What was permitted
For owners of multi-family properties in San Francisco's Outer Richmond, this permit provides insight into HVAC and plumbing upgrade costs. The project at 669 45th Ave involves Title 24 compliance and upgrades for two combi boilers and heat pump units.
Issued on September 14, 2026, this alteration project for a two-family dwelling has an estimated cost of $47,000. Onzone Heating & Cooling Inc. is the contractor responsible for this extensive system upgrade.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 202609148080 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · 2 Family Dwelling |
| Status | issued |
| Job description | title 24 compliance and line penetrations related to hvac and plumbing upgrade. install 2 narien gas flared combi boilers, 2 heat por units, 2 horiz air handlers, assoc gas piping, hydronic loops,line sets condensate drains, elec disconnects, boiler receptacles, serving 667-669 ave. all fire |
| Floor / unit | — |
| Estimated cost | $47,000 |
| Approved | September 14, 2026 |
| Issued | September 14, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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