Joseph Patrick Molloy
- Listed as
- contractor, engineer
- Firm
- Shamrock Engineering Concrete
- Based in
- San Francisco
- On San Francisco permits
- Dec 2004 to Aug 2025
26 permits since 2000 (contractor on 25 permits, engineer on 1 permit): 15 completed, 2 in progress, 6 never finaled, 3 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. Their ranked record as a contractor is on their contractor page. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Aug 28, 2025 | In progress issued Sep 2025 | 1911 20th St | Shamrock Engineering Concrete, Cht Properties Development | new rear landscape retaining walls. ref pa 2018.0618.2159Details
new rear landscape retaining walls. ref pa 2018.0618.2159 | $5,000 |
| May 8, 2024 | In progress issued May 2024 | 19 Pope St | Shamrock Engineering Concrete | revision to 202305157789 to add new foundation for the house. relocate ground floor bath a for new structural work. new lower slabDetails
revision to 202305157789 to add new foundation for the house. relocate ground floor bath a for new structural work. new lower slab | $60,000 |
| Oct 30, 2023 | Completed final sign-off Dec 2025 | 576 27th Av | Shamrock Engineering Concrete | temporary shoring to accommodate excavation for permit application 202001091565.Details
temporary shoring to accommodate excavation for permit application 202001091565. | $140,000 |
| Feb 1, 2023 | Completed final sign-off Mar 2023 | 424 Irving St | Shamrock Engineering Concrete | to add (2) layers of sheetrock at rear walls and tape and paint wall. complaint resolution for # 2022.96250 2 bath and 1 kitchenDetails
to add (2) layers of sheetrock at rear walls and tape and paint wall. complaint resolution for # 2022.96250 2 bath and 1 kitchen | $500 |
| Sep 30, 2022 | Never finaled issued Oct 2022, no final | 2080 Mcallister St | Shamrock Engineering Concrete | excavation for new rear patio, related retaining walls, railing, drainage, and patio doorsDetails
excavation for new rear patio, related retaining walls, railing, drainage, and patio doors | $15,000 |
| Sep 8, 2022 | Completed final sign-off Feb 2024 | 3732 Rivera St | Shamrock Engineering Concrete | front bldg structure: rev to 201711164180. relocate shear wall@ line 2Details
front bldg structure: rev to 201711164180. relocate shear wall@ line 2 | $5,000 |
| Sep 8, 2022 | Completed final sign-off Feb 2024 | 3732 Rivera St | Shamrock Engineering Concrete | rear bldg structure: clarification to inspection correction note dated 8/22/2022 replace rear stair retaining wall and north and west property lines opening at existing building rear wall to be replaced. original permit 202001141833. exterior work only.Details
rear bldg structure: clarification to inspection correction note dated 8/22/2022 replace rear stair retaining wall and north and west property lines opening at existing building rear wall to be replaced. original permit 202001141833. exterior work only. | $5,000 |
| Apr 18, 2022 | Completed final sign-off May 2023 | 501 41st Av | Shamrock Engineering Concrete | soft story upgrade of 1st fl per ab-107 ch 4d of san francisco building code 2019 & chapter 34 of california building code 2019.Details
soft story upgrade of 1st fl per ab-107 ch 4d of san francisco building code 2019 & chapter 34 of california building code 2019. | $55,000 |
| Mar 16, 2022 | Never finaled issued Mar 2022, no final | 2080 Mcallister St | Shamrock Engineering Concrete | temporary shoring permit for pa#202108206860Details
temporary shoring permit for pa#202108206860 | $8,000 |
| Aug 20, 2021 | Never finaled issued Mar 2022, no final | 2080 Mcallister St | Shamrock Engineering Concrete | e garage level beam strengthening and lateral strengthening to address soft storyDetails
e garage level beam strengthening and lateral strengthening to address soft story | $100,000 |
| Oct 17, 2020 | Completed final sign-off May 2021 | 128 Elsie St | Shamrock Engineering Concrete | revision to pa 200909237457. 1st flr - reconfigure bathroom. 3rd flr - add half bath. new wood siding on east side.Details
revision to pa 200909237457. 1st flr - reconfigure bathroom. 3rd flr - add half bath. new wood siding on east side. | $20,000 |
| Jan 9, 2020 | Completed final sign-off Nov 2025 | 576 27th Av | Shamrock Engineering Concrete | demo 2-story single family dwelling type 5Details
demo 2-story single family dwelling type 5 | $15,000 |
| Jan 9, 2020 | Expired or cancelled expired Feb 2026 | 576 27th Av | Shamrock Engineering Concrete | erect 4-story, (1) basement two-family dwelling . type r-3Details
erect 4-story, (1) basement two-family dwelling . type r-3 | $1,000,000 |
| Feb 8, 2019 | Completed final sign-off May 2021 | 128 Elsie St | Shamrock Engineering Concrete | emergency bracing of unpermitted soldier bms & backfill site to orignial, grade w/class ii aggregate. backfill to be compacted with low energy pnfumatic handheld compactor. bench mark survey points to be set at front & rear corner along roof level of property line wall of 122 & 132 elsie st.Details
