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Contractor, San Francisco License 783873

Blackline Construction

The city has issued 90 of the 91 San Francisco building permits that name Blackline Construction since 2018. The work is mostly residential, led by apartments and multifamily. Their median plan-review permit, across all project types, took 8.0 months from filing to issue. Their busiest neighborhoods are Mission, South of Market and Bernal Heights.

Also filed as
designer
Issued by the city
90 of 91 filed since 2018
Median plan-review time, all types
8.0 mo filing to issue
Rank for apartments and multifamily
No. 63 of 221 by apartments and multifamily issued
Overall rank
No. 112 of 226 contractors

What they work on

Every San Francisco building permit with Blackline Construction on the record since 2018, by project type. Most filed: 49 apartments and multifamily, 29 home remodels, 5 retail and shops.

Residential and commercial, by permits filed

90% residential
10% commercial
Permits by project type, filed and issued
  1. Apartments and multifamily Residential 49 of 49 issued 54% of filings.
  2. Home remodels Residential 28 of 29 issued 32% of filings.
  3. Retail and shops Commercial 5 of 5 issued 5% of filings.
  4. ADUs Residential 4 of 4 issued 4% of filings.
  5. Hotels, clinics, schools and other commercial Commercial 3 of 3 issued 3% of filings.
  6. Offices Commercial 1 of 1 issued 1% of filings.

Permits over time

Permits filed each year, drawn as a street with one building per year, and how many of all their permits the city has issued.

Busiest year
2023
20 permits filed
Latest filing
Aug 2026
99% of 91 issued
Permits filed per year: 2018: 5, 2019: 7, 2020: 8, 2021: 16, 2022: 6, 2023: 20, 2024: 13, 2025: 12, 2026: 4. The 2026 figure runs through October 20, 2026.

One building per year, its height the permits filed. Each floor line marks 5 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.

Issued by the city: 90 of 91 permits filed

99%

All San Francisco project permits since 2018 in this data

93% issued

1 not issued as of October 20, 2026. Source: SF Department of Building Inspection permits via DataSF.

How fast their permits come through

Filing to issue for permits that went through plan review. Blackline Construction has 9 of those across all project types; the citywide comparison is for apartments and multifamily, their most filed type, where 3,633 of 59,927 permits went through plan review and the rest were approved over the counter.

