San Diego Residential Construction

Top Construction Company San Diego for Homes, Remodels, and ADUs

Q: Do I need a permit to start a construction project?

Yes. Almost any structural, electrical, plumbing, or square-footage change in San Diego requires a permit from the City of San Diego or your local jurisdiction (Encinitas, Chula Vista, Carlsbad, etc.). Working without one risks fines, forced demolition, and major resale issues. As your licensed general contractor, NJ Design & Build prepares every drawing, pulls every permit, and schedules every inspection on your behalf, so the paperwork never lands on your kitchen counter.

Q: How long does it take to complete a residential construction project?

Timelines depend on scope and jurisdiction, but here’s the honest range: a bathroom remodel runs 4–8 weeks of construction, a kitchen remodel 8–14 weeks, a detached ADU 4–7 months, a major addition 5–9 months, and a ground-up custom home 12–18 months. Add 2–6 months for design and permitting upfront. We hand you a written schedule before construction starts and update it weekly, so you always know what’s next.

Q: Do you offer free consultations?

Absolutely — and they’re genuinely free, with no obligation and no high-pressure sales pitch. You can choose an in-person walk-through at your San Diego home or a virtual consultation if your schedule is tight. During the meeting, we listen to your goals, take measurements or review plans, talk through realistic budgets and timelines, and identify any red flags early. You’ll leave with clarity on what’s possible, even if you decide not to build with us.

Q: How long does it take to get permits in San Diego?

ermit timelines vary by jurisdiction and project complexity. Straightforward kitchen and bathroom remodels can be permitted in 4–8 weeks. ADUs typically take 8–16 weeks under California’s streamlined ADU laws. Custom homes, additions, and coastal-zone projects often run 4–9 months due to plan check rounds and Coastal Commission review. Because we submit hundreds of San Diego applications a year, we know which plan checkers prefer what — and that experience shaves real weeks off the calendar.

Q: Do you offer financing?

Yes. We partner with reputable national and California-based lenders that specialize in renovation, construction, and ADU financing. Options include single-close construction loans, RenoFi-style equity products, FHA 203(k) loans, and ADU-specific financing tied to projected rental income. We also help eligible homeowners apply for the California $40K ADU Grant. Our team isn’t a lender, so our advice is unbiased — we recommend the structure that costs you the least over the life of the loan.

Q: Do your projects come with a warranty or guarantee?

Yes. Every NJ Design & Build project is backed by California’s 10-year statutory warranty on latent structural defects, a 1-year comprehensive workmanship warranty on everything we touch, and the full manufacturer warranties on appliances, roofing, windows, and finishes. If something isn’t right after handover, one phone call brings our team back out. That accountability is the entire point of hiring a licensed, insured, design-build general contractor instead of piecing trades together.

Q: Can you handle HOAs and coastal permits in San Diego?

Yes — and we do it constantly. Many San Diego neighborhoods (Rancho Santa Fe, La Jolla, Coronado, Solana Beach, Del Mar) carry HOA design review, while properties west of I-5 often fall inside the California Coastal Zone and require a Coastal Development Permit. Our in-house design team prepares HOA submittal packages, attends architectural review meetings, and navigates Coastal Commission requirements. We’ve worked across dozens of San Diego HOAs, so we know what gets approved on the first pass.

From Coronado bungalows to North County hillsides, NJ Design & Build is the licensed, fully insured construction company San Diego homeowners trust to deliver on time and on budget. Backed by 20+ years of craftsmanship and a 5★ Google rating, we turn lived-in spaces into landmarks of how you want to live.

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Residential Construction & Remodeling Services in San Diego

Transforming Homes, Elevating Everyday Living

Whether you’re adding a backyard ADU in Encinitas, gutting a 1960s kitchen in La Jolla, or breaking ground on a custom home build in Carlsbad, our team is the design-build construction company San Diego homeowners call to deliver thoughtful spaces with one accountable contract from concept to keys.

Flooring

Hardwood, tile, and engineered floors laid level for life.

Painting

Showroom-grade interior and exterior finishes that hold up to coastal sun.

New Construction

Ground-up custom homes designed around your land and lifestyle.

General Contractor

Licensed San Diego GC managing every trade, permit, and timeline.

Design & Build

Architecture, interiors, and construction unified under one team.

