{
"city": "San Francisco",
"kind_of_work": "ADU builders",
"counts": "city permits",
"dates": "September 2021 to September 2026",
"updated": "2026-09-24",
"license_check": "state license board",
"method": "https://contractors.fyi/about",
"contractors": [
{
"rank": 1,
"name": "Reliable Construction Inc",
"license": "983658",
"jobs": 11,
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{
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"license": "674707",
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"94115"
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{
"rank": 3,
"name": "S L M Development Inc.",
"license": "841898",
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"94123"
],
"profile": "https://contractors.fyi/san-francisco/contractor/s-l-m-development-inc-841898"
},
{
"rank": 4,
"name": "Block 12 Construction",
"license": "1033146",
"jobs": 5,
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"94115"
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"profile": "https://contractors.fyi/san-francisco/contractor/block-12-construction-1033146"
},
{
"rank": 5,
"name": "Maxg Construction Inc (maxwell M Ghobadi",
"license": "1079580",
"jobs": 5,
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"94124"
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"profile": "https://contractors.fyi/san-francisco/contractor/maxg-construction-inc-maxwell-m-ghobadi-1079580"
},
{
"rank": 6,
"name": "O Donoghue Construction Inc.",
"license": "917704",
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"94131"
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"profile": "https://contractors.fyi/san-francisco/contractor/o-donoghue-construction-inc-917704"
},
{
"rank": 7,
"name": "R Group, Inc",
"license": "837354",
"jobs": 5,
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"94110"
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"profile": "https://contractors.fyi/san-francisco/contractor/r-group-inc-837354"
},
{
"rank": 8,
"name": "Wynn L Builders Inc.",
"license": "1076368",
"jobs": 5,
"typical_job_value": 150000.0,
"most_work_in": [
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"94132"
],
"profile": "https://contractors.fyi/san-francisco/contractor/wynn-l-builders-inc-1076368"
},
{
"rank": 9,
"name": "Associated Builders",
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"jobs": 4,
"typical_job_value": 65000.0,
"most_work_in": [
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"94117"
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"profile": "https://contractors.fyi/san-francisco/contractor/associated-builders-751098"
},
{
"rank": 10,
"name": "Bay C T Construction Inc.",
"license": "922224",
"jobs": 4,
"typical_job_value": 48000.0,
"most_work_in": [
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"94133"
],
"profile": "https://contractors.fyi/san-francisco/contractor/bay-c-t-construction-inc-922224"
},
{
"rank": 11,
"name": "L H Construction",
"license": "758684",
"jobs": 4,
"typical_job_value": 118848.0,
"most_work_in": [
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],
"profile": "https://contractors.fyi/san-francisco/contractor/l-h-construction-758684"
},
{
"rank": 12,
"name": "Wickman Development and Construction",
"license": "970768",
"jobs": 4,
"typical_job_value": 89350.0,
"most_work_in": [
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"profile": "https://contractors.fyi/san-francisco/contractor/wickman-development-and-construction-970768"
},
{
"rank": 13,
"name": "Winder Construction Inc.",
"license": "1033654",
"jobs": 4,
"typical_job_value": 125000.0,
"most_work_in": [
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"94110"
],
"profile": "https://contractors.fyi/san-francisco/contractor/winder-construction-inc-1033654"
},
{
"rank": 14,
"name": "Ace Drilling & Excavation",
"license": "889820",
"jobs": 3,
"typical_job_value": 10000.0,
"most_work_in": [
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"profile": "https://contractors.fyi/san-francisco/contractor/ace-drilling-excavation-889820"
},
{
"rank": 15,
"name": "Area Development Inc.",
"license": "490920",
"jobs": 3,
"typical_job_value": 150000.0,
"most_work_in": [
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"94124"
