Kco Construction
Home addition contractor working in San Diego.
- No license matched this business by name in the state's records
58 jobs on San Diego permits, 2021 to 2026: 26 home additions, 24 remodels, 8 ADUs. 2nd most addition permits of 72 contractors in San Diego.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | No license matched this business by name in the state's records | Ask them |
| Jobs on record | 58 jobs on San Diego permits, 2021 to 2026: 26 home additions, 24 remodels, 8 ADUsTheir permits mention 8 bathrooms, 7 kitchens, 4 garages, 3 decks.2nd most addition permits of 72 contractors in San Diego. That counts jobs, not quality.Our San Diego permit records cover October 2021 to September 2026. |
Records: City of San Diego permits.
Cost and timing
All addition jobs in San Diego: $50,000 to $168,000
Half of 997 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Second-story additions in San Diego: $81,000 to $283,000 (212 permits)
- Garage additions in San Diego: $79,000 to $244,000 (265 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 $80,301 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. Kitchen jobs alone: typical permit $131,373 (7 permits, a small sample). What addition jobs cost in San Diego.
Get 2 or 3 written quotes.
Track record
7 jobs in the last 12 months, down from 13 the year before
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 | On the permit form |
|---|---|---|
| Feb 5, 2026 | Remodel | $83,663 |
| Feb 5, 2026 | Addition | $83,663 |
| Feb 5, 2026 | ADU | $83,663 |
| Feb 5, 2026 | Remodel | $268,972 |
| Feb 5, 2026 | Addition | $268,972 |
| Feb 5, 2026 | ADU | $268,972 |
| Dec 11, 2025 | ADUADU CLAIREMONT MESA; Combination building permit for a (N) 2nd-story ADU atop an (E) attached… | $167,989 |
| Sep 4, 2025 | ADUADU CLAIREMONT MESA; Combination building permit for a (N) 2nd-story ADU to an (E) attached garage… | $136,252 |
| Apr 22, 2025 | RemodelCLAIREMONT MESA: Combination Building Permit; For the proposed addition/remodel to an existing one… | $142,055 |
| Apr 22, 2025 | AdditionCLAIREMONT MESA: Combination Building Permit; For the proposed addition/remodel to an existing one… | $142,055 |
| Apr 21, 2025 | RemodelCLAIREMONT MESA: Combination building permit for remodel/addition to the existing SDU. Work to… | $38,767 |
| Apr 21, 2025 | AdditionCLAIREMONT MESA: Combination building permit for remodel/addition to the existing SDU. Work to… | $38,767 |
| Apr 15, 2025 | RemodelCLAIREMONT MESA : Combination building permit for proposed remodel to existing one-story SFR. Work… | $9,672 |
| Mar 26, 2025 | Addition | $75,214 |
| Mar 10, 2025 | RemodelPACIFIC BEACH: Combination building permit for the addition and remodeling of a bathroom to an (E)… | $52,416 |
| Mar 10, 2025 | AdditionPACIFIC BEACH: Combination building permit for the addition and remodeling of a bathroom to an (E)… | $52,416 |
| Dec 24, 2024 | RemodelCLAIREMONT MESA; Combination building permit for a complete interior remodel, full re-roof design,… | $294,840 |
| Dec 24, 2024 | AdditionCLAIREMONT MESA; Combination building permit for a complete interior remodel, full re-roof design,… | $294,840 |
| Dec 9, 2024 | RemodelCLAIREMONT MESA: Combination permit for a new second-floor addition to an exist single-family… | $135,004 |
| Dec 9, 2024 | AdditionCLAIREMONT MESA: Combination permit for a new second-floor addition to an exist single-family… | $135,004 |
| Aug 29, 2024 | AdditionADU CLAIREMONT MESA. Combination building permit for existing SDU. Scope of work includes proposed… | $157,386 |
| Aug 29, 2024 | ADUADU CLAIREMONT MESA. Combination building permit for existing SDU. Scope of work includes proposed… | $157,386 |
| Jun 27, 2024 | Remodel | $115,480 |
| Jun 27, 2024 | Addition | $115,480 |
| Jun 27, 2024 | ADU | $115,480 |
| May 8, 2024 | Remodel***SCOPE CHANGE 4/29/2024***- CLAIREMONT MESA: Combination building permit for proposed Addition/… | $238,942 |
| May 8, 2024 | Addition***SCOPE CHANGE 4/29/2024***- CLAIREMONT MESA: Combination building permit for proposed Addition/… | $238,942 |
| Feb 29, 2024 | RemodelCLAIREMONT MESA. Combination permit for proposed (N) attached master suite addition to the second… | $151,528 |
| Feb 29, 2024 | AdditionCLAIREMONT MESA. Combination permit for proposed (N) attached master suite addition to the second… | $151,528 |
| Jan 25, 2024 | ADUCLAIREMONT MESA; Combination building permit for a detached garage-to-ADU conversion to an existing… | $40,452 |
| Oct 2, 2023 | Remodel | $81,436 |
| Oct 2, 2023 | Addition | $81,436 |
| Jul 18, 2023 | RemodelCLAIREMONT MESA: Combination Building Permit for Addition and Remodel to existing SDU | $93,251 |
| Jul 18, 2023 | AdditionCLAIREMONT MESA: Combination Building Permit for Addition and Remodel to existing SDU | $93,251 |
| Jun 7, 2023 | RemodelCLAIREMONT MESA: Combination building permit for the addition/remodel to an existing 2-story SDU.… | $44,086 |
| Jun 7, 2023 | AdditionCLAIREMONT MESA: Combination building permit for the addition/remodel to an existing 2-story SDU.… | $44,086 |
| May 1, 2023 | RemodelENCANTO NEIGHBORHOODS; Combination building permit to propose a two story addition/remodel to an… | $52,903 |
| May 1, 2023 | AdditionENCANTO NEIGHBORHOODS; Combination building permit to propose a two story addition/remodel to an… | $52,903 |
| Mar 7, 2023 | RemodelCLAIREMONT MESA. Combination building permit for existing SDU. Scope of work includes proposed rear… | $71,448 |
| Mar 7, 2023 | AdditionCLAIREMONT MESA. Combination building permit for existing SDU. Scope of work includes proposed rear… | $71,448 |
What to ask before you hire
About Kco Construction
- Ask for the license number and check it with the state.
- Ask what the warranty covers and for how long, in writing.
- Search their name on the Better Business Bureau site, and read their reviews.
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 Kco Construction
Five quick questions. We pass your request to Kco Construction.
Request for Kco Construction
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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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