J.L.L. Builders — Test Page
J.L.L. Builders
Licensed • CA #813832

Trusted Building & Remodeling Across Marin, Sonoma, Napa, the East Bay & San Francisco

From kitchens and bathrooms to additions, ADUs, decks, fences, windows, doors, and siding — J.L.L. Builders delivers quality craftsmanship, clear communication, and on-schedule project management.

Call (415) 720-0143 Request a Quote

Our Core Services

Full-scope residential and commercial work with clean finishes and careful planning.

Single & Multi-Family Dwellings

Ground-up builds and thoughtful renovations designed for longevity, comfort, and code compliance.

Free Estimate

Retail T.I. (Tenant Improvements)

Efficient commercial build-outs, clean finishes, and schedule-driven delivery for operating businesses.

Start a T.I.

Planning & Management

Permits, scheduling, subs, inspections — we keep budgets on track and projects moving.

Talk to Us

Residential Additions, Remodels & Repairs

Seamless additions and repairs that blend with your home’s architecture and improve everyday living.

Plan an Addition

Kitchen & Bathrooms

Smart layouts, durable materials, and precision finishes — the spaces you use most, done right.

Remodel My Space

Additions & ADUs

From family suites to income units, we design and build efficient, code-ready ADUs and expansions.

Explore ADUs

Decks & Fences

Outdoor structures built for Bay Area weather: strong framing, clean lines, and long-life materials.

Build Outdoors

Windows • Doors • Siding

Energy-efficient upgrades and weatherproof exteriors that improve comfort, curb appeal, and value.

Upgrade Exteriors

About J.L.L. Builders

J.L.L. Builders is a licensed contractor based in Novato, serving Marin, Sonoma, Napa Counties, the East Bay, and San Francisco. We blend experienced field crews with tight coordination to deliver work that’s clean, on-schedule, and built to last.

Whether you’re planning a kitchen or bath, a larger addition or ADU, or exterior upgrades like decks, fences, windows, doors, and siding, our team manages the details so you can focus on the outcome.

Residential & Commercial Interior & Exterior Licensed • CA #813832 Novato, CA

Featured Projects

A quick look at recent work — design-forward interiors, durable exteriors, and clean commercial build-outs.

What Clients Say

“Excellent coordination and finish quality. Our kitchen came out exactly as planned and the schedule was spot on.”
— M.M., San Rafael
“Fast, clean, and professional. The ADU build was smooth from permits to final inspection.”
— M.M., Novato
“Clear bids, fair pricing, and careful crews. We’ll use J.L.L. again for our deck and siding.”
— M.T., Petaluma
“Retail T.I. done on time for our opening. Appreciated the communication and problem-solving.”
— L.R., San Francisco
“They handled permits and inspections and kept us informed. Zero surprises.”
— M.M., Mill Valley
“Quality work and tidy jobsite. Windows and doors look great and made the home feel new.”
— M.K., Napa
“Attention to detail shows in the trim and tile. We love the new bath.”
— A.S., Fairfax
“Reliable team. Any issues were addressed immediately and professionally.”
— T.H., Sonoma
“Excellent coordination and finish quality. Our kitchen came out exactly as planned and the schedule was spot on.”
— M.M., San Rafael
“Fast, clean, and professional. The ADU build was smooth from permits to final inspection.”
— M.M., Novato
“Clear bids, fair pricing, and careful crews. We’ll use J.L.L. again for our deck and siding.”
— M.T., Petaluma
“Retail T.I. done on time for our opening. Appreciated the communication and problem-solving.”
— L.R., San Francisco
“They handled permits and inspections and kept us informed. Zero surprises.”
— M.M., Mill Valley
“Quality work and tidy jobsite. Windows and doors look great and made the home feel new.”
— M.K., Napa
“Attention to detail shows in the trim and tile. We love the new bath.”
— A.S., Fairfax
“Reliable team. Any issues were addressed immediately and professionally.”
— T.H., Sonoma

Request an Estimate

Tell us about your project in Marin, Sonoma, Napa, the East Bay, or San Francisco — we’ll follow up promptly.