Blackline Construction, all project types

8.0months

Median months from filing to issue for plan-review permits. Blackline Construction, all project types: 8.0 months. San Francisco, apartments and multifamily: 6.2 months. Middle half of city permits: 2.7 to 12.3 months.
72 other contractors ranked for apartments and multifamily have a median for it; Blackline Construction has fewer than 3 issued plan-review permits for apartments and multifamily with usable dates Each circle is a firm's median for its plan-review permits for apartments and multifamily. Dashed line: the median of all San Francisco plan-review permits for apartments and multifamily, 6.2 months. Shaded: the middle half of those permits, 2.7 to 12.3 months.
0 3 6 9 12 15 18 21+ months Axel8 Construction: 13.6 months Sure, Inc.: 9.0 months Ps2 Inc: 5.4 months Halyard Inc: 5.7 months Sft Construction Corp: 5.4 months U S Prime Contractor Inc: 2.8 months S F Garage Company Inc.: 4.0 months Cahill Contractors Llc.: 4.1 months Saarman Construction,Ltd.: 7.8 months Magnum Construction Group Inc: 3.8 months De Brus Construction Inc: 16.3 months Nibbi Bros Assoc Inc.: 5.2 months Level 10 Construction Lp: 3.0 months Aguilera Construction Company: 18.5 months Amone Corp: 7.0 months Sabah International Incorporated: 1.8 months Block 12 Construction: 13.4 months Swinerton Builders: 3.2 months A J O Group Build Inc: 33.6 months Convergint Technologies Llc: 5.8 months Doherty Restoration, Inc.: 29.3 months Nabi Construction & Engineering Inc: 11.2 months Centric Construction Inc: 7.8 months Reliable Construction Inc: 10.0 months Pineda Construction Inc: 10.2 months Landmark Construction Inc.: 2.8 months Build Group Inc.: 3.4 months D.F.P.F Corp Dba Fine Line Construction: 5.1 months Velox Construction Inc/Velox Des & Const: 7.0 months John O'donovan: 17.9 months Mulhall Construction Inc.: 14.0 months Achill Beg Construction Inc: 5.6 months Plant Construction Co, Lp: 8.1 months Pacific Engineering & Construction Inc.: 43.4 months Hathaway Dinwiddie Co.: 7.1 months Rei Build Up Construction Corp: 15.2 months Webcor Construction Lp: 3.6 months Recon 360 Llc: 3.6 months Guzman Construction Group Inc.: 6.7 months L H Construction: 14.0 months Mastec Network Solutions Inc: 6.7 months Ward-Tek Inc.: 13.1 months Cookline Construction Inc: 5.5 months Trim Fit Constr. - O'reilly Engineering: 6.8 months Bobcomm Llc Dba Pacific Das Llc.: 3.0 months Bryan J. Valverde Co: 8.0 months Granite Excavation & Demolition Inc: 4.8 months Cbs Construction Inc.: 5.0 months Sandbank Construction, Inc: 5.5 months Wickman Development And Construction: 13.4 months Pribuss Engineering Inc: 3.7 months Area Development Inc.: 24.8 months Qse Construction: 7.7 months Thorpe Design Inc: 3.6 months Dajani Construction: 31.7 months K 2 Builders Inc: 21.8 months Terra Nova Industries: 6.3 months Turner Construction Co: 6.5 months G B U Construction Development: 14.4 months Citidev Inc.: 15.2 months The Toboni Group: 5.0 months Bevilacqua & Sons: 13.9 months C B 2 Builders Incorporated: 14.7 months Flmc Development Corp Dba Adamo Campagna: 11.4 months Winder Construction Inc.: 10.6 months Clear Channel Outdoor Llc: 2.2 months Charles Pankow Builders Ltd: 2.0 months Eastwood Development Incorporated: 13.3 months Thompson Suskind L P: 7.6 months Narrowback Construction Co.: 24.1 months Singular Builders: 2.5 months Truebeck Construction: 6.3 months 0 3 6 9 12 15 18 21+ months Axel8 Construction: 13.6 months Sure, Inc.: 9.0 months Ps2 Inc: 5.4 months Halyard Inc: 5.7 months Sft Construction Corp: 5.4 months U S Prime Contractor Inc: 2.8 months S F Garage Company Inc.: 4.0 months Cahill Contractors Llc.: 4.1 months Saarman Construction,Ltd.: 7.8 months Magnum Construction Group Inc: 3.8 months De Brus Construction Inc: 16.3 months Nibbi Bros Assoc Inc.: 5.2 months Level 10 Construction Lp: 3.0 months Aguilera Construction Company: 18.5 months Amone Corp: 7.0 months Sabah International Incorporated: 1.8 months Block 12 Construction: 13.4 months Swinerton Builders: 3.2 months A J O Group Build Inc: 33.6 months Convergint Technologies Llc: 5.8 months Doherty Restoration, Inc.: 29.3 months Nabi Construction & Engineering Inc: 11.2 months Centric Construction Inc: 7.8 months Reliable Construction Inc: 10.0 months Pineda Construction Inc: 10.2 months Landmark Construction Inc.: 2.8 months Build Group Inc.: 3.4 months D.F.P.F Corp Dba Fine Line Construction: 5.1 months Velox Construction Inc/Velox Des & Const: 7.0 months John O'donovan: 17.9 months Mulhall Construction Inc.: 14.0 months Achill Beg Construction Inc: 5.6 months Plant Construction Co, Lp: 8.1 months Pacific Engineering & Construction Inc.: 43.4 months Hathaway Dinwiddie Co.: 7.1 months Rei Build Up Construction Corp: 15.2 months Webcor Construction Lp: 3.6 months Recon 360 Llc: 3.6 months Guzman Construction Group Inc.: 6.7 months L H Construction: 14.0 months Mastec Network Solutions Inc: 6.7 months Ward-Tek Inc.: 13.1 months Cookline Construction Inc: 5.5 months Trim Fit Constr. - O'reilly Engineering: 6.8 months Bobcomm Llc Dba Pacific Das Llc.: 3.0 months Bryan J. Valverde Co: 8.0 months Granite Excavation & Demolition Inc: 4.8 months Cbs Construction Inc.: 5.0 months Sandbank Construction, Inc: 5.5 months Wickman Development And Construction: 13.4 months Pribuss Engineering Inc: 3.7 months Area Development Inc.: 24.8 months Qse Construction: 7.7 months Thorpe Design Inc: 3.6 months Dajani Construction: 31.7 months K 2 Builders Inc: 21.8 months Terra Nova Industries: 6.3 months Turner Construction Co: 6.5 months G B U Construction Development: 14.4 months Citidev Inc.: 15.2 months The Toboni Group: 5.0 months Bevilacqua & Sons: 13.9 months C B 2 Builders Incorporated: 14.7 months Flmc Development Corp Dba Adamo Campagna: 11.4 months Winder Construction Inc.: 10.6 months Clear Channel Outdoor Llc: 2.2 months Charles Pankow Builders Ltd: 2.0 months Eastwood Development Incorporated: 13.3 months Thompson Suskind L P: 7.6 months Narrowback Construction Co.: 24.1 months Singular Builders: 2.5 months Truebeck Construction: 6.3 months

