Updated: January 2026
*AAA Engineering Design: California PE Licensed | 20+ Years Experience | 500+ Projects | Free Consultations*
Finding a qualified ADU structural engineer near you in Long Beach ensures your accessory dwelling unit project receives expert engineering analysis from a local professional who understands City of Long Beach ADU requirements, California state ADU laws, and the specific challenges of ADU construction in this diverse Los Angeles County city. Whether you're planning a garage conversion, detached ADU, or junior ADU, working with a local Long Beach ADU engineer provides faster response times and relevant local expertise.
When searching for an ADU structural engineer near me in Long Beach, property owners need a California-licensed Professional Engineer (PE) with documented ADU experience, knowledge of Long Beach Development Services procedures, and the ability to deliver PE-stamped plans accepted for permit approval. Our Long Beach-area engineers provide same-day consultations with 48-hour quote turnaround for ADU projects throughout Long Beach, Lakewood, Signal Hill, and surrounding communities.
Why Search for an ADU Structural Engineer Near Me in Long Beach?
**Direct Answer:** Searching for an ADU structural engineer near you in Long Beach provides access to local expertise including familiarity with City of Long Beach Development Services procedures, understanding of Long Beach's housing stock and typical ADU opportunities, knowledge of California ADU laws as implemented locally, and availability for on-site consultations. Local engineers deliver faster response times and understand the specific ADU requirements affecting your property.
Long Beach has embraced ADU development as part of its housing strategy, creating a streamlined permit process for qualifying projects. An ADU structural engineer near you in Long Beach brings experience navigating these procedures efficiently while ensuring structural designs meet both California Building Code and local requirements.
For comprehensive information about ADU engineering services, see our Residential Structural Engineering Guide.
What Services Does an ADU Structural Engineer Near Me Provide in Long Beach?
**Direct Answer:** An ADU structural engineer near you in Long Beach provides PE-stamped structural plans for garage conversions, detached ADU construction, attached ADUs, junior ADUs (JADUs), and ADU additions above garages. Services include existing structure evaluation, foundation assessment, structural design, construction document preparation, plan check support, and construction observation.
Garage Conversion ADU Engineering
Garage conversions are the most popular ADU type in Long Beach. Our engineers provide:
- Existing garage structural evaluation
- Foundation assessment and upgrade design
- Wall opening and door modifications
- Roof structure evaluation for new loads
- Connection to existing utility systems
Detached ADU Engineering
New detached ADUs require complete structural engineering:
- Foundation design for Long Beach soil conditions
- Wood or steel framing design
- Roof and floor system engineering
- Connection to site utilities
- Compliance with setback requirements
Attached ADU Engineering
ADUs attached to existing homes require careful integration:
- Connection to existing structure
- Foundation coordination with existing
- Roof integration engineering
- Structural separation or connection design
Junior ADU (JADU) Engineering
JADUs carved from existing home space may require:
- Structural evaluation of proposed modifications
- Wall removal or addition engineering
- Floor reinforcement if needed
- Separate entrance creation
Above-Garage ADU Engineering
Second-story ADUs above garages require:
- Existing garage structural evaluation
- Foundation upgrade design for additional loads
- Floor system engineering
- Stair and access design
- Lateral force-resisting system
How Do I Find the Best ADU Structural Engineer Near Me in Long Beach?
**Direct Answer:** Find the best ADU structural engineer near you in Long Beach by verifying active California PE licensure, confirming ADU project experience, checking references from local ADU owners, reviewing building department approval history, and comparing quotes from multiple qualified engineers. Prioritize engineers with documented Long Beach ADU experience and knowledge of California ADU laws.
Verification Steps
**1. Confirm PE Licensure** Every structural engineer stamping ADU plans in California must hold an active Professional Engineer (PE) license. Verify licensure at bpelsg.ca.gov.
**2. Verify ADU Experience** ADU engineering has unique requirements. Confirm the engineer has completed multiple ADU projects, particularly the type you're planning. Ask for examples of Long Beach ADUs.
**3. Check Local Knowledge**
- City of Long Beach ADU ordinance and procedures
- California state ADU laws (AB 68, SB 13, etc.)
- Local fire and life safety requirements
- Long Beach utility connection requirements
**4. Review References**
- Permit approval experience
- Construction document completeness
- Communication and responsiveness
- Overall project satisfaction
**5. Compare Quotes**
- Scope of services included
- Site visit provisions
- Timeline to completion
- Plan check support provisions
How Much Does an ADU Structural Engineer Near Me Cost in Long Beach?
