Building Efficiency Inc
Heat pump installer working in Marin County. Licensed since 2010.
- License active
- Workers' comp on file
3 heat pump jobs on Marin County permits, 2024 to 2025. 39th most heat pump permits of 42 contractors in Marin County.
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 947504, active in the state's records on Sep 23, 2026ASB, general building, electrical, heating and airNo 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 2010 | |
| Jobs on record | 3 heat pump jobs on Marin County permits, 2024 to 2025Every permit we have for them is heat pump.39th most heat pump permits of 42 licensed contractors in Marin County. That counts jobs, not quality.Our Marin County permit records cover October 2021 to September 2026.Of their 3 heat pump permits, 2 mention ductless or mini-split units, 1 mention ducts or a ducted system. |
Records: the state license board and City of Marin County 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 947504 on CSLB
Cost and timing
All heat pump jobs in Marin County: $10,000 to $24,000
Half of 1,127 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Ductless mini-splits in Marin County: $9,800 to $23,000 (421 permits)
- Ducted heat pumps in Marin County: $15,000 to $30,000 (166 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 $35,065 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What heat pump jobs cost in Marin County.
Get 2 or 3 written quotes.
Track record
Where they work most
- 949032 jobs
- 949411 job
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 |
|---|---|---|---|
| Oct 15, 2025 | Heat pumpInstall 80 gallon heat pump water heater Replace Plumbing Fixtures(s) | 94903 | $8,528 |
| Jun 10, 2025 | Heat pumpInstall 2 Mitsubishi mini split multi-zone heat pumps. (1) SUZ-KA36NA2.TH outdoor unit and (1)… | 94941 | $54,069 |
| Jun 21, 2024 | Heat pump1.) Mechanical - Provide and Install Fujitsu Split Ducted Mini Split System | 94903 | $35,065 |
What to ask before you hire
About Building Efficiency Inc
- Ask what the warranty covers and for how long, in writing.
Worth asking any heat pump installer
- Can you show me proof of liability insurance and your bond?
- What size unit, and did you measure the house to choose it?
- Do my ducts or my electrical panel need work first?
- Who pulls the permit, and what rebates apply?
Get a quote from Building Efficiency Inc
Five quick questions. We pass your request to Building Efficiency Inc.
Request for Building Efficiency Inc
- Where
- Job
- Start
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- Goes to
You decide who to hire. Your details go only to the contractors you pick. How we use your details
Sent. We have your request.
We pass it to Building Efficiency 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.
Open your job roomMore heat pump installers near 94903 and 94941
- Ernest Ongaro & Sons Inc
- Bellows Plumbing Heating & Air Inc
- John Owens Services Inc
- Raven Heating and Air Conditioning
- Richard Osorio Heating & Air
- Verde Metals Inc
See all 42 heat pump installers in Marin County, ranked by jobs
Run this business? Claim this page to get requests by email and reply to homeowners here.