Diarmuid Hugo Mac Neill
Engineer · Dolmen Structural Engineer · San Francisco
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-56739First issued Feb 7, 1997, expires Jun 30, 2027.
Source: DCA license roster, retrieved Nov 5, 2026
- Any board discipline?
- None found.
We searched the BPELSG enforcement list on Nov 5, 2026.
- Worked in San Francisco?
- 84 permits since 2005, 84 in the last 5 years. Latest filed Jul 6, 2026.
- What kind of projects?
- Seismic retrofit or foundation 20 · Home remodel 16 · New building 10
- How long do their permits take?
- Home remodel: within 1 month. City typical for the same review: within 1 month.
Permits filed each year
San Francisco permits by the year they were filed. The last 5 years are in blue.
What are you planning?
Pick your kind of project to see their permits for it.
Seismic retrofit or foundation: 20 permits in San Francisco
Time to get a permit
Median from filing to permit, from 19 issued permits filed since 1966.
Where
- Russian Hill2
- Castro/Upper Market2
- Mission2
- West of Twin Peaks2
Most recent
- 284 Mallorca Wy #0Voluntary lateral strengthening. partial. add wood shear walls and foundations in 1st fl garage.Nov 22, 2021Complete
- 1239 Union StVoluntary seismic retrofitting of garage level and basement level.Apr 23, 2021Issued
- 880 25th Av #0Voluntary seismic upgrade for residential apartments. structural only. no mep, no change to fixtures, no facade work, no work in public right of way.Nov 24, 2020Complete
- 833 Corbett Av #0Mandatory soft-story retrofit in accordance w/ 2016 cebc appendix a-4Feb 11, 2019Complete
- 607 Corbett AvMandatory soft story retrofit per sfebc chapter 4d, 2016 cebc app a4.Sep 14, 2017Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Jul 6, 2026 | 1731 34th Av Convert 1/f garage and storage area to adu(under california government code). (e) t.o.c. to be excavated 1' max at adu. replace rear yard sog patio with raised wood framed deck. reframe deteriorating 2/f balcony. add spiral stair from 1/f deck to 2/f balcony. Filed | ADU | Filed | — | |
| Apr 27, 2026 | 3621 Clay St Revision 202211287189 to include repalcement at gridlines 1-2/c-f1 and adjustment to moment frame along gle and removal of posts at rear deck. cantivlevered deck joists. Filed | Revision or supplement | Filed | — | |
| Jan 28, 2026 | 1731 34th Av Convert 1/f garage and storage area to an adu. add wood shearwalls in the transverse and longitudinal directions in areas where construction wil be performed. voluntary partial lateral strengthening. Cancelled | ADU | Cancelled | — | |
| Oct 24, 2025 | 3621 Clay St Revision to pa # 202510036747 sideyard finishes. Issued | Revision or supplement | Issued | Within 1 month | |
| Oct 17, 2025 | 4135 California St 2 set of metal stairs to be installed at the 4135 california st stair#1 along cornwall st and stair #2 along california st. Complete | Commercial or tenant improvementType unconfirmed | Complete | Within 1 month | |
| Oct 3, 2025 | 3621 Clay St Sideyard concrete slab replacement Issued | Retaining wall or site work | Issued | Within 1 month | |
| Sep 9, 2025 | 351 Hill St Single family residence remodel + addition of adu unit at ground level. vertical addition to add 3rd level. (n) roof, improvements: floor reconfiguration, (n) windows, (n) facade, (n) rear decks Issued | AdditionType unconfirmed | Issued | 5 months | |
| Jun 2, 2025 | 3575 Clay St Rev 202411265790: revise framing at new dormer, rmove framing for previously proposed chimney and beam & retianing wall revisions. Issued | Revision or supplement | Issued | 3 months | |
| Mar 14, 2025 | 16 West Clay St Minor horizontal addition at 3rd level only. (180 sq ft). at front of home: new closet & exercise space. addition is setback from facade by 5'-3". remove non-historic balaustrades at front, side & rear facades reconstructing closer to original design. reconstruct clay tile rooflets over two front Complete | Addition | Complete | 6 months | |
| Mar 4, 2025 | 1650 Broadway #701 Rev to pa# 2021-1108-2028: scope reduction interior remodel of 7th fl. penthouse, to increase the size of ph.1 (701) conditional use required Issued | Revision or supplement | Issued | Within 1 month | |
| Mar 4, 2025 | 1650 Broadway Rev to pa# 2024-0308-7483: scope reduction interior remodel of 7th fl. penthouse to reduce the size of unit #702 (ph2) conditional use required. Issued | Revision or supplement | Issued | Within 1 month | |
| Dec 24, 2024 | 3575 Clay St New dormer. fill in 56 sq ft on level 1. demo e construct new partitons, structural and non structural . excavate basement and add new rooms. removel and add new baths and kitchen. new lighting and electrical. Issued | Addition | Issued | 5 months | |
| Dec 17, 2024 | 5400 Geary Bl Reconstruct blade sign - electric, roof, double faced wall sign. Filed | Other | Filed | — | |
| Dec 17, 2024 | 5400 Geary Bl Planning enforcement case # 2022-012075enf. includes but not limited to: interior cleaning/ removal of debris. provide protection of (e) interior features & murals. reconstruct blade sign & support tower. repair marquee & stabilize finish consition. repair vitrines. reinstall marquee soffit. Filed | Legalize or fix a violationType unconfirmed | Filed | — | |
| Nov 1, 2024 | 1205 Van Dyke Av Remove and replace existing concrete retaining wall and sheet metal fence, all work to be performed along hawes street and van dyke avenue. Reinstated | Retaining wall or site work | Reinstated | Within 1 month | |
| Aug 19, 2024 | 19 Delano Av Revision to 202401244520 partial voluntary rebuild of existing foundation. no work visible from street. strengthening of ground floor. Complete | Revision or supplement | Complete | Within 1 month | |
| Jun 11, 2024 | 3400 Mission St Partial abate 20244418-remove and replace non structrual elements damaged by smoke and fire (work on south wall) Complete | Commercial or tenant improvement | Complete | Within 1 month | |
| Apr 23, 2024 | 1146 Taylor St To abate nov 202422441 (items 2 & 3) and 202303442- repair facade in stucco facing front of building and waterproof exterior. Complete | Legalize or fix a violation | Complete | 3 months | |
| Mar 8, 2024 | 1650 Broadway Ph2: interior remodel to reduce the size of unit 702 (ph2). conditional use required. ref pa 202111082028. Issued | Home remodelType unconfirmed | Issued | Within 1 month | |
| Dec 19, 2023 | 3731 23rd St Install beam at garage. replace rear windows in kind. install sheetrock in garage under stair and wall. legalize storage rooms at g/f. Complete | Home remodelType unconfirmed | Complete | 3 months |
Sources: DataSF i98e-djp9, 3pee-9qhc, retrieved Nov 5, 2026. Names on permits are matched to licenses by license number and name; unmatched records are not shown.
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