Updated: Apr 15, 2026
Location and Projects
Address
3900 ILLONA CT, Auburn, CA, 95602
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Agostini Construction
Based in Auburn, CA, Agostini Construction has been active in the building industry for over three decades. Serving clients throughout the Auburn area, the company focuses on residential construction and remodeling projects. Agostini Construction takes on a variety of home improvement and renovation work, managing tasks that range from kitchen and bathroom remodels to full-scale home additions and updates. With 32 years of experience, the company has developed familiarity with the construction needs of local homeowners and brings an established presence to projects across Placer County. Agostini Construction operates as a general contractor, overseeing all phases of the build process and coordinating with vetted trade professionals to deliver completed homes and improvements in line with each homeowner’s needs and specifications.
Agostini Construction Services
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Agostini Construction Contact Information
Phone Number: (916) 768-7066
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Address: 3900 ILLONA CT, Auburn, CA 95602
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Agostini Construction Auburn
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Agostini Construction has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
4 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Agostini Construction has worked on at least
12.0 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.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
7 projects
|
Home Additions |
|
4 projects
|
Kitchen remodels |
|
3 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Agostini Construction mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
3 projects
|
$20k-$50k |
|
6 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $130,000. This graph shows the distribution of these job values.
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 Agostini Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Expedited - epc - (building exceeds limitations of reconstruction) see also originally issue permit res-2408106 existing first floor 968 sq ft proposed 968 sq ft 36 sq ft porch 2nd floor 532 sq ft solar exempt carbon monoxide & smoke alarms required. reference crc sections r315 & r314 water conserving fixtures are required to be installed throughout this residence per sb 407 (note: r... see more
Valuation:
$300,000
Permit #:
RES-2419609
Status:
final
Fee:
$17,220
Permit Type:
N/A
Building Type:
N/A
Epc - 1st floor 362 sq ft patio cover 2nd floor conditioned space 592 sq ft. added at cycle2: alteration/remodel to 1st floor and the addition of a 2nd floor. the new home will be a 3 bedroom and 3 bathroom residence.replace water supply line to copper replace electrical addition insulation to exterior walls replace all exisiting windows with new windows
Valuation:
$175,000
Permit #:
RES-2424427
Status:
issued
Fee:
$4,393
Permit Type:
N/A
Building Type:
N/A
Epc - addition of second story bedroom and bathroom addition of extra space and bathroom for master bedroom. total of 873 s/f of new conditioned space total of 4 bedrooms when complete. also remodeling of much of the existing dwelling
Valuation:
$180,000
Permit #:
RES-2424306
Status:
expired
Fee:
$886
Permit Type:
N/A
Building Type:
N/A
Epc - remodel of existing kitchen. addition new powder and utility room. remodel existing bedroom & bathroom #2. addition new bathroom (#3) extend entry and master bedroom remodel existing master bathroom. addition: 197 sf. water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt). carbon monoxi... see more
Valuation:
$200,000
Permit #:
RES-2421278
Status:
issued
Fee:
$4,342
Permit Type:
N/A
Building Type:
N/A
Non-structural remodel of the following: upstairs guest bathroom inc replumbing & rewire new fixtures & fan; remodel downstairs master bathroom including replumbing & rewire new fixtures and fans repair non structural damaged framing install new window; remodel existing kitchen update wiring and plumbing as required new fixtures; replace master bedroom window to meet egress requiremen... see more
Valuation:
$45,000
Permit #:
RES-2302236
Status:
final
Fee:
$2,176
Permit Type:
N/A
Building Type:
N/A
Epc - addition of living space to include new family room new dining area new guest\gym new master bedroom new master bathroom and laundry actual square footage: 477 sf first floor 272 sf 2nd floor - total addition 749 sf deck/landing 84 s.f **revision res-2501079 - plans have been revised to show a slab on grade foundation. joist plan has been revised to reflect actual conditions
Valuation:
$130,000
Permit #:
RES-2413161
Status:
final
Fee:
$4,178
Permit Type:
N/A
Building Type:
N/A
Epc - construct additions of: 50-sqft to 1st floor living space; 398-sqft to 2nd floor living space; 29-sqft to garage; and 140-sqft patio creating 3 additional bedrooms laundry room and new bathroom at upper level. interior remodel of 1st level to include kitchen and bathroom remodel. perform minor scope repairs as listed #1 through 15 on cover sheet to include hvac c/o masterbath re... see more
Valuation:
$360,000
Permit #:
RES-2118566
Status:
final
Fee:
$6,420
Permit Type:
N/A
Building Type:
N/A
Residential: full review - new home - less than 3, 000 sq ft and below 5, 000 ft elevation
2024-09-17
R-3 **paper submittal** vb addition/remodel living addition: 711 sq.ft turning one bedrooom into office adding one new bedroom - total of 3 sra moderate - no wui required based on scope of work non-sprinkled new mini-split in new living area mpu from 100a to 200a ---------------------------------------------------------------------------------------------------------------------- 10/1... see more
Valuation:
$118,040
Permit #:
BLD22-05058
Status:
complete
Fee:
$2,167
Permit Type:
Addition
Building Type:
N/A
Epc - 632 sq ft addition relocate kitchen and addition bedroom remove and replace 37 sq comparable roofing like for like finishes carbon monoxide & smoke alarms required. reference crc sections r315 & r314. “water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt).”
