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Avatar for IVP Design Studio
IVP Design Studio
5.0(
9
)
Architect

Serving Napa, CA and surrounding areas

Approved

In business since 1990

Small jobs welcome

Customers say: Quick response

"We have an office space below our home with a storage space next door to it. We wanted to install a bathroom in that empty storage space to, hopefully, make both rooms into a small inlaw unit. But first, we needed a designer. Someone in the construction industry recommended Igino Pellizzarri for the job. We called him and he responded quickly. My husband is very hands-on and wanted Igino to help guide his vision and create a full bathroom that would look great without breaking the bank. Igino was very accommodating; he gave us several design options and even showed us what a full expansion of the area would look like if we chose to build the space out for an ADU. He also supplied 3D drawings of the space to give us a better idea of the outcome. He was always ready to answer questions, and took care of getting all permits from the county for us. Igino is easy to work with and has an engaging personality. Give him a call!"
Novato Contemporary
Novato Contemporary
Novato Tuscan
Tuscan Hillside
East Bay Spanish

+21

Response time7 hrs
Response rate88%
1 neighbors recently requested a quote
Avatar for Team2 Architecture + Design
Team2 Architecture + Design
4.5(
25
)
ArchitectArchitect - For BusinessDraftsperson/CADD

Serving Napa, CA and surrounding areas

Approved

In business since 1997

Small jobs welcome

Offers commercial services

"Shilpa working with her structural engineer completed all the architectural and structural plans and calculations for a 400SF single story addition, complete with drilled piers and grade beams, in just over two months for submittal to City for review. Shilpa is very easy to work with and is quite readily available to fit my work and project schedule. Shilpa is very responsive to my comments and timely completion of required documents. Cost is reasonable. City has few review comments and issued permit for construction. I would definitely retain Shilpa again when the need comes up."
Response time1 day
Recommended by72%of homeowners
Avatar for Ogle Design
Ogle Design
4.9(
8
)
Architect - For Business

Serving Napa, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"It was such a great experience working with Will and his team at Ogle Designs. They helped us design a blueprint for creating additions to our house including designs for the inside and patio/landscape design We so impressed with Ogle Design's high level of professionalism, expertise and overall delivery of our project. They completed everything on time and within budget! Thanks for your excellent service."
Modern Deck
Modern Deck 2
Exterior Contemporary
Kitchen Island
Living Room

+14

Response time2 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Evolution Drafting
Evolution Drafting
3.6(
117
)
ArchitectDraftsperson/CADDArchitect - For Business

Serving Napa, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"They were excellent. They quickly made a draft that only needed 3 minor adjustments. The final product was exactly what I needed. They referred me to a structural engineer for review. The whole process took half of the time that they initially estimated. I would definitely use them again."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
56 neighbors recently requested a quote
Avatar for Hogan Land Services, Inc.
Hogan Land Services, Inc.
4.0(
38
)
Draftsperson/CADD

Serving Napa, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Due to a large crack in my ceiling, I thought I might have a structural issue. Hogan Land Services was prompt in sending someone out to take a look at the issue. After a quick inspection of the attic and crawl space, they determined there were no structural issues. Therefore, there was no need for a structural engineer. Here we are a couple years later and doors are not lined up, the crack in the ceiling continues to get longer and wider, and more cracks in the ceiling and walls. Hogan Land Services was quick to reply to my concerns, giving more information on what could be causing the issues I'm experiencing and what route to take to alleviate the issues."
High above the clouds
Costal work
Septic system
Soil evaluation
Hogan Projects

+6

Response time4 days
15 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for M. Holz Design Studio
M. Holz Design Studio
5.0(
5
)
Draftsperson/CADD

Serving Napa, CA and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"Mary helped me with a new barn/adu design and also a second dwelling design. Sheâ s so easy to work with and made the process easy and streamlined. I highly recommend her!"
Front Entry
Back Deck
Dining Room
Main Residence and Barn
Kitchen

+20

Response time1 day
Response rate98%
Recommended by75%of homeowners
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Structural Engineering questions, answered by experts

Homeowners in Napa often underestimate the time and detail required for permit approval, especially with strict seismic and wildfire safety codes. Many overlook the importance of obtaining geotechnical and soil stability reports for hillside or clay-rich properties. Planning for fire-resistant upgrades, earthquake retrofitting, and utility coordination—such as ensuring safe power line clearances—are frequently missed steps that can delay or complicate structural engineering projects.

Helpful?

When planning structural engineering in Napa, consider the area’s high seismic risk and wildfire exposure, particularly in Wildland-Urban Interface zones. Hillside development may require specialized foundations for soil stability. Historic district guidelines and agricultural preserve restrictions can limit modifications. Water conservation rules and tourism-driven safety standards also impact project design, so review all local requirements and site-specific conditions before starting your structural engineering work.

Helpful?

In Napa, a property’s current condition—such as foundation type, hillside placement, and soil composition—directly influences engineering decisions. Older homes may require extensive earthquake retrofitting, while hillside sites often need retaining walls or specialized foundations for soil stability. Previous wildfire damage or historic status adds unique requirements. Limited access, proximity to utilities, and the presence of wine production facilities also affect the approach to structural upgrades.

Helpful?

Signs of quality structural engineering in Napa include completed permits, detailed inspection records, and documentation of earthquake retrofitting. Look for stamped plans from a licensed engineer, use of fire-resistant and moisture-barrier materials, and references to site-specific soil reports. Final inspection approvals and visible upgrades—such as reinforced foundations or hillside retaining walls—demonstrate that all safety standards and local requirements were met.

Helpful?

Structural engineering in Napa homes addresses earthquake vulnerability, particularly for older properties needing earthquake retrofitting. It also resolves hillside stability concerns, foundation settlement from expansive clay soils, and repairs after wildfire damage. For wine country homes, structural upgrades ensure safe wine cellar storage and support for heavy loads. Deck and balcony safety, as well as modernizing aging infrastructure, are common issues solved through professional engineering.

Helpful?

The Napa, CA homeowners’ guide to structural engineering services

From average costs to expert advice, get all the answers you need to get your job done.