ADU

Permitted San Diego ADUs for income, family, or flexible living.

Additions

Add square footage that flows seamlessly with your existing home.

Roofing

Storm-ready, energy-smart roofs with manufacturer-backed warranties.

Kitchen Remodeling

Gourmet kitchens engineered for daily life and dinner parties.

Bathroom Remodeling

Spa-quality baths with smart storage and lasting materials.

Concrete

Foundations, slabs, and driveways poured to engineered specs.

Hardscape

Patios, pavers, and outdoor rooms built for Southern California living.

Why San Diego Homeowners Choose NJ Design & Build

One licensed team. One contract. One unforgettable home.

We are a residential general contractor and a design-build construction company San Diego homeowners rely on, proudly serving all of Southern California. Homeowners choose us for honest communication, disciplined project management, and homes that hold up beautifully over time.

Proven Craftsmanship

As a construction company San Diego homeowners have trusted for two decades, we shape kitchens, ADUs, and full home builds. Every framing nail, tile cut, and finish is held to a standard worth signing our name to.

Single-Source Simplicity

Skip the juggling act. Architects, designers, project managers, and trades work under one roof, so your remodel moves forward without finger-pointing or scope gaps.

Lasting Value

Smart layouts, durable materials, and energy-conscious systems that lift resale value, unlock rental income, and lower the cost of owning your home for decades.

Tailored Design

Your habits, your sightlines, your weekend rituals. We design around how you actually live, then build it with millimeter-level attention so it feels custom on day one.

From First Sketch to Final Walk-Through, We Handle Every Step

Consultation

Design & Plan

Construction

Handover

Start My Project

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Building Excellence

Is a Remodel, Addition, or ADU Right for Your Home?

Four reasons San Diego homeowners are building, not moving.

Boost Property Value — Strategic remodels and additions in San Diego routinely return 60–80% at resale while making the home more enjoyable to live in today.
Unlock Rental Income — A permitted ADU can generate $2,000–$3,500 in monthly rent across most San Diego neighborhoods, paying down its own construction loan.
Multigenerational Space — Bring aging parents close or give adult kids privacy with a separate suite that keeps the family connected, not cramped.
Lifestyle Upgrade — Carve out a true home office, gym, chef’s kitchen, or indoor-outdoor lounge designed around the way you actually spend weekends.

Financing Solutions in San Diego

Flexible Financing for San Diego Construction & ADU Projects

Build sooner with vetted lender partners, California’s $40K ADU Grant program, and federal energy tax incentives that offset thousands. As a construction company San Diego homeowners trust, our team helps you stack every dollar of available funding before the first shovel hits dirt.

Apply Online

Complete a secure five-minute application from your phone or laptop, with no impact to your credit score and no document uploads required upfront.

Check Pre-Qualification

Get a clear, written pre-qualification with rate ranges and borrowing limits, so you can plan your project scope around real numbers.

Fast Review & Approval

Our financing team and partner lenders move your file through underwriting in days, not weeks, with a single point of contact throughout.

Access Funding & Benefits

Receive your draw schedule, then unlock applicable tax credits, ADU grants, and energy rebates that reduce your true out-of-pocket cost.

5.0 ★ Reviews on Google

      
   NJ Design & Build - Najmna
   34 Google reviews 
  
 
 
   
 
 
       Posted on Google  
   
   Christina Johnson 
 
 
 
  I am writing to highly recommend Moe of NJ Design and Build for his exceptional work as a contractor. Moe and his team recently completed the construction of an Accessory Dwelling Unit (ADU) in my backyard for my father, and the entire experience was nothing short of excellent.
From the outset, Moe impressed us with his professionalism, transparency, and deep knowledge of the construction process. He took the time to thoroughly understand our needs and offered valuable design insights, and helped us navigate every step of construction with patience and care.

The quality of workmanship delivered by NJ Design and Build was outstanding. The ADU was built with great attention to detail, on time, and within the agreed budget. Moe maintained consistent communication throughout the project and was always accessible when needed, ensuring we were informed and comfortable with all decisions being made. His crew was respectful and skilled, a true reflection of his leadership and standards.

What stood out most was Moe’s genuine care for our family's needs. He understood that this ADU was not just another project, but a home for my father, and he treated it with the same consideration and integrity he would for his own family.
I would not hesitate to work with Moe again and wholeheartedly recommend NJ Design and Build to anyone in need of a reliable, skilled, and trustworthy contractor. They truly deliver on their promise of quality and client satisfaction.

