Williams Christopher
Home addition contractor based in La Crescenta. Licensed since 1995.
- License active
- Workers' comp on file
25 jobs on Los Angeles permits, 2023 to 2026: 11 home additions, 8 remodels, 5 ADUs, 1 roofing job. 20th 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 711380, 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 | 25 jobs on Los Angeles permits, 2023 to 2026: 11 home additions, 8 remodels, 5 ADUs, 1 roofing jobThey are based in La Crescenta. Work outside Los Angeles is not in these records.Their permits mention 3 garages, 1 bathroom, 1 deck.20th 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 711380 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 $120,000 (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
7 jobs in the last 12 months, up from 6 the year before
Where they work most
- 900417 jobs
- 900654 jobs
- 900423 jobs
- 900262 jobs
- 900662 jobs
Jobs by kind of work
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 26, 2026 | RemodelRemodel (e) bedroom of (e) sfd work includes new full bathroom, new window and to replace one door… | 90019 | $15,000 |
| Jun 27, 2026 | Addition***ePlan*** Garage conversion and addition to create new Dettached Acc | 90018 | $180,000 |
| May 4, 2026 | Addition16' x 33'7" irregularly shaped addition (403 sf) and new 6'8" x 8'1" c | 90041 | $120,000 |
| Apr 20, 2026 | Remodel, 474 sq ftSupplemental permit to 24014-10000-02985Update scope of work to: Second-story addition (474 sq ft)… | 90041 | not stated |
| Mar 19, 2026 | AdditionAddition to and convert detached rec room / storage room to accessory | 90042 | $35,000 |
| Mar 9, 2026 | ADUConvert existing basement to an adu within existing sfd | 90065 | $85,000 |
| Jan 16, 2026 | ADUConvert (e) detached garage to accessory dwelling unit per gcs65 | 90026 | $50,000 |
| May 10, 2025 | AdditionConvert existing attached garage to storage room and accessory dwelli | 90041 | $160,000 |
| Mar 29, 2025 | AdditionOne story addition to (e) 1-story type vb single family dwelling | 90025 | $35,000 |
| Mar 23, 2025 | AdditionGround floor and second floor addition to (e) sfd | 90065 | $150,000 |
| Jan 13, 2025 | ADUNew construction of detached 1200 sf Accessory Dwelling Unit wi | 90066 | $175,000 |
| Dec 13, 2024 | RemodelRemodel of existing single family dwelling to convert 1 bathroom into 2 and change one window | 90041 | $20,000 |
| Oct 4, 2024 | RemodelInterior remodel and addition to existing two story single family dwelling which includes new… | 90042 | $22,230 |
| Sep 17, 2024 | Addition(n) 4' x 13' addition to and repair of (e) 12' x 18' detached garage w | 90039 | $15,000 |
| Aug 17, 2024 | Addition305sf single story addition to include a bedroom and bathroom; walkabl | 90066 | $40,000 |
| Jul 22, 2024 | ADUNew 15'2" x 41'7 1/16" detached accessory dwelling unit per gcs | 90042 | $77,000 |
| Jul 19, 2024 | RemodelExterior and Interior Remodel of (E) 1-Story S.F.D, Scope of Work to Include Infill Wall Opening,… | 90005 | $35,000 |
| Apr 16, 2024 | Remodel, 117 sq ftEnclose and convert (E) 117 sq ft covered patio to living space and remodel (E) 1-story single… | 90034 | $50,000 |
| Apr 9, 2024 | Addition1. demo portion of existing lower level, upper level, deck, and roof | 90065 | $180,000 |
| Feb 7, 2024 | AdditionAdu conversion of portion of (e) sfd dwelling with a ground floor addi | 90041 | $75,000 |
| Feb 7, 2024 | ADUAdu conversion of portion of (e) sfd dwelling with a ground floor addi | 90041 | $75,000 |
| Jan 2, 2024 | RemodelNew ground floor & 2nd floor additon to (e) one story single family dwelling & major remodel | 90026 | $240,000 |
| Dec 12, 2023 | Remodel, 215 sq ftSupplemetal to 22014-10000-03391 to revise additions and conversionsnew master bedroom addition… | 90041 | $1,000 |
| Nov 26, 2023 | AdditionSecond story addition and remodel of (e) single family residence, demo | 90036 | $125,000 |
| Jul 31, 2023 | Reroof, 16 squares (1,600 sq ft)Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq | 90065 | $3,200 |
What to ask before you hire
About Williams Christopher
- 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?
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