 ft for SFR
Lot coverage: up to 40% (varies by zone)
Typical R-1 minimum lot size: 7,200 sqft

Plan check + permitting jurisdiction

Tustin Community Development

Plan check: 8–12 weeks
Post-entitlement review clock under AB 2234 (Cal. Gov. Code §65913.3): 15 business days to completeness, then 30 business days to finish review on projects of 25 units or fewer
Multiple comment rounds typical; clean drawings clear in the first or second round
Avorino carries every submittal and comment-round response in-house

Engineering required up-front

What the lot calls for before construction starts.

Title-24 Part 6 energy compliance — state-mandated
Geotechnical soils report when load conditions require
Structural engineer of record signs the foundation + framing set
Surveyor stakes property lines + setbacks before slab pour

Code + utility requirements

What every new SFR carries by California state law.

Fire sprinklers required in all new single- and two-family dwellings (CRC R313.2, since 2011)
Title-24 Part 6 + Solar Mandate (Solar panels required on most new single-family homes since 2020)
Utility connections: SoCal Edison, SoCal Gas, city water + sewer + storm drain
Two off-street parking spaces typical for single-family (most R-1 zones)

@avorinoconstruction

Avorino builds across Orange County.

No published Tustin build yet — here’s recent Avorino work from across Orange County.

“These are the best people in the business. I used Avorino to build my own ADU. They beat every single price I got and on top of that did an excellent job finishing it in no time. Truly the best of the best — highly recommended.”

Shahin S. · Detached ADU · Orange County · 2023

Follow @avorinoconstruction

Common questions — Tustin

Is Avorino a licensed custom home builder in Tustin?: Yes. Avorino carries California General-B License #1107538 and builds custom homes in Tustin end-to-end: architecture, structural engineering, permits, and construction under one roof. As the Tustin custom home builder and general contractor on your project, Avorino owns the schedule and the outcome, rather than coordinating a chain of subcontractors you'd manage yourself.
How much does a custom home in Tustin cost?: Custom homes in Tustin typically run $900K – $3.5M+ depending on size, finish level, and lot conditions. Avorino quotes a fixed-price design-build contract so the budget you sign at week one is the budget at the warranty handover.
How long does a custom home build take in Tustin?: Permit-to-keys windows in Tustin typically land at 14 – 24+ months for a standard single-family build. Architecture, structural, and finish trades are sequenced to overlap.
Do you handle Tustin permits and plan check?: Yes. Avorino runs every Tustin permit submittal, plan-check correction, and final inspection through one office. You sign once at the start; from there, permitting and inspections run through us.
What's the warranty on a custom home build?: Every Avorino build ships with a tiered construction warranty: 1-year fit & finish, 4-year systems (plumbing, electrical, HVAC), and 10-year latent structural. Avorino takes the warranty call.

Same city, other services

Avorino also runs these in Tustin.

Custom HomesBespoke residential, architect-coordinated.Current page
New ConstructionGround-up: site prep through Certificate of Occupancy.View New Construction in Tustin
CommercialTenant improvements, retail, restaurant, office, ground-up.View Commercial in Tustin
ADUDetached, attached, Junior ADU, garage conversion.View ADU in Tustin

Verify with the city

All Tustin construction and permitting details on this page, including fees, setbacks, timelines, and zoning, are based on the City of Tustin Building & Safety Division's published information and are subject to change. This information may not be fully up to date or accurate. For the latest requirements, visit the City of Tustin Building & Safety Division directly, and confirm anything that affects your budget or schedule before you build.

Building authorityCity of Tustin Building & Safety Division
Official websitetustinca.org

Official Tustin resources this page draws from

Free consultation

Tell us about your Tustin custom home.

Avorino reviews your project and comes back with a fixed-price design-build proposal and a written timeline, calibrated to Tustin's permit reality.