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"profile": "https://contractors.fyi/san-francisco/contractor/area-development-inc-490920"
},
{
"rank": 16,
"name": "Axel8 Construction",
"license": "1045139",
"jobs": 3,
"typical_job_value": 101500.0,
"most_work_in": [
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"profile": "https://contractors.fyi/san-francisco/contractor/axel8-construction-1045139"
},
{
"rank": 17,
"name": "Cabrillo Construction Co. Inc.",
"license": "812310",
"jobs": 3,
"typical_job_value": 1200000.0,
"most_work_in": [
"94112"
],
"profile": "https://contractors.fyi/san-francisco/contractor/cabrillo-construction-co-inc-812310"
},
{
"rank": 18,
"name": "Cbs Construction Inc.",
"license": "955448",
"jobs": 3,
"typical_job_value": 65000.0,
"most_work_in": [
"94124",
"94103"
],
"profile": "https://contractors.fyi/san-francisco/contractor/cbs-construction-inc-955448"
},
{
"rank": 19,
"name": "Cht Properties Development",
"license": "812058",
"jobs": 3,
"typical_job_value": 20000.0,
"most_work_in": [
"94124",
"94116"
],
"profile": "https://contractors.fyi/san-francisco/contractor/cht-properties-development-812058"
},
{
"rank": 20,
"name": "Construction Unlimited",
"license": "584768",
"jobs": 3,
"typical_job_value": 150000.0,
"most_work_in": [
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"profile": "https://contractors.fyi/san-francisco/contractor/construction-unlimited-584768"
},
{
"rank": 21,
"name": "Custom Construction Enterprises",
"license": "830244",
"jobs": 3,
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"most_work_in": [
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"94118"
],
"profile": "https://contractors.fyi/san-francisco/contractor/custom-construction-enterprises-830244"
},
{
"rank": 22,
"name": "D3 Construction",
"license": "672385",
"jobs": 3,
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"most_work_in": [
"94122",
"94127"
],
"profile": "https://contractors.fyi/san-francisco/contractor/d3-construction-672385"
},
{
"rank": 23,
"name": "De Brus Construction Inc",
"license": "1008313",
"jobs": 3,
"typical_job_value": 100000.0,
"most_work_in": [
"94116",
"94109"
],
"profile": "https://contractors.fyi/san-francisco/contractor/de-brus-construction-inc-1008313"
},
{
"rank": 24,
"name": "Golden State Marble and Construction Inc",
"license": "1126723",
"jobs": 3,
"typical_job_value": 100000.0,
"most_work_in": [
"94115",
"94112"
],
"profile": "https://contractors.fyi/san-francisco/contractor/golden-state-marble-and-construction-inc-1126723"
},
{
"rank": 25,
"name": "H D Construction Company",
"license": "1004201",
"jobs": 3,
"typical_job_value": 115000.0,
"most_work_in": [
"94116",
"94133"
],
"profile": "https://contractors.fyi/san-francisco/contractor/h-d-construction-company-710544"
},
{
"rank": 26,
"name": "Hang C Construction Inc",
"license": "760153",
"jobs": 3,
"typical_job_value": 133000.0,
"most_work_in": [
"94112",
"94109"
],
"profile": "https://contractors.fyi/san-francisco/contractor/hang-c-construction-inc-760153"
},
{
"rank": 27,
"name": "Hong's General Construction Inc",
"license": "995123",
"jobs": 3,
"typical_job_value": 80000.0,
"most_work_in": [
"94116",
"94131"
],
"profile": "https://contractors.fyi/san-francisco/contractor/hong-s-general-construction-inc-995123"
},
{
"rank": 28,
"name": "L E C A Construction Llc",
"license": "974597",
"jobs": 3,
"typical_job_value": 150000.0,
"most_work_in": [
"94109",
"94122"
],
"profile": "https://contractors.fyi/san-francisco/contractor/l-e-c-a-construction-llc-974597"
},
{
"rank": 29,
"name": "Perez Construction Llc.",
"license": "1024474",
"jobs": 3,
"typical_job_value": 150000.0,
"most_work_in": [
"94114",
"94133"
],
"profile": "https://contractors.fyi/san-francisco/contractor/perez-construction-llc-1024474"
},
{
"rank": 30,
"name": "Rohan Wallace & Aherne Inc",
"license": "759461",
"jobs": 3,
"typical_job_value": 100000.0,
"most_work_in": [
"94118",
"94114"
],
"profile": "https://contractors.fyi/san-francisco/contractor/rohan-wallace-aherne-inc-759461"
},
{
"rank": 31,
"name": "Sandbank Construction, Inc",
"license": "893993",
"jobs": 3,
"typical_job_value": 210000.0,
"most_work_in": [
"94108",
"94115"
],
"profile": "https://contractors.fyi/san-francisco/contractor/sandbank-construction-inc-893993"
