San Diego Commercial Construction

Commercial construction and tenant improvements in San Diego

Office renovations, retail build-outs and tenant improvements, from space planning and permits to the final inspection. Scheduled around your lease dates and your opening day.

Get a free quote (619) 836-0099
$40–$300+
Per sq ft, typical TI
6–16 weeks
Typical build time
Permits
Handled in-house
CSLB #1153455
Licensed & insured
Pricing

What does a tenant improvement cost in San Diego?

Commercial pricing depends heavily on mechanical, electrical and plumbing work. These are typical San Diego ranges per square foot of the space being improved.

Light refresh

$40–$80 / sq ft

Paint, flooring, lighting, ceiling tiles and minor wall changes in an existing layout.

Office or retail TI

$80–$150 / sq ft

New walls and layout, restrooms, HVAC and electrical rework, finishes and signage coordination.

Restaurant, medical or heavy MEP

$150–$300+ / sq ft

Grease ducts, exam rooms, specialty plumbing and gas, plus health-department or OSHPD requirements.

Typical 2026 San Diego ranges, not a quote. You get an itemized, fixed price after a free site visit.

Commercial Construction by XLNC Builder in San DiegoCommercial build
What's included

Built for business, delivered to schedule

Every week a space sits unfinished costs rent and revenue. We plan permits, long-lead items and inspections up front so the build matches your move-in date.

Tenant improvements

Second-generation and shell spaces fitted out to your layout and brand.

Office renovations

Open offices, meeting rooms, break rooms and restrooms, phased to keep you operating.

Retail build-outs

Storefronts, sales floors, fitting rooms and back-of-house storage.

Permits, ADA & Title 24

Drawings, plan check, accessibility upgrades and energy compliance handled for you.

Get a free quote
Process & timeline

How your project runs

One project manager from the first visit to the final walkthrough.

01

Site walk

1 week

We review the space, lease requirements and your target opening date.

02

Design & pricing

2–4 weeks

Space plan, drawings and an itemized proposal.

03

Permits

4–12 weeks

Plan check with the city, often overlapped with ordering.

04

Build & handover

6–16 weeks

Construction, inspections and certificate of occupancy support.

Recent work

Projects from our San Diego portfolio

Arikara Drive, commercial project in San Diego
Arikara DriveCommercial project

See all projects

Client reviews

What San Diego clients say

★★★★★
XLNC Builder, with Nancy and her dedicated, professional team, has been a reliable guide across my construction projects. I'm fortunate to count on them.
RichardDeveloper & contractor · San Diego
★★★★★
They fit every feature we wanted into the footprint while keeping us within San Diego's strict zoning limits, and turned our rough ideas into a technically perfect permit set.
VishalThree ADUs · design & permits
★★★★★
Before finding XLNC Builder, another company left me with headaches and plans the city rejected. From day one XLNC was professional and knowledgeable, walked me through the entire process, and their pricing was very reasonable.
HassanADU owner · San Diego

Licensed, bonded and insured. Verify CSLB license #1153455

Questions

Commercial Construction: frequently asked questions

Typical tenant improvements run about $40 to $80 per square foot for a light refresh, $80 to $150 for an office or retail build-out, and $150 to $300 or more for restaurants, medical spaces and other heavy mechanical work.
Most tenant improvements take 6 to 16 weeks of construction after permits. Permit review commonly adds 4 to 12 weeks, so we start drawings early and order long-lead equipment during plan check.
Yes. We prepare the drawings, manage city plan check, and include the accessibility and Title 24 energy upgrades the city requires as part of the permit.
Often, yes. We phase work by area, schedule noisy tasks after hours where needed and keep exits and restrooms usable.

Areas we serve

Based in Mira Mesa (9400 Activity Rd), we work across San Diego County, including:

  • Mira Mesa
  • Scripps Ranch
  • Rancho Bernardo
  • 4S Ranch
  • Poway
  • Carmel Valley
  • La Jolla
  • Del Mar
  • Clairemont
  • North Park
  • Point Loma
  • Tierrasanta
  • Encinitas
  • Carlsbad
  • Escondido
  • Coronado
  • Chula Vista
Free quote

Tell us about your project

We reply within one business day to set up a free site visit. No pressure, no hidden fees.

Prefer to talk now?Call or text (619) 836-0099

Itemized, fixed quote

Every line priced before work starts.

Plans, permits and build in one team

One project manager, start to finish.

Licensed, bonded & insured

CSLB #1153455, Class B General Building.

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