ADU Construction · Porter Ranch

ADU Builder in Porter Ranch, CA

We build detached ADUs, garage conversions and JADUs on Porter Ranch lots. Drawings, permits, construction and the cabinets inside are covered by one fixed-price contract.

Licensed, bonded & insured · CSLB #1148319 Fixed price in writing · 2-year warranty Permits handled

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Takes about a minute. We try to call you back right away.

Step 1 of 4What are you planning?
Step 2 of 4When would you like to start?
Step 3 of 4What budget do you have in mind?

Kitchen remodeling from $20,000. Bathroom remodeling from $15,000. Final pricing depends on scope. Not sure? Choose “Not sure yet.”

Step 4 of 4Where should we send your estimate?

Prefer to talk? (424) 455-64645.0

5.0our rating on Google
#1148319CSLB · licensed, bonded & insured · verify
2-yearwritten workmanship warranty
Fixed pricein writing, before work starts
Since 2008building homes in California

Key facts · Porter Ranch

ADUs in Porter Ranch, in brief.

Kasimov Construction (CSLB #1148319) is a licensed general contractor that builds detached ADUs, garage conversions and JADUs in Porter Ranch, ZIP code 91326. Porter Ranch is part of the City of Los Angeles, so permits come from LADBS. Porter Ranch has been built out as a master-planned community since the 1960s, with a median build year of 1982, and exterior changes in HOA tracts need association approval. Drawings, permits and construction are covered by one fixed-price contract.

Kasimov Construction · Porter RanchKey facts
License
CSLB #1148319, Class B General Building, bonded and insured · verify
ZIP codes
91326
Areas covered
The original 1960s–80s tracts and the newer hillside communities

Porter Ranch homes

What should you plan for in an ADU in Porter Ranch?

Porter Ranch is one of the newest parts of Los Angeles. In 1962 the heirs of Benjamin Porter sold the last 4,150 acres of his ranch to the Macco Corporation. The land has been built out as a master-planned community ever since, with curving streets and large tracts. In ZIP 91326 the median home was built in 1982, and about 78% of homes are detached houses. If your tract has a homeowner association, exterior changes go to its architectural review first. State law requires the association to decide in writing and, if it says no, to explain why and how to ask the board to reconsider.

Many Porter Ranch homes are in HOA communities, so an ADU has to meet the association's rules as well as LADBS requirements. Garage conversions and attached units are the usual options.

Porter Ranch stayed largely undeveloped until the 1960s. Most of its homes are contemporary tracts built since then. (Source)

ZIP 91326: about 76% owner-occupied; median year built 1982 (ACS 2024 5-year).

Planning tips · Porter Ranch

  • Start with a free site visit. Setbacks, utilities and access decide the real scope.
  • A garage conversion reuses the existing foundation and walls. A detached unit is built from the ground up.
  • Many older homes need an electrical panel upgrade to support an ADU. We check the panel at the first visit.

How we work

From the site visit to final inspection.

For a Porter Ranch ADU we start with a site visit to check setbacks, utilities and access. Then we draw the unit, take it through LADBS plan check and build it. The kitchen and storage inside come from our own workshop, sized for a small floor plan.

2-yearwritten warranty
Since 2008in construction
#1148319CSLB · bonded & insured
About ADU construction

Reviews

What our clients say.

Google Reviews
5.0

Our rating on Google. Read what clients wrote, or leave a review of your own.

Google
“Excellent work on room renovation! The room looks amazing, and I’m very happy with the results. Highly recommend!”
Artur RyzhkouGoogle review · October 2026Room renovation
Google
“I had a great experience with this team! They did an excellent job remodeling my kitchen. The quality of their work was outstanding, and everything was done professionally, with great attention to detail. The team was reliable, skilled, and clearly takes pride in their work. I’m very happy with the final result and would absolutely recommend them to my friends and family. If you’re looking for quality kitchen remodeling, these are the people to call!”
Custom Furniture Co.Google review · October 2026Kitchen remodel
Google
“Great experience with Kasimov Construction! Professional, reliable, and detail-oriented team. They do high-quality kitchen and bathroom remodeling. Highly recommend!”
Dmitrii MishinGoogle review · October 2026Kitchen and bath

All reviews →See them on Google →

Nearby

ADU Construction near Porter Ranch.

FAQ

ADU Construction in Porter Ranch, answered.

Call us: (424) 455-6464
Who permits an ADU in Porter Ranch?
LADBS (City of Los Angeles Department of Building and Safety) issues permits for Porter Ranch. ADUs are reviewed under state ADU law and local rules. We prepare the drawings, submit them and handle plan check and inspections. Official information. We confirm the exact path for your address before the estimate is final, and we pull the permits for you.
Do you work in Porter Ranch?
Yes. Porter Ranch is part of our regular service area. We cover the original 1960s–80s tracts and the newer hillside communities, ZIP 91326. Consultations are free.
What should I plan for in a Porter Ranch ADU project?
Many Porter Ranch homes are in HOA communities, so an ADU has to meet the association's rules as well as LADBS requirements. Garage conversions and attached units are the usual options. Start with a free site visit. Setbacks, utilities and access decide the real scope.
Does my Porter Ranch HOA have to approve a remodel?
It depends on your CC&Rs, which list what needs approval. Exterior changes such as windows, doors, roofing, paint colors and additions are the usual items. Under California law, the association has to give its decision in writing, and a denial has to explain why and how to ask the board to reconsider. We prepare the HOA package along with the LADBS permit.
Is there a warranty?
Yes. Every project comes with a written 2-year workmanship warranty. The manufacturer warranties on materials and fixtures also apply, and we hand you the paperwork for all of it at the end of the job.

Free estimate

Tell us about your Porter Ranch project.

Tell us a little about the project. We'll call to set up a visit, measure the space and prepare a written estimate. No cost, no obligation.

  • Free estimate visit: we measure and listen
  • Written estimate with a clear scope
  • One project manager from start to finish
  • CSLB #1148319, licensed, bonded & insured
  • 2-year written warranty on workmanship
Step 1 of 4What are you planning?
Step 2 of 4When would you like to start?
Step 3 of 4What budget do you have in mind?

Kitchen remodeling from $20,000. Bathroom remodeling from $15,000. Final pricing depends on scope. Not sure? Choose “Not sure yet.”

Step 4 of 4Where should we send your estimate?

Call Free Estimate