375 S 40th St, Boulder, CO 80305 Property Records

Boulder County property record for 375 S 40th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	6 bd · 2.75 ba · 2,690 sqft · built 1956
Lot Size	0.159 acres (6,938 sqft)
Owner	2 Company Names on Record
Last Sale	$1,175,000 (Apr 2026)
Tax Bill	$6,337 (2025)
Deeds & Mortgages	Apr 2026 Sale & Mortgage Mar 2021 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-22-031`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-22-031`
Alternative APNs	`R0012823` `0012823`

Interior

Bedrooms	6 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,690 sqft Living Area
Gross Area	2,800 sqft
1st Floor Area	1,400 sqft
Basement Area	1,400 sqft
Finished Basement	1,290 sqft
Unfinished Basement	110 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 2001
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,938 sqft (0.159 acres)
Garage Type	Carport
Garage Area	288 sqft
Carport	Carport
Carport Area	288 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	250 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0012823
Street Address	375 S 40TH ST
City	BOULDER
State	CO
Zip	80305-5417
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 31 BLK 5 MARTIN ACRES 2
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	MARTIN ACRES 2 - BO
Legal Block	5
Legal Lot Number	31
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3006
Census Tract	12507

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	375 S 40TH ST, BOULDER, CO 80305-5417
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 27, 2026	Warranty Deed, Transfer · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORPORATION
Mar 2, 2021	Special Warranty Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Aug 12, 2019	Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU
Apr 12, 2019	Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU
Feb 16, 2018	Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 27, 2026 · Amount on Record
Deed Sale	Apr 27, 2026 · Amount on Record
Prior Sale	Mar 2, 2021 · Amount on Record
Deed Document Number	20264129302
Prior Transfer Date	Jul 9, 2004
Prior Transfer Doc	0002620095
Record Updated	Oct 29, 2026

April 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 27, 2026
Property Address	375 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0004129302
Instrument Date	Apr 24, 2026
Instrument	2026.4129302
Transaction Type	Transfer
Record Updated	May 6, 2026
Title Company	LAND TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$11,867.50
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	375 S 40TH ST, BOULDER, CO 80305-5417

Mortgage

Document Number	0004129303,
Date	Apr 27, 2026
Instrument	2026..4129303

Lender

Name	FAIRWAY INDEPENDENT MORTGAGE CORPORATION

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.11%
Initial Type	Fixed Rate
Max Rate	-1%

March 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 2, 2021
Property Address	375 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0003863621
Instrument Date	Feb 19, 2021
Instrument	3863621
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	FIRST AMERICAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$95.25
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	375 S 40TH ST, BOULDER, CO 80305-5417

Mortgage

Document Number	0003863622
Date	Mar 2, 2021
Instrument	3863622

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2051

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	375 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0003730687
Instrument Date	Aug 12, 2019
Transaction Type	Mortgage
Record Updated	Aug 26, 2019
Title Company	LAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	375 S 40TH ST BOULDER CO 803055417, BOULDER, CO 80305-5417

Mortgage

Document Number	0003730687
Date	Aug 16, 2019
Instrument	3730687

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 15, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.37%

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	375 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0003707593
Instrument Date	Apr 12, 2019
Transaction Type	Mortgage
Record Updated	Apr 23, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	375 S 40TH ST BOULDER CO 803055417, BOULDER, CO 80305-5417

Mortgage

Document Number	0003707593
Date	Apr 17, 2019
Instrument	3707593

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Apr 16, 2039

Interest

Rate Type	Adjustable Rate

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	375 S 40TH ST, BOULDER, CO 80305-5417
Document Number	0003641694
Instrument Date	Feb 16, 2018
Transaction Type	Mortgage
Record Updated	Mar 1, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	375 S 40TH ST BOULDER CO 803055417, BOULDER, CO 80305-5417

Mortgage

Document Number	0003641694
Date	Feb 22, 2018
Instrument	3641694

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Feb 21, 2038

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$67,551 (+1.64%) Land $32,613 Building $34,938	$1,063,400 (-) Land $549,600 Building $513,800
2025	$6,337.00 (+0.41%)	$66,463 (-11.96%) Land $34,350 Building $32,113	$1,063,400 (-5.63%) Land $549,600 Building $513,800
2024	$6,311.00 (+1.77%)
2023	$6,201.00 (+21.37%)	$75,496 (+37.23%) Land $40,247 Building $35,249	$1,126,800 (+42.34%) Land $600,700 Building $526,100
2022	$5,109.00	$55,016 Land $29,850 Building $25,166	$791,600 Land $429,500 Building $362,100

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	7 (1979–2022)
Claims Outside the SFHA	5 of 7
Most Recent Claim	Jul 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 678 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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