emergency bracing of unpermitted soldier bms & backfill site to orignial, grade w/class ii aggregate. backfill to be compacted with low energy pnfumatic handheld compactor. bench mark survey points to be set at front & rear corner along roof level of property line wall of 122 & 132 elsie st. | $50,000 |
| Feb 7, 2019 | Expired or cancelled cancelled Aug 2019 | 128 Elsie St | Shamrock Engineering Concrete | ref #200909237457-s. temporary shoring & grading in response to nov #201918181Details
ref #200909237457-s. temporary shoring & grading in response to nov #201918181 | $60,000 |
| Jul 6, 2018 | Completed final sign-off May 2020 | 4470 24th St | Arcon Construction Corp | void infill at entry walkwayDetails
void infill at entry walkway | $5,000 |
| Jun 18, 2018 | Never finaled issued Dec 2022, no final | 1911 20th St | Shamrock Engineering Concrete, Cht Properties Development | 2-story vertical addition; additon of 1 unit and an 1 adu; sprinkler nfpa13 throughoutDetails
2-story vertical addition; additon of 1 unit and an 1 adu; sprinkler nfpa13 throughout | $500,000 |
| Apr 16, 2018 | Completed final sign-off May 2021 | 128 Elsie St | Shamrock Engineering Concrete | temporary shoring & excavation for new building under pa #200909237457.Details
temporary shoring & excavation for new building under pa #200909237457. | $60,000 |
| Feb 14, 2018 | Completed final sign-off Oct 2020 | 4466 24th St | Shamrock Engineering Concrete, Arcon Construction Corp | revision to 201603293298 s1 structural changes to be made to the shoring plan onlyDetails
revision to 201603293298 s1 structural changes to be made to the shoring plan only | $10,000 |
| Jan 9, 2018 | Completed final sign-off Oct 2023 | 2609 Diamond St | Shamrock Engineering Concrete, R & D Construction Co Inc | interior remodel of (e) home, relocate entry to side, raise (e) roof form, horizontal addition @rear, relocate front facade, excavate basement area to code compliant ceiling height, add garage door @front & one (n) off street parking spot.Details
interior remodel of (e) home, relocate entry to side, raise (e) roof form, horizontal addition @rear, relocate front facade, excavate basement area to code compliant ceiling height, add garage door @front & one (n) off street parking spot. | $500,000 |
| Aug 8, 2016 | Never finaled issued Aug 2016, no final | 65 Lippard Av | Shamrock Engineering Concrete | revision to ref pa 201507242421 replace extg foundation at south side due to substandard wall condition. replace (e) foundationDetails
revision to ref pa 201507242421 replace extg foundation at south side due to substandard wall condition. replace (e) foundation | |
| Jul 20, 2016 | Expired or cancelled expired Oct 2025 | 135 Wetmore St | Shamrock Engineering Concrete, Arcon Construction Corp | temporary shoring of vacant site, site permit 2013-0603-8460. maher naDetails
temporary shoring of vacant site, site permit 2013-0603-8460. maher na | $50,000 |
| Mar 29, 2016 | Completed final sign-off Aug 2020 | 4466 24th St | Shamrock Engineering Concrete, Arcon Construction Corp | convert (e) 1-story over garage single fmaily home to (2) units. renovate/expand bldg consist of (2) units from basement to 3rd floors & (1) parking space/unit. remove (e) rear wall, horizontal expansion into rear yard, vertical expansion of (2) stories.Details
convert (e) 1-story over garage single fmaily home to (2) units. renovate/expand bldg consist of (2) units from basement to 3rd floors & (1) parking space/unit. remove (e) rear wall, horizontal expansion into rear yard, vertical expansion of (2) stories. | $920,000 |
| Feb 26, 2016 | Never finaled issued Jul 2016, no final | 146 Irving St | Shamrock Engineering Concrete, Michael Heavey Construction | new retaining wall at north property line to improve drainage. comply with violation 201407831Details
new retaining wall at north property line to improve drainage. comply with violation 201407831 | $5,000 |
| Oct 6, 2015 | Completed final sign-off Mar 2020 | 1441 Ocean Av | Shamrock Engineering Concrete, Amone Corp | chg of use.renovate(e)1st story.upgrade(e)foundation to support 2 new story addition above (e)1st story.install a new elevator,an auto sprinkler sys,new stairs,interior partitions,acoustical ceilings,liting,access restrooms.upgrade(e)power distribution,plum&mech.sys for new renovation&addition wk.Details
chg of use.renovate(e)1st story.upgrade(e)foundation to support 2 new story addition above (e)1st story.install a new elevator,an auto sprinkler sys,new stairs,interior partitions,acoustical ceilings,liting,access restrooms.upgrade(e)power distribution,plum&mech.sys for new renovation&addition wk. | $900,000 |
| Dec 13, 2004 | Completed final sign-off Jan 2021 | 189 Tioga Av | Shamrock Engineering Concrete | erect a three story, one unit dwellingDetails
erect a three story, one unit dwelling | $350,000 |