Thank you Moe and team for a job well done.

Sincerely,
Christina Johnson
Poway, CA
  
 
      Posted on Google  
   
   Nicole Abeid 
 
 
 
  We hired Najmna to build an ADU in our backyard and the experience exceeded expectations. They handled the permits, construction, and inspections seamlessly. What I appreciated most was their transparency—no hidden costs, just honest work. Our new ADU came out beautiful and added real value to our property.
  
 
      Posted on Google  
   
   Elias Abeid 
 
 
 
  ⭐️⭐️⭐️⭐️⭐️
I couldn’t be happier with the work NJ Construction did for me. Their team was professional, efficient, and paid attention to every detail. The project was completed on time and with excellent craftsmanship. Communication was clear throughout, and they made the whole process stress-free. I highly recommend NJ Construction to anyone looking for reliable and top-quality work!
  
 
      Posted on Google  
   
   Rose T 
 
 
 
  Sorry for the long review but NJ design and build need to be recognized
All their employees are very kind and respectful let me start with Sajed ( very kind and reliable. She took care of all city permits with hassle free on my end. She is very knowledgeable and knows how to take care of all permits).Moe has a very kind and honest heart ( it’s very rare to find a contractor with this beautiful quality)
1. NJ Design and Build handled my detached ADU from design to permits. They made the process smooth and kept me updated the whole time. No surprises, just solid work.
2. They designed and permitted my ADU and knew exactly how to deal with the city. Everything stayed on track
3. Professional and easy to work with. They explained everything clearly, took care of the permits, and the finished ADU turned out great.
4. I didn’t know where to start with an ADU, but they handled it all plans, permits, and construction. Made the whole process much less stressful.
5. Great experience. They managed the permit headaches for me and kept the project moving
  
 
      Posted on Google  
   
   Stephen Nissou 
 
 
 
  Best builder in San Diego. They helped me build 2 ADUs and I appreciate their persistence in finishing the job as fast as possible.
  
 
      Posted on Google  
   
   WTD MIC 
 
 
 
  Engineering and permitting process was good and fairly seemless.  Price was competitive and initial demolition was good as expected.  Tile layer is skilled and professional.  Some of finish carpenters, etc. we’re lacking experience and quality control as appeared to be a shortage ok skilled labor.  Moe the GM was very responsive, flexible, and pleasant to work with.
  
 
      Posted on Google  
   
   Sean Canto 
 
 
 
  It was nice to be able to have everything done by one company, from architect to construction.
  
 
      Posted on Google  
   
   Alan Reitman 
 
 
 
  Did a great job fixing what another contractor really messed up.
They are very professional and experts in what they do.

Our Process

A Clear Path From Concept to Keys

Design Development

We translate your goals into smart floor plans, transparent budgets, and a realistic schedule — so decisions are easy and surprises are rare.

Planning & Preparation

We refine drawings, lock in finishes, and secure San Diego permits and approvals, lining up trades and materials before the first shovel hits the ground.

Expert Construction

Our skilled crews build with precision, daily site oversight, and clear weekly updates, keeping quality, safety, and timelines in tight alignment.

Project Completion

We complete a detailed punch list, walk you through every system, and hand over a finished home that’s inspected, polished, and ready to live in.

From First Sketch to Final Walk-Through, We Handle Every Step

Consultation

Design & Plan

Construction

Handover

Start My Project

Discover More

5.0 ★ Reviews on Google

      
   NJ Design & Build - Najmna
   34 Google reviews 
  
 
 
   
 
 
       Posted on Google  
   
   Christina Johnson 
 
 
 
  I am writing to highly recommend Moe of NJ Design and Build for his exceptional work as a contractor. Moe and his team recently completed the construction of an Accessory Dwelling Unit (ADU) in my backyard for my father, and the entire experience was nothing short of excellent.
From the outset, Moe impressed us with his professionalism, transparency, and deep knowledge of the construction process. He took the time to thoroughly understand our needs and offered valuable design insights, and helped us navigate every step of construction with patience and care.

