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Location and Projects

Address
P O BOX 404, South San Francisco, CA, 94083
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Polytech Construction Engineer

Polytech Construction, S San, Po Box 404, South San Francisco, CA (Owned by: Weiquan Tan) holds a General Building, Electrical, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Fire Protection, General Engineering license and 2 other licenses according to the California license board.

Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Polytech Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Polytech Construction Services

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Polytech Construction Contact Information

Phone: (415) 238-2290 Edit
Address: P O BOX 404, South San Francisco, CA 94083 Edit

Polytech Construction South San Francisco

Quality

107
94th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Polytech Construction has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.

Activity

7 projects
2025
4 projects
2024
10 projects
2023
Our building permit records indicate that Polytech Construction has worked on at least 21.0 projects over the past 3 years.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Experience

4 projects
Home Additions
Analyzing permits over the last 4 years shows that Polytech Construction mostly works on home addition projects.

Pricing

3 projects
< $5k
2 projects
$5k-$20k
1 project
$20k-$50k
2 projects
$250k-$500k
1 project
$500k-$1mil
Value Not Public: 13.0 projects
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Polytech Construction

Sort by: Notable Notable | Date Date | Job Value Job Value
(1) interior renovation and conversion of existing senior care facility with 9 bedrooms and 3.5 bathrooms into a single-family home of 4 bedrooms and 4 bathrooms. (2) relocate interior staircase (3) extend garage at the ground floor to fit 2 cars tandem. (4) replace windows and interior doors
Valuation:
$602,156
Permit #:
202401194329
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Public works - encroachment permits (general construction)
2025-01-09
Remove and replace 120sf of sidewalk 1lf of curb and gutter 2 curb ramps 425sf of air conditioning crosswalk striping at flores and 26th and street striping on 26th pl. revision 1 (4/19/24): updated construction drawings approved by jason hallare. (approved)
Valuation:
N/A
Permit #:
EP-2023-001406
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel of extg blding. revision to app#201811135638 & 2019-0412-7847. for partition wall relocation. introduction of additional sheerwalls
Valuation:
$300,000
Permit #:
201905170968
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Vertical addition to an existing 2-story single family house with complete interior renovation. three new bathrooms two new roof deck and one new bedroom
Valuation:
$350,000
Permit #:
201610241031
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install new electrical for the entire building w 4 full bathroom 1 wet bar & 4 full bathroom and all other living & bedroom. upgrade of main panel from 100 amp to 200 amp
Valuation:
N/A
Permit #:
E202409307171
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Complete remodel unit 5 and 9 with one livingroom, one bathroom one kitchen in each unit. new sheetrock paint floor. this related to comply w/nov 202173669: fire damage remodel
Valuation:
$80,000
Permit #:
202111172637
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Multi-family (alter/repair) - alter
2019-01-08
Historic structure : renovation of (e) multi-family (approx. 3000 sf) no addition demolish of (e) interior walls doors plumbing fixtures and casework (n) partition walls plumbing fixtures (n) interior finishes throughout restore or replace (e) exterior architectural elements [pa-2015-0080] f1: fire sprinkler for full system (51) heads. (issued 1/12/17). fs-2017-261155 r1: changing win... see more
Valuation:
$357,000
Permit #:
BD-2016-257750
Status:
final
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Addition alter residence
2025-10-19
Convert (e) basement to living area alter attach deck & lighting
Valuation:
N/A
Permit #:
BP25-00138
Status:
issued
Fee:
N/A
Permit Type:
Remodel/add
Building Type:
N/A
Addition a food prep area to an (e) tenant space the new food prep area is carved out rom the storage area (1) 3- comparable sink 2 warm tables, ss prep-table 1 hand sink
Valuation:
$32,000
Permit #:
202206106068
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
G/f -add 2 new group housing dwelling units and common kitchen to replace 2 garages. separate sprinkler permit. maher n/a
Valuation:
$115,000
Permit #:
201712217176
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
1. all new 3 comparable sink with 7 gallon grease trap. new sewer hot and cold water. 2. all 2x50 amp plugs 4x120v receptacles. relocate a subpanel
Valuation:
$40,000
Permit #:
202205113978
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
Mep upgrade plans: mechanical electrical and plumbing upgrades to entire building. ref pa #201804045454. maher na
Valuation:
$75,000
Permit #:
201810304558
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Install new underground sewer & new plumbing work for total of one kitchen. one wet bar & 4 full bathrooms. w 4 shower pans
Valuation:
N/A
Permit #:
PP20240930224
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate the interior of an (e) ground floor garage & storage space to owner operated wholesale bagel manafacturing facility. no retail sale services or public access. ** maher: n/a **
Valuation:
$350,000
Permit #:
201710242067
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
16 - manufacturing
Unit d: replace new set of furnace with plan under building permit #2022-0610-6068 & pm20220912974
Valuation:
$6,000
Permit #:
202210265163
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Work category: 2pa; remodeling a new kitchen with all new plumbing pipe relocation for one new kitchen sink stove ref & dw
Valuation:
N/A
Permit #:
PW20241122354
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General remodel of 2 apartments (#1 & #2) and 10 group housing sleeping rooms. remodel 3 kitchens. addition kitchenettes at 10 group housing sleeping rooms addition 19 bathrooms. alarm sprinkler (nfpa-13) standpipe deferred
Valuation:
$525,000
Permit #:
201804045454
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Addition alter residence
2025-08-19
Add/alt main residence 7731 sf
Valuation:
N/A
Permit #:
BP24-00917
Status:
issued
Fee:
N/A
Permit Type:
Remodel/add
Building Type:
N/A
Replace entire house windows. total of 33 pcs. to (30) replace alum-clad window with same opening on all elevation
Valuation:
$14,000
Permit #:
202211156498
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
New acc str
2025-10-19
New detached garage 441sf
Valuation:
N/A
Permit #:
BP25-00139
Status:
issued
Fee:
N/A
Permit Type:
Detached garage
Building Type:
N/A

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