},
{
"rank": 32,
"name": "Synerforce Construction",
"license": "1004962",
"jobs": 3,
"typical_job_value": 60000.0,
"most_work_in": [
"94116",
"94122"
],
"profile": "https://contractors.fyi/san-francisco/contractor/synerforce-construction-1004962"
},
{
"rank": 33,
"name": "The Toboni Group",
"license": "766215",
"jobs": 3,
"typical_job_value": 900000.0,
"most_work_in": [
"94127",
"94131"
],
"profile": "https://contractors.fyi/san-francisco/contractor/the-toboni-group-766215"
},
{
"rank": 34,
"name": "Wing On Construction Inc",
"license": "949206",
"jobs": 3,
"typical_job_value": 70000.0,
"most_work_in": [
"94134"
],
"profile": "https://contractors.fyi/san-francisco/contractor/wing-on-construction-inc-949206"
},
{
"rank": 35,
"name": "Yefa Construction Inc",
"license": "1047719",
"jobs": 3,
"typical_job_value": 50000.0,
"most_work_in": [
"94112",
"94114"
],
"profile": "https://contractors.fyi/san-francisco/contractor/yefa-construction-inc-1047719"
}
],
"cost": {
"n": 869,
"median": 80000,
"p25": 40000,
"p75": 180000,
"what": "job value stated on the city permit, US dollars; not the price paid",
"page": "https://contractors.fyi/san-francisco/adu/cost/",
"basis": "permits issued",
"dates": [
"2021-09-29",
"2026-09-23"
],
"min_value": 1000,
"by_year": {
"2021 (September to December)": {
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"median": 80000,
"p25": 35000,
"p75": 150000
},
"2022": {
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"median": 76500,
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},
"2023": {
"n": 153,
"median": 92500,
"p25": 40000,
"p75": 186500
},
"2024": {
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"median": 95750,
"p25": 40000,
"p75": 198842
},
"2025": {
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"median": 80000,
"p25": 33750,
"p75": 139938
},
"2026 (January to September)": {
"n": 135,
"median": 100000,
"p25": 50000,
"p75": 254000
}
},
"by_zip": {
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"median": 80000,
"p25": 35000,
"p75": 150000
},
"94110": {
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"median": 100000,
"p25": 50000,
"p75": 177500
},
"94122": {
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"median": 80000,
"p25": 50000,
"p75": 193778
},
"94124": {
"n": 67,
"median": 50000,
"p25": 30000,
"p75": 150000
},
"94114": {
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"median": 101000,
"p25": 40000,
"p75": 363878
},
"94134": {
"n": 54,
"median": 58000,
"p25": 25000,
"p75": 98750
},
"94116": {
"n": 53,
"median": 88900,
"p25": 42000,
"p75": 150000
},
"94121": {
"n": 44,
"median": 129054,
"p25": 57500,
"p75": 188750
},
"94117": {
"n": 41,
"median": 75000,
"p25": 24000,
"p75": 150000
},
"94118": {
"n": 37,
"median": 100000,
"p25": 40000,
"p75": 145000
},
"94115": {
"n": 30,
"median": 87000,
"p25": 36250,
"p75": 184424
},
"94131": {
"n": 30,
"median": 150000,
"p25": 62500,
"p75": 425000
}
},
"by_area": {}
},
"timeline": {
"page": "https://contractors.fyi/san-francisco/adu/timeline/",
"apply_to_issue": {
"median_days": 219,
"p25_days": 100,
"p75_days": 731,
"n": 365,
"issued_from": "2024-09-24",
"issued_to": "2026-09-23",
"no_application_date": 1,
"same_day_share": 0.063,
"within_30_days_share": 0.148,
"by_issue_year": {
"2022": {
"median_days": 678,
"p25_days": 282,
"p75_days": 798,
"n": 70
},
"2023": {
"median_days": 540,
"p25_days": 248,
"p75_days": 898,
"n": 181
},
"2024": {
"median_days": 456,
"p25_days": 234,
"p75_days": 818,
"n": 207
},
"2025": {
"median_days": 211,
"p25_days": 82,
"p75_days": 642,
"n": 155
},
"2026": {
"median_days": 202,
"p25_days": 116,
"p75_days": 625,
"n": 154
}
}
},
"issue_to_final": {
"median_days": 456,
"p25_days": 256,
"p75_days": 657,
"n": 207,
"permits_issued": 402,
"share_not_finished": 0.485,
"issued_from": "2022-09-26",
"issued_to": "2024-09-19",
"finished_by": "2026-09-24",
"within_90_days_share": 0.024,
"survivor_note": "Median of finished jobs only; jobs with no final on record are left out of it and counted in share_not_finished."
},
"source": {
"name": "San Francisco Building, Electrical and Plumbing Permits (data.sf.gov i98e-djp9, ftty-kx6y, a6aw-rudh)",
"url": "https://data.sf.gov/d/i98e-djp9",
"fields": "filed_date, issued_date, completed_date"
},
"read": "2026-09-24"
}
}