The quality of workmanship delivered by NJ Design and Build was outstanding. The ADU was built with great attention to detail, on time, and within the agreed budget. Moe maintained consistent communication throughout the project and was always accessible when needed, ensuring we were informed and comfortable with all decisions being made. His crew was respectful and skilled, a true reflection of his leadership and standards.

What stood out most was Moe’s genuine care for our family's needs. He understood that this ADU was not just another project, but a home for my father, and he treated it with the same consideration and integrity he would for his own family.
I would not hesitate to work with Moe again and wholeheartedly recommend NJ Design and Build to anyone in need of a reliable, skilled, and trustworthy contractor. They truly deliver on their promise of quality and client satisfaction.

Thank you Moe and team for a job well done.

Sincerely,
Christina Johnson
Poway, CA
  
 
      Posted on Google  
   
   Nicole Abeid 
 
 
 
  We hired Najmna to build an ADU in our backyard and the experience exceeded expectations. They handled the permits, construction, and inspections seamlessly. What I appreciated most was their transparency—no hidden costs, just honest work. Our new ADU came out beautiful and added real value to our property.
  
 
      Posted on Google  
   
   Elias Abeid 
 
 
 
  ⭐️⭐️⭐️⭐️⭐️
I couldn’t be happier with the work NJ Construction did for me. Their team was professional, efficient, and paid attention to every detail. The project was completed on time and with excellent craftsmanship. Communication was clear throughout, and they made the whole process stress-free. I highly recommend NJ Construction to anyone looking for reliable and top-quality work!
  
 
      Posted on Google  
   
   Rose T 
 
 
 
  Sorry for the long review but NJ design and build need to be recognized
All their employees are very kind and respectful let me start with Sajed ( very kind and reliable. She took care of all city permits with hassle free on my end. She is very knowledgeable and knows how to take care of all permits).Moe has a very kind and honest heart ( it’s very rare to find a contractor with this beautiful quality)
1. NJ Design and Build handled my detached ADU from design to permits. They made the process smooth and kept me updated the whole time. No surprises, just solid work.
2. They designed and permitted my ADU and knew exactly how to deal with the city. Everything stayed on track
3. Professional and easy to work with. They explained everything clearly, took care of the permits, and the finished ADU turned out great.
4. I didn’t know where to start with an ADU, but they handled it all plans, permits, and construction. Made the whole process much less stressful.
5. Great experience. They managed the permit headaches for me and kept the project moving
  
 
      Posted on Google  
   
   Stephen Nissou 
 
 
 
  Best builder in San Diego. They helped me build 2 ADUs and I appreciate their persistence in finishing the job as fast as possible.
  
 
      Posted on Google  
   
   WTD MIC 
 
 
 
  Engineering and permitting process was good and fairly seemless.  Price was competitive and initial demolition was good as expected.  Tile layer is skilled and professional.  Some of finish carpenters, etc. we’re lacking experience and quality control as appeared to be a shortage ok skilled labor.  Moe the GM was very responsive, flexible, and pleasant to work with.
  
 
      Posted on Google  
   
   Sean Canto 
 
 
 
  It was nice to be able to have everything done by one company, from architect to construction.
  
 
      Posted on Google  
   
   Alan Reitman 
 
 
 
  Did a great job fixing what another contractor really messed up.
They are very professional and experts in what they do.

New Construction Services

Frequently Asked Questions About San Diego Residential Construction

Building or remodeling in Southern California comes with real questions about timelines, permits, financing, and coastal rules. Here are straight answers from our San Diego general contractor team — and one less thing standing between you and groundbreaking.

What financing options are available for construction projects in San Diego?

Most of our San Diego homeowners use a mix of home equity lines, renovation loans, construction-to-permanent loans, and cash-out refinances. ADU clients often qualify for California’s $40,000 ADU Grant Program, federal energy-efficiency tax credits, and SDG&E rebates for high-performance HVAC and solar. We work with vetted local lenders and walk you through every option during your free consultation, so the financing structure fits the project — not the other way around.

Do I need a permit to start a construction project?

How long does it take to complete a residential construction project?

Do you offer free consultations?

How long does it take to get permits in San Diego?

Do you offer financing?

Do your projects come with a warranty or guarantee?

Can you handle HOAs and coastal permits in San Diego?

GET IN TOUCH

Let's Design Your Next Home

Tell us about your lot, your timeline, and the home you’re picturing. We’ll respond within one business day with clear next steps and a no-pressure conversation.

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