Hanover Builders Inc
Home addition contractor based in Westlake Village. Licensed since 1995.
- License active
- Workers' comp on file
17 jobs on Los Angeles permits, 2022 to 2026: 7 home additions, 6 remodels, 1 ADU, 1 pool or spa, 1 solar installation, 1 panel upgrade. 52nd most addition permits of 357 contractors in Los Angeles.
What the public records show
From the state's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License 709353, active in the state's records on Sep 23, 2026General buildingNo complaints or citations on the board's public record. | Checks out |
| Workers' comp? | Workers' comp policy on file with the stateThis covers their crew if someone is hurt. It is not insurance for your home. | On file |
| In business? | Licensed since 1995 | |
| Jobs on record | 17 jobs on Los Angeles permits, 2022 to 2026: 7 home additions, 6 remodels, 1 ADU, 1 pool or spa, 1 solar installation, 1 panel upgradeThey are based in Westlake Village. Work outside Los Angeles is not in these records.Their permits mention 1 deck, 1 basement.52nd most addition permits of 357 licensed contractors in Los Angeles. That counts jobs, not quality.Our Los Angeles permit records cover September 2023 to September 2026. |
Records: the state license board and City of Los Angeles permits.
State license board record
Last checked Oct 4, 2026. This may have changed. Check it on CSLB.
No complaints or citations on the board's public record.
Source: California Contractors State License Board, checked Oct 4, 2026. Look up license 709353 on CSLB
Cost and timing
All addition jobs in Los Angeles: $38,000 to $120,000
Half of 10,836 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Second-story additions in Los Angeles: $75,000 to $200,000 (858 permits)
- Garage additions in Los Angeles: $48,000 to $110,000 (3,411 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $245,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What addition jobs cost in Los Angeles.
Get 2 or 3 written quotes.
Permit timeline
Across Los Angeles, a addition permit stays open about about 13 months, from permit to final inspection
This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. Waiting for the permit adds about about 4 months. How long addition jobs take.
Track record
2 jobs in the last 12 months, down from 8 the year before
Where they work most
- 9004912 jobs
- 902722 jobs
- 900202 jobs
- 902921 job
Jobs by kind of work
- Addition
- Remodel
- ADU
- Pool or spa
- Solar
- Panel upgrade
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Aug 19, 2026 | Remodel(2) Bathroom remodel for residential buildings (no structural changes) "COMPLY WITH DEPARTMENT… | 90049 | $35,000 |
| Feb 5, 2026 | Remodel(1)Kitchen & (5)Bathroom remodel for residential buildings (no structural changes) | 90272 | $110,000 |
| Jun 7, 2025 | AdditionProposed 3rd flr | 90292 | $350,000 |
| May 17, 2025 | AdditionNew attached 17' x 15.5 ' trellis; expand outdoor staircase | 90049 | $10,000 |
| Apr 21, 2025 | AdditionSupplemental to permit 21016-10000-39435 to revise the first and secon | 90049 | $15,000 |
| Feb 1, 2025 | AdditionRemodel and addition to (e) sfd | 90049 | $245,000 |
| Feb 1, 2025 | ADUNew 773 ADU Detached ADU per State Law | 90049 | $400,000 |
| Jan 14, 2025 | AdditionMajor remodel & addition of the 2nd floor to (e) 1 story sfd and att | 90049 | $630,000 |
| Dec 17, 2024 | Pool or spaSupplemental to: 22014-10000-03715. revision to pool structural plans | 90049 | not stated |
| Oct 22, 2024 | SolarSupplemental Permit : 22014-10000-02455 to revise the Title 24 to remove Solar PV requirements | 90049 | not stated |
| Jul 23, 2024 | RemodelReplace 4 window(s). Same size, location, number, type | 90049 | $35,800 |
| May 23, 2024 | RemodelRemodel and Addition to (E) two story single family dwelling | 90020 | $215,000 |
| Apr 11, 2024 | AdditionAddition and renovation to a 2-level single family residence | 90272 | $460,000 |
| Feb 9, 2024 | RemodelInterior kitchen remodel/repair (no changes in walls or openings). 6 bathroom(s).Bathroom remodel… | 90020 | $30,000 |
| Dec 28, 2023 | AdditionAddition of 426 sf to the (E) Guest Room at Basement for (N) Gym and | 90049 | $100,000 |
| Aug 16, 2023 | RemodelSupplemental to permit 21016-10000-39435 to revise the first and second floor plan and update the… | 90049 | $15,000 |
| Jul 21, 2022 | Panel upgradeInstall new 1000 amps 208v 3phase 4wire service with panels and equipm | 90049 | not stated |
What to ask before you hire
About Hanover Builders Inc
- Ask what the warranty covers and for how long, in writing.
Worth asking any home addition contractor
- Can you show me proof of liability insurance and your bond?
- Do you handle the plans and engineering, or do I hire them?
- Who will run the job day to day, and who are the subcontractors?
- Who pulls the permits, and what is the payment schedule?
Get a quote from Hanover Builders Inc
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