**Direct Answer (2026 Pricing):** An ADU structural engineer near you in Long Beach typically costs $4,000-$15,000 depending on ADU type and complexity. Garage conversions range $4,000-$8,000, detached ADUs cost $6,000-$12,000, and complex above-garage ADUs may reach $10,000-$15,000.
ADU Type-Based Pricing
**Garage Conversion ADU**
- Standard conversion: $4,000-$6,000
- Conversion with foundation work: $5,000-$8,000
- Conversion with significant modifications: $6,000-$10,000
**Detached ADU**
- Small ADU (under 600 SF): $5,000-$8,000
- Standard ADU (600-800 SF): $6,000-$10,000
- Large ADU (800-1,200 SF): $8,000-$12,000
**Junior ADU (JADU)**
- Standard JADU: $3,000-$5,000
- JADU with structural modifications: $4,000-$7,000
**Above-Garage ADU**
- Standard second-story addition: $8,000-$12,000
- Complex addition with garage upgrade: $10,000-$15,000
**What's Included**
- Site visit and existing conditions evaluation
- Structural analysis and design
- PE-stamped construction documents
- Foundation plans if required
- Plan check correction support
What Are the ADU Requirements in Long Beach?
**Direct Answer:** Long Beach ADU requirements follow California state law with local implementation including maximum ADU size of 1,200 SF for detached units, no owner-occupancy requirement, relaxed setback requirements (4 feet for most ADUs), no parking requirement if within half-mile of transit, and streamlined 60-day permit review for qualifying projects.
Size Limitations
California and Long Beach permit:
- Detached ADU: Up to 1,200 SF
- Attached ADU: Up to 1,000 SF or 50% of primary home
- JADU: Up to 500 SF within existing structure
- Above-garage: Varies by lot coverage limits
Setback Requirements
ADU setback requirements in Long Beach:
- Rear setback: 4 feet minimum
- Side setback: 4 feet minimum
- Conversion of existing structure: No setback required
- Height: Generally limited to 16 feet for detached
Permit Process
Long Beach Development Services processes ADU permits:
- 60-day review timeline for compliant applications
- Ministerial approval (no discretionary review)
- Impact fees limited by state law
- School fees apply in certain districts
Why Choose AAA Engineering Design as Your ADU Structural Engineer Near Me in Long Beach?
**Direct Answer:** AAA Engineering Design serves as your ADU structural engineer near you in Long Beach with California PE-licensed engineers, 20+ years of residential experience, 200+ ADU projects completed, and established City of Long Beach relationships. We provide same-day consultations, 48-hour quotes, and responsive plan check support.
Long Beach Service Area
We serve all Long Beach areas including:
- Belmont Shore and Naples
- Bixby Knolls and California Heights
- East Long Beach and Los Altos
- Downtown and Alamitos Beach
- Signal Hill and Lakewood
**Licensed & Credentialed**
- California Professional Engineer (PE) licenses
- SEAOC membership
- 20+ years combined ADU experience
- Professional liability insurance coverage
Contact Us
Ready to work with an ADU structural engineer near you in Long Beach? Whether you're planning a garage conversion, detached ADU, or above-garage addition, our licensed Professional Engineers are here to help.
**Call Now: (949) 981-4448** - Free consultation, no obligation
[Get Your Free ADU Consultation](/contact)
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Frequently Asked Questions
**How do I find an ADU structural engineer near me in Long Beach?** Find an ADU structural engineer near you by searching for California PE-licensed engineers with Long Beach ADU experience. Verify licenses at bpelsg.ca.gov, check references, and compare quotes. AAA Engineering Design serves Long Beach with 200+ ADU projects completed.
**How much does ADU structural engineering cost in Long Beach?** ADU structural engineering in Long Beach costs $4,000-$15,000 depending on ADU type. Garage conversions range $4,000-$8,000, detached ADUs cost $6,000-$12,000, and above-garage ADUs range $8,000-$15,000.
**Do I need a structural engineer for an ADU in Long Beach?** Yes, you need a structural engineer for ADU projects in Long Beach. California Building Code requires PE-stamped structural plans for new construction, garage conversions involving structural changes, and above-garage additions. The City of Long Beach requires these plans for permit approval.
**How long does ADU structural engineering take?** Most ADU structural engineering projects take 3-5 weeks from consultation to permit-ready documents. City of Long Beach ADU permit review adds up to 60 days for compliant applications.
**What size ADU can I build in Long Beach?** Long Beach allows detached ADUs up to 1,200 SF, attached ADUs up to 1,000 SF (or 50% of primary home), and JADUs up to 500 SF. Lot coverage and other requirements may further limit size on specific properties.
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