New Construction · Fullerton
New construction in Fullerton.
Fullerton ground-up — hillside soils + retaining engineering integrated up-front, fixed-price design-build through certificate of occupancy.

Fullerton New Construction Contractor
What an Avorino ground-up build in Fullerton actually involves.
Downtown Fullerton is a well-preserved historic core with 23 buildings on the National Register (the Chapman Building, the 1899 Dean Block, the 1930 Santa Fe depot); Raymond Hills mixes vintage Craftsman and Spanish homes with mid-century modern and larger hillside estates, while Sunny Hills — built out 1960-90 on former citrus groves — carries midcentury ranch and split-level homes on larger lots. Avorino builds throughout Raymond Hills, Sunny Hills, Amerige Heights, Downtown Fullerton / SOCO, and the historic Depot district. Avorino's hillside ground-up builds carry the geotech work, retaining design, drainage plan, and hillside-grading sign-off up-front. Foundation engineered against the soils report — no surprise underpinning during framing.
- Typical range$425 – $700 / sqft+
- Build window14 – 22+ months
- LicenseCalifornia General-B #1107538
- WarrantyTiered · 1yr fit & finish · 4yr systems · 10yr structural
- Service areaFullerton + 36 other Orange County cities and communities
7+ years of Orange County experience · 150+ completed projects · 4.8 Yelp average across 35+ reviews.
Free Fullerton ground-up estimate.
Your name and number is enough to start — Avorino follows up with a written scope for your Fullerton 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
$425 – $700 / sqft+
Hillside ground-up — soils + retaining + view-line engineering integrated up-front. Estate scale lands higher.
Typical build window
14 – 22+ months
Soils + retaining engineering up-front. Construction phase: 11–16 months once geotech sign-off clears.
Why Avorino in Fullerton.
Custom and high-end rebuild activity concentrates on elevated Raymond Hills canyon and view lots (hillside grading and drainage engineering) and larger Sunny Hills parcels; downtown and Fullerton Heritage-listed properties face preservation review for exterior changes. Avorino has 7+ years of OC ground-up experience under General-B License #1107538 — single-family residences, multi-unit residential, small-format commercial, and ADU pairings on existing lots. Architecture, structural engineering, surveying, soils, permitting, construction, and the tiered warranty under one roof.
Fullerton hillside engineering
Geotechnical soils report, retaining-wall engineering, drainage plan, and hillside-management compliance landed up-front. Foundation engineered against the soils report — no surprise underpinning during framing.
Engineering integrated up-front
Architecture, structural engineer of record, soils + geotechnical engineer, surveyor, and Title-24 energy coordinated before drawings finalize. Drawings get to plan check the first time — not the third.
Permits + plan check, run in-house
Fullerton Building & Safety submittals, comment rounds, resubmittals, fees, and inspection scheduling — run through one office as a single coordinated track, comments resolved in writing.
Schedule + cost in writing from week one
Fixed-price design-build contract with line-item costs + written allowances. Real-time cost visibility during design phase; selection sign-off before construction; weekly progress reports through Certificate of Occupancy.
Four ground‑up builds Avorino delivers in Fullerton.
01/04
Hillside SFR ground-up
Soils + retaining + slope-stability engineering up-front. Foundation engineered against the actual soils report.
- Geotech engineering
- Retaining design
- Slope stability

Engineering integrated
Soils + structural locked before drawings finalize.
Avorino carries the geotechnical engineer, structural engineer of record, surveyor, and Title-24 consultant on every ground-up build. Drawings get to plan check the first time — not the third.
- Geotechnical soils report (Cal. B&P Code §6750)
- Structural engineer of record signs the foundation set
- Surveyor stakes property lines + setbacks
- Title-24 Part 6 + state Solar Mandate compliance