Valuation:
$185,000
Permit #:
RES-2101150
Status:
final
Fee:
$3,912
Permit Type:
N/A
Building Type:
N/A
Epc - 400 sq ft attached adu 1 bed 1 bathroom to existing detached garage. carbon monoxide & smoke alarms required. reference crc sections r315 & r314 water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt).”
Valuation:
$80,000
Permit #:
RES-2118548
Status:
final
Fee:
$2,855
Permit Type:
N/A
Building Type:
N/A
Legalize 691 sf existing non-confirmed structure (garage)
Valuation:
N/A
Permit #:
READ25-03329
Status:
filed
Fee:
$502
Permit Type:
Detached garage
Building Type:
N/A
Concurrent review- remove 113 sf of existing house to make room for 478 sf addition to addition new master suite. addition of 266 sf deck. no remodel outside of addition area. ( cycle 2 -french doors and electrical work removed from garage scope of work) carbon monoxide & smoke alarms required. reference crc sections r315 & r314 water conserving fixtures are required to be installed t... see more
Valuation:
$75,000
Permit #:
RES-2000507
Status:
final
Fee:
$3,389
Permit Type:
N/A
Building Type:
N/A
Residential: full review - additions adu accessory structures pools remodel demolish generators and
2024-01-23
U type const vb garage addition----------------- 336 sf covered porch addition--- 298 sf placer county fire protection district defensible space required sra moderate no wui required not changing all siding windows and roofing single family dwelling built 1977
Valuation:
$33,634
Permit #:
BLD24-00096
Status:
issued
Fee:
$1,463
Permit Type:
Addition
Building Type:
N/A
Residential: full review - new home - less than 3, 000 sq ft and below 5, 000 ft elevation
2018-08-14
New single family dwelling (r-3 u attached) 3ea. bedrooms 2ea. bathrooms main level------------------------------------------------------------------------2871 sqft garage-----------------------------------------------------------------------------1101 sqft covered deck-------------------------------------------------------------------573 sqft deck-----------------------------------... see more
Valuation:
$410,538
Permit #:
BLD18-03794
Status:
complete
Fee:
$16,551
Permit Type:
New
Building Type:
N/A
Epc - shared plans w res-2008552 : 196sf master bedroom addition to single family residence. addition of 83sf porch. remodel to include new bathroom and closet relocate utilities for pool
Valuation:
$80,000
Permit #:
RES-2008551
Status:
final
Fee:
$2,092
Permit Type:
N/A
Building Type:
N/A
Full kitchen remodel cabinets counter tops electrical lighting fixtures appliances bathroom addition within the existing foot print. infill (3) windows c/o (3) windows. carbon monoxide & smoke alarms required. reference crc sections r315 & r314 water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are e... see more
Valuation:
$65,000
Permit #:
RES-1917973
Status:
final
Fee:
$1,533
Permit Type:
N/A
Building Type:
N/A
Residential/single-family/duplex - change order
2024-10-22
Ch-01 scope changed to include kitchen relocate remodel laundry remodel sitting area remodel
Valuation:
N/A
Permit #:
CBNR2022-00172-01
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Epc - shared plans w res-2008551: 334sf addition to detached garage (27sf for addition garage space 307sf playroom)
Valuation:
$40,000
Permit #:
RES-2008552
Status:
final
Fee:
$1,290
Permit Type:
N/A
Building Type:
N/A
Building addition adu deck patio cover garage barn ground mount solar light pole masonry wall
2024-01-03
Lc 3-28-2022 infill (e) covered patio as new bedroom interior remodel of living room ch-01 scope changed to include kitchen relocate remodel laundry remodel sitting area remodel
Valuation:
$38,000
Permit #:
CBNR2022-00172
Status:
triage
Fee:
$3,258
Permit Type:
N/A
Building Type:
N/A
Demolish garage 320 sq. ft. for future adu
Valuation:
$1,500
Permit #:
RES-2213247
Status:
final
Fee:
$236
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Agostini Construction License info
Verified License
| License # | 883492 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Agostini Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 340743 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Agostini Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
30
Permits
- Building permit records show that Agostini Construction has worked on 30 permitted projects.
Agostini Construction Employees
JA
Jean B Agostini
Sole Owner
SA
Sebastien Guy Agostini
Owner