A S M Mechanical Services
Heat pump installer based in Antioch. Licensed since 2019.
- License active
- Workers' comp on file
3 heat pump jobs on San Francisco permits, 2021 to 2022. 168th most heat pump permits of 217 contractors in San Francisco.
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 1051854, active in the state's records on Sep 23, 2026Heating 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 2019 | |
| Jobs on record | 3 heat pump jobs on San Francisco permits, 2021 to 2022Every permit we have for them is heat pump.They are based in Antioch. Work outside San Francisco is not in these records.168th most heat pump permits of 217 licensed contractors in San Francisco. That counts jobs, not quality.Our San Francisco permit records cover September 2021 to September 2026.Of their 3 heat pump permits, 2 mention ductless or mini-split units, 1 mention a furnace. |
Records: the state license board and City of San Francisco 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 1051854 on CSLB
Cost and timing
All heat pump jobs in San Francisco: $8,800 to $27,000
Half of 2,697 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Ductless mini-splits in San Francisco: $7,500 to $24,000 (918 permits)
- Ducted heat pumps in San Francisco: $10,000 to $34,000 (406 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 $14,225 (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 San Francisco.
Get 2 or 3 written quotes.
Permit timeline
Across San Francisco, a heat pump permit stays open about 45 days, 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. The permit itself is usually issued the same day. How long heat pump jobs take.
Track record
Where they work most
- 941101 job
- 941211 job
- 941021 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 |
|---|---|---|---|
| Apr 4, 2022 | Heat pumpWork category: 1m; we are installing a new mini split system , with a outdoor condenser unit in the… | 94110 | $12,900 |
| Dec 27, 2021 | Heat pumpWork category: 1m; we replace a gas furnace install a new air handler add a heat pump condenser… | 94121 | $14,225 |
| Oct 5, 2021 | Heat pumpWork category: 1m; we are installing a 3 unit mitsubishi mini split indoor wall mounted style and… | 94102 | $14,800 |
What to ask before you hire
About A S M Mechanical Services
- 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 A S M Mechanical Services
Five quick questions. We pass your request to A S M Mechanical Services.
Request for A S M Mechanical Services
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We pass it to A S M Mechanical Services. 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 94110 and 94121
- Schmitt Heating Co Inc
- Building Efficiency Inc
- Galaxy Hvac and Appliance Repair
- R M I Mechanical Contractors
- Sandium Llc
- Sebastopol Heat & Cooling Inc
See all 217 heat pump installers in San Francisco, ranked by jobs
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