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Della Inc is an engineering firm with 4 tracked San Francisco building-permit projects on record, with the latest filing in that record 167 days ago. Its filings (Mar 2025 to Jan 2026) are concentrated in Bernal Heights and Glen Park, 100% residential. A typical project in the record declares $68K–$1.0M. If you work at Della Inc, claim this page to add a description.
Filed 167 days ago
#905
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
4
projects
from 16 filings
0/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$250K Glen Park single-family renovation
Active 7 months ago · 3 filings · Della: engineer
Wire in for remodel of first floor (bedroom, bathroom, and den). added middle surface mount fixture throughout the first floor. added…
GC named · Architect identified · 2 specialty contractors identified
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$68K Hayes Valley multifamily renovation
Active 8 months ago · 2 filings · Della: engineer
At kitchen only: revision to. install 2 milguard windows (v400 tuscany), not visible from street. install 1 exterior rated door. raplace…
GC named · Specialty contractor identified
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$1.0M Bernal Heights single-family renovation
Last active Aug 2025 · 2 filings · Della: engineer
Work category: 1p; waterproofing of two shower pans
GC named · Architect identified · 5 specialty contractors identified
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1 more
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
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4 project records for Della Inc: addresses, values, project teams
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Typical project$68K–$1.0M$250K typicalLast filed167 days agoBernal Heights · Apr 3, 2026Last 90 days0 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Bernal Heights25%
Glen Park25%
Hayes Valley25%
Inner Sunset25%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Inverse Cube Design | Architecture | 1 | |
| 2 | Vicinity Architects | Architecture | 1 | |
| 1 | A C Contracting | General contractor | 1 | |
| 2 | HL81 Construction Inc | General contractor | 1 | |
| 3 | Oscar E Maldonado | General contractor | 1 | |
| 4 | Schmitt Heating Co Inc | General contractor | 1 | |
| 5 | Urbnbuild Inc | General contractor | 1 |
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseNot connectedArchitects are licensed by the California Architects Board and engineers by BPELSG. Neither register is part of the San Francisco permit record, and we do not yet read them.
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 12 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Della Inc appear on?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Della Inc (Mar 2025 to Jan 2026). 0 had filing activity in the last 90 days.
Does Della Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Della Inc's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Della Inc work?▾
25% of Della Inc's tracked San Francisco projects are in Bernal Heights.
What is a typical Della Inc project worth?▾
The median declared value across the 4 San Francisco projects Della Inc has on record that state one is $250K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Della Inc?▾
Della Inc most frequently appears on the same San Francisco permit filings as A C Contracting, HL81 Construction Inc, Inverse Cube Design. Appearing together indicates association on shared filings, not a proven working relationship.
Is Della Inc an engineering firm?▾
Della Inc is listed as an engineering firm on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Aug 23, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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