Calspec General Contractors Inc.
ADU builder working in San Diego.
- No license matched this business by name in the state's records
10 jobs on San Diego permits, 2022 to 2025: 8 ADUs, 1 remodel, 1 home addition. 20th most ADU permits of 105 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 | 10 jobs on San Diego permits, 2022 to 2025: 8 ADUs, 1 remodel, 1 home addition20th most ADU permits of 105 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 ADU jobs in San Diego: $68,000 to $172,000
Half of 1,329 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Detached ADUs in San Diego: $70,000 to $176,000 (789 permits)
- Garage conversions in San Diego: $48,000 to $117,000 (175 permits)
- Junior ADUs in San Diego: $57,000 to $147,000 (94 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 $132,970 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What ADU jobs cost in San Diego.
Get 2 or 3 written quotes.
Track record
Jobs per quarter
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
A row marked ×2 or more stands for that many similar jobs on one day in one ZIP code.
| Date | Work | On the permit form |
|---|---|---|
| Jan 23, 2025 | RemodelPACIFIC BEACH ; Combination Building Permit for a proposed single story remodel and addition to the… | $307,981 |
| Jan 23, 2025 | AdditionPACIFIC BEACH ; Combination Building Permit for a proposed single story remodel and addition to the… | $307,981 |
| Aug 30, 2024 | ADUADU UNIVERSITY: Combination Building Permit for Addition to an existing SDU. Scope includes… | $92,481 |
| Jun 17, 2024 | ADU (×2, same day)ADU SOUTHEASTERN SAN DIEGO: Combination Building permit for (2) proposed detached 2-story building… | $181,574 each |
| Nov 6, 2023 | ADUADU COLLEGE AREA: Combination building permit for a proposed 2-story detached ADU for an existing… | $150,372 |
| Oct 2, 2023 | ADU | $35,636 |
| Oct 2, 2023 | ADU (×2, same day) | $115,568 each |
| Jul 7, 2022 | ADUADU COLLEGE AREA-Combination building permit for construction detached accessory dwelling unit | $162,015 |
What to ask before you hire
About Calspec General Contractors Inc.
- 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 ADU builder
- Can you show me proof of liability insurance and your bond?
- Do you handle the plans, engineering and utility hookups, or do I?
- How long from permit to the final inspection on your last three ADUs?
- What is the payment schedule, and what is extra?
Get a quote from Calspec General Contractors Inc.
Five quick questions. We pass your request to Calspec General Contractors Inc..
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We pass it to Calspec General Contractors Inc.. Replies usually come within a few days.
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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See all 105 ADU builders in San Diego, ranked by jobs
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