Grid Line Structures Inc
Home addition contractor based in Los Angeles. Licensed since 2020.
- License 1070999, contr bond susp in the state's records on Sep 23, 2026
- No workers' comp: the business told the state it has no employees
6 jobs on Los Angeles permits, 2023 to 2026: 3 home additions, 2 ADUs, 1 roofing job.
The state showed this license as "contr bond susp" on Sep 23, 2026. Do not hire until that is cleared.
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 1070999, contr bond susp in the state's records on Sep 23, 2026General building | Problem |
| Workers' comp? | No workers' comp: the business told the state it has no employeesThis covers their crew if someone is hurt. It is not insurance for your home. | Ask them |
| In business? | Licensed since 2020 | |
| Jobs on record | 6 jobs on Los Angeles permits, 2023 to 2026: 3 home additions, 2 ADUs, 1 roofing jobTheir permits mention 1 garage, 1 porch.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 1070999 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 $28,000 (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
Jobs per quarter
Where they work most
- 900682 jobs
- 913522 jobs
- 913431 job
- 913451 job
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 |
|---|---|---|---|
| Apr 23, 2026 | AdditionConvert existing recreation room into an adu with new addition | 90068 | $110,000 |
| Apr 23, 2026 | ADUConvert existing recreation room into an adu with new addition | 90068 | $110,000 |
| Jul 11, 2025 | ADUNew accessory dwelling unit and trellis and pool bath (48'-6"x20'-7" | 91343 | $85,000 |
| Jan 3, 2025 | Addition4'9" x 19'11" addition and convert (e) 20'2" x 19'11"attached garage t | 91345 | $28,000 |
| Jan 3, 2024 | AdditionEnclose the (e) porch to be part of sfd | 91352 | $25,000 |
| Jun 6, 2023 | Reroof, 30 squares (3,000 sq ft)Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq | 91352 | $6,000 |
What to ask before you hire
About Grid Line Structures Inc
- Do not hire until the state shows the license as active.
- Ask who will do the work. Anyone they pay to work on your home must be covered by workers' comp.
- 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 Grid Line Structures Inc
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Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
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