Permits + plan check
Permitting, run in-house.
Submittal, comment rounds, resubmittals, fees, and inspection scheduling — run through one office, comments resolved in writing, one builder on point from plan check to certificate of occupancy.
- Post-entitlement review clock under AB 2234 (Gov. Code §65913.3): 15 business days to completeness, then 30 business days to finish review
- Comment-round response within 24-48 hours
- Grading + drainage + erosion-control plan coordinated
- Utility connections + storm-drain compliance
Fullerton lot profile
What Fullerton lots typically throw at the build.
Predominantly flat coastal-plain terrain citywide (mean elevation ~150 ft), with a hillside pocket in the northeast at Raymond Hills.
- Hillside Management Ordinance applies above 25% grade
- Soils + geotechnical engineering required up-front
- Retaining design where the slope calls for it
- Drainage + erosion control reviewed alongside structural
- West and north Fullerton sit on the West Coyote Hills oil field — if the pad is over or near a former oil/gas well, CalGEM runs a Construction Site Well Review before you can build, and methane mitigation can follow.
- The Coyote Hills carry a 2025 Very High Fire Hazard Zone (WUI construction), and flatland Fullerton falls in CGS liquefaction zones — so a mapped parcel needs a geotech study.
- Flatland Fullerton falls in CGS liquefaction Zones of Required Investigation (Anaheim/Yorba Linda quadrangles), so a mapped parcel needs a geotech study and engineered foundation.
Fullerton permit reality
What Fullerton plan check actually looks like.
Avorino drafts the drawings for ground-up residential and small commercial against Fullerton'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 hybrid: Fullerton's “Apply for Permit” link opens the Tyler EnerGov Customer Self-Service portal for online plan upload, but hard-copy sets are still accepted at the Building & Safety counter (303 W. Commonwealth). Avorino files whichever the project calls for.
Fullerton investment range
Where Fullerton sits on the OC price range.
Fullerton ground-up builds typically land at $425 – $700 / sqft+. The variance inside that range depends on lot complexity, finish level, structural ambition, and whether the lot sits above a hillside grade threshold.
- Finish-level decisions move the budget the most
- Structural ambition (hillside cuts, multi-story, glass-line walls) pushes the upper end
- Hillside engineering adds a retaining + soils line most flat lots don't carry
- Avorino's contract is fixed-price after design — no escalation surprises
Fullerton regulations
Fullerton ground-up permitting at a glance.
A working summary of the rules Avorino designs against on every Fullerton project — submittal, comment rounds, and inspections run in one office and resolved in writing.
Zoning + lot setup
Fullerton ground-up zoning + lot rules.
- Front 25 ft · Rear 20 ft · Side 5 ft (R-1 standard; Raymond Hills + Sunny Hills add hillside review)
- Height limit: 35 ft (SFR); ≤ 45 ft mid-rise commercial in most zones
- Lot coverage: 40% typical residential maximum
- Typical R-1 minimum lot: 7,200 sqft (varies by zone)
Permits + plan check
Fullerton Community Development
- Plan check: 6–10 weeks (single-family ground-up)
- Grading + drainage + erosion-control plan reviewed separately
- Utility connections (water, sewer, storm drain, electrical, gas) — separate utility-coordination permit
- Submittal, comment rounds, and inspection scheduling run through one office
Engineering up-front
What we lock before drawings finalize.
- Soils report from licensed geotechnical engineer (Cal. Bus. & Prof. Code §6750)
- Hillside Management Ordinance — geotech + retaining + slope-stability analysis required where grade ≥ 25%
- Land surveyor delineates property lines, setbacks, and easements
- Title-24 Part 6 + Solar Mandate (rooftop solar required on most new SFR since 2020)
Schedule realities
What ground-up actually takes in Fullerton.
- Soils + drawings + permit phase: typically 4–7 months, and it overlaps early site work on clean runs — that overlap is how the fastest overall windows beat the phase sum
- Pad-to-keys vertical: 11–16 months on a hillside SFR; geotech sign-off gates the foundation
- Inspection sequencing managed by Avorino superintendent + city building inspector
- Tiered warranty kicks in at certificate of occupancy
Avorino builds across Orange County.
No published Fullerton 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.”
Common questions — Fullerton
- Is Avorino a licensed new construction contractor in Fullerton?
- Yes. Avorino carries California General-B License #1107538 and delivers ground-up new construction in Fullerton end-to-end: design, structural engineering, permits, and construction under one roof. As the Fullerton new construction contractor and general contractor on your project, Avorino owns the schedule and the outcome, rather than coordinating a chain of subcontractors you'd manage yourself.
- What does ground-up new construction cost in Fullerton?
- Fullerton ground-up typically lands at $425 – $700 / sqft+ depending on lot complexity, finish level, and structural ambition. Avorino quotes a fixed-price design-build contract, the bid you sign is the bid you sign.
- How long does a ground-up build in Fullerton take?
- Plan on 14 – 22+ months from initial design through certificate of occupancy. The variance is permitting + soils, not vertical construction. We tell you on day one which side of that range your project lands on, and what would push it up.
- Do you handle architecture, soils, and engineering?
- Yes. Avorino coordinates the architect of record, structural engineer, soils + geotechnical engineer, and surveyor. You see one project schedule and one point of accountability; the consultants invoice Avorino directly. Hillside-management compliance and retaining engineering are part of the same package.
- What's covered under warranty after move-in?
- A tiered warranty — 1-year fit & finish, 4-year systems, 10-year structural — handled by us. The same Avorino on the phone after Certificate of Occupancy as before it.
Same city, other services
Avorino also runs these in Fullerton.
- Custom HomesBespoke residential, architect-coordinated.
- New ConstructionGround-up: site prep through Certificate of Occupancy.
- CommercialTenant improvements, retail, restaurant, office, ground-up.
- ADUDetached, attached, Junior ADU, garage conversion.
Verify with the city
All Fullerton construction and permitting details on this page, including fees, setbacks, timelines, and zoning, are based on the City of Fullerton 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 Fullerton Building & Safety Division directly, and confirm anything that affects your budget or schedule before you build.
- Building authorityCity of Fullerton Building & Safety Division
- Official websitecityoffullerton.com
Official Fullerton resources this page draws from
- City of Fullerton EnerGov Citizen Self Service permit portal ("SelfService Public Site") — destination of the city's "Apply for Permit" link
- City of Fullerton — Building & Safety Permit Processing Info ("Permits" / permit submission page)
- City of Fullerton — Planning & Zoning Applications & Fees (forms index; replaced the retired Handouts & Forms page)
Free consultation
Tell us about your Fullerton ground-up project.
Avorino reviews your project and comes back with a fixed-price design-build proposal, written timeline, and a path through Fullerton permitting calibrated to your lot.
Service areas
Serving 37 Orange County cities & communities, plus unincorporated OC and nearby LA County.
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