7 firms with medians over 21 months are drawn at the right edge.

Where they rank

Ranked by permits the city has issued since 2018, first across every project type, then for apartments and multifamily alone.

  1. 110 North Bay Construction 90
  2. 111 Strong Builders Construction Inc. 90
  3. 112 Blackline Construction 90
  4. 113 Edenavow Construction & Design 90
  5. 114 Sasso Construction Inc. 89

All permits issued, 226 contractors Full ranking

  1. 61 Bay C T Construction Inc. 49
  2. 62 Ward-Tek Inc. 49
  3. 63 Blackline Construction 49
  4. 64 Hong Wei Construction Inc 47
  5. 65 Mission Home Remodeling Inc 46

Apartments and multifamily issued, 221 contractors

Where they work

The neighborhoods where Blackline Construction files the most permits, and how many contractors count each one among their top 4 neighborhoods.

  1. 01 Mission 86 contractors count Mission among their busiest neighborhoods
  2. 02 South of Market 35 contractors count South of Market among their busiest neighborhoods
  3. 03 Bernal Heights 21 contractors count Bernal Heights among their busiest neighborhoods
  4. 04 Outer Mission 8 contractors count Outer Mission among their busiest neighborhoods

Questions for the first call

  1. Which of your recent San Francisco permits are closest to my project in type, size and neighborhood, and can I see the permit numbers?
  2. How long did those permits take from filing to issue, and what did plan check send back?
  3. Who on your team draws the set, who stamps it, and who answers the city's comments?

Other contractors for apartments and multifamily

Firms ranked near Blackline Construction by permits issued for apartments and multifamily.

  1. 60 Mastec Network Solutions Inc 49 apartments and multifamily issued · 6.7 mo median for apartments and multifamily
  2. 61 Bay C T Construction Inc. 49 apartments and multifamily issued
  3. 62 Ward-Tek Inc. 49 apartments and multifamily issued · 13.1 mo median for apartments and multifamily
  4. 64 Hong Wei Construction Inc 47 apartments and multifamily issued
  5. 65 Mission Home Remodeling Inc 46 apartments and multifamily issued
  6. 66 Allied Teamwork Construction Co 45 apartments and multifamily issued
Sheet
C-112 No. 112 of 226
Drawing
Permit record, Blackline Construction
Contractor, San Francisco
License
783873 check with CSLB
Data as of
Oct 2026
Scale
Not to scale

Built only from public San Francisco Department of Building Inspection records (permits, permit contacts), updated 2026-10-20. It is not a review or an endorsement, and Blackline Construction has not paid to be listed. Project